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The Bootleg Fire rages across central Oregon state, in Klamath County, Oregon, in this July 13, 2021 picture obtained from social media.
Oregon State Fire Marshal | via Reuters

Air quality in the United States and Europe improved over the last decade thanks to stricter environmental regulations, but intensifying wildfires raise new air pollution concerns.

The National Interagency Fire Center reported that, as of August 8, there were 107 large active fires that had burned more than 2.2 million acres domestically across 15 states so far this year. In Europe, wildfires in Greece and Turkey are raging amid record heat waves now as well.

As a result, more people are turning to mobile apps to understand when air quality is better or worse, wherever they may be. These apps use a mix of data from government-operated satellites, or weather, fire and ambient air quality stations, as well as sensors and systems run by private sector entities. Some are even crowdsourced from relatively affordable air quality sensors sold by companies such as PurpleAir and IQAir.

Air quality apps

According to senior mobile insights analyst Jonathan Briskman of Sensor Tower, the top-rated apps for outdoor air quality monitoring in the U.S. between January 2020 and July 2021 have been: AirCare, AirVisual, and South Coast AQMD, based on ratings from the App Store, and Google Play.

The AirCare app shows air pollution, active fires, wind conditions and pollen levels on a map.
CNBC

Here’s what those three apps do:

  • AirCare, made by developers in Northern Macedonia, is available for iOS and Android mobile devices, including iPhones, iPads, Apple Watch and Huawei smartphones, among many others. Tiers include a free, ad-supported version, a 99 cents ad-free version, and at the premium level, a $14.99 annual subscription for a pro-version. The app includes kid-friendly air pollution information, charts and maps that show pollutant levels derived from government-run sensors and stations, alongside volunteers’ PurpleAir and other sensors throughout the U.S., Europe and Australia. In some major metro areas, the app also tracks ultra-violet and pollen levels.
  • AirVisual, made by the Swiss air quality company IQAir, tracks air pollution in more than 10,000 cities and 80 countries drawing on data from tens of thousands of sensors, some positioned at U.S. embassies overseas. The company’s free mobile apps are also ad-free and available for iOS and Android devices. Besides real-time maps that show levels of six different types of major pollutants, IQAir’s AirVisual and mobile website provide seven-day air pollution and weather forecasts, along with air pollution-related news and health information. The apps can pair with the company’s own sensors, including the portable AirVisual Pro sold for around $269.
  • South Coast AQMD, is a free and ad-free app run by the local air pollution agency in Southern California of the same name and tracks air pollution across Orange County, Los Angeles, Riverside and San Bernardino, specifically. It features real-time and forecasted air quality and weather conditions, and maps that show where drivers can charge their electric vehicles or find other non-traditional fueling stations. It also includes information about upcoming local events and political hearings related to air quality issues to encourage community participation. The app is available in both English and Spanish for Apple and Android devices.
The South Coast AQMD app shows air pollution levels in Greater Los Angeles.
CNBC

The five most popular air quality apps in the U.S., based on installs since the start of 2020, according to Sensor Tower included two of those top-rated apps, AirVisual (from IQ Air) and Air Care, as well as the U.S. Environmental Protection Agency’s app AirNow, an app from venture-backed startup Breezometer that shows air quality, pollen and active fire data, and an app called Oregon Air developed for the Oregon Department of Environmental Quality.

Use of these apps, and new installs are often driven by regional events. As of August 8, 2021 there were 16 large active fires searing through Oregon according to the NIFC.

How air pollution impacts health

Air quality monitoring and measurement are critical for public health, says Yanelli Nunez, a postdoctoral research scientist at Columbia University’s Mailman School of Public Health.

She notes that robust studies have shown that air pollution contributes to lung cancer, chronic obstructive pulmonary disease, and lower respiratory infections, and even impacts mortality, pregnancy outcomes and cardiovascular disease.

Nunez works in an environmental health sciences laboratory with Marianthi-Anna Kioumourtzoglou. Their research has also found long-term exposure to air pollution can affect the nervous system and may influence functions such as memory or cognitive capabilities.

The scientists wrote in an e-mail to CNBC: “Americans living in poor air quality areas tend to be people of color or low-income communities. We are finally starting to pay more attention to these issues, which hopefully will lead to change. The air pollution composition is also changing.”

In one example, greenhouse gas emissions from transportation declined in New York City from 2014 to 2017, while commercial cooking emissions rose.

With increased wildfires, the scientists wrote, “The sources and composition of the air pollution mixture that we are experiencing could differently impact our health, so we need to better understand source-specific effects, especially for these newly prominent sources.”

Indoor air matters, too

While outdoor air quality is important, society doesn’t talk or do enough about indoor air quality, said Richard Corsi, UC Davis’ incoming dean of the college of engineering, currently a professor and dean at Portland State University.

Using pre-pandemic numbers, Corsi explained that the average American would spend almost 70 out of 79 years of their life domiciled inside of buildings. “Because we spend so much time indoors, even our exposure to pollutants of outdoor origin is dominated by what we breathe there, especially in our homes,” he said.

Pollutants of outdoor origin which come from the likes of internal combustion engine vehicles, photochemical smog, refineries and wildfires can get into homes and buildings when doors and windows are opened, when heat and air conditioning systems are used, or through other cracks in the building envelope.

Consumer apps and devices today don’t give users an absolute, precise measurement down to micrograms per cubic meter of a given pollutant, Corsi noted. But they’re very valuable for spotting trends and relative changes in air quality.

Sensors set up indoors can work well to check whether protective measures are working to improve the air inside of a house, school or other building.

Especially during wildfire season, Corsi said, some other simple actions that can protect or improve air quality indoors include: wet-mopping floors and wiping surfaces so pollutants don’t accumulate, using HEPA or high-efficiency particulate air filters, and increasing the MERV or minimum efficiency reporting value of filters in central air systems in a house.

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China’s Honor launches new challenge to Samsung with thin foldable smartphone and a big battery

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China's Honor launches new challenge to Samsung with thin foldable smartphone and a big battery

Honor launched the Honor Magic V5 on Wednesday July 2, as it looks to challenge Samsung in the foldable space.

Honor

Honor on Wednesday touted the slimness and battery capacity of its newly launched thin foldable phone, as it lays down a fresh challenge to market leader Samsung.

The Honor Magic V5 goes will initially go on sale in China, but the Chinese tech firm will likely bring the device to international markets later this year.

The company, which spun off from Chinese tech giant Huawei in 2020, is looking to stand out from rivals with key features of the Magic V5, like artificial intelligence, battery and size.

Honor said the Magic V5 is 8.8 mm to 9mm when folded, depending on the color choice. The phone’s predecessor, the Magic V3 — Honor skipped the Magic V4 name — was 9.2 mm when folded. Honor said the Magic V5 weighs 217 grams to 222 grams, again, depending on the color model. The previous version was 226 grams.

In China, Honor will launch a special 1 terabyte storage size version of the Magic V5, which it says will have a battery capacity of more than 6000 milliampere-hour — among the highest for foldable phones.

Honor has tried hard to tout these features, as competition in foldables ramps up, even as these types of devices have a very small share of the overall smartphone market.

Honor vs. Samsung

Foldables represented less than 2% of the overall smartphone market in 2024, according to International Data Corporation. Samsung was the biggest player with 34% market share followed by Huawei with just under 24%, IDC added. Honor took the fourth spot with a nearly 11% share.

Honor is looking to get a head start on Samsung, which has its own foldable launch next week on July 9.

Francisco Jeronimo, a vice president at the International Data Corporation, said the Magic V5 is a strong offering from Honor.

“This is the dream foldable smartphone that any user who is interested in this category will think of,” Jeronimo told CNBC, pointing to features such as the battery.

“This phone continues to push the bar forward, and it will challenge Samsung as they are about to launch their seventh generation of foldable phones,” he added.

The thinness of a foldable phone has become a battleground for smartphone makers to appeal to consumers who want the large screen size the device has to offer without extra weight.

At its event next week, Samsung is expected to release a foldable that is thinner than its predecessor and could come close to challenging Honor’s offering by way of size, analysts said. If that happens, then Honor will be facing more competition, especially against Samsung, which has a bigger global footprint.

“The biggest challenge for Honor is the brand equity and distribution reach vs Samsung, where the Korean vendor has the edge,” Neil Shah, co-founder of Counterpoint Research, told CNBC.

Honor’s push into international markets beyond China is still fairly young, with the company looking to build up its brand.

“Further, if Samsung catches up with a thinner form-factor in upcoming iterations, as it has been the real pioneer in foldables with its vertical integration expertise from displays to batteries, the differentiating factor might narrow for Honor,” Shah added.

Vertical integration refers to when a company owns several parts of a product’s supply chain. Samsung has a display and battery business which provides the components for its foldables.

Honor talks up AI

Smartphone players, including Honor, have also looked to stand out via the AI features available on their device.

In March, Honor pledged a $10 billion investment in AI over the next five years, with part of that going toward the development of next-generation agents that are seen as more advanced personal assistants.

Honor said its AI assistant Yoyo can interact with other AI models, such as those created by DeepSeek and Alibaba in China, to create presentation decks.

The company also flagged its AI agent can hail a taxi ride across multiple apps in China, automatically accepting the quickest ride to arrive? and cancelling the rest.

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AI virtual personality YouTubers, or ‘VTubers,’ are earning millions

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AI virtual personality YouTubers, or ‘VTubers,’ are earning millions

One of the most popular gaming YouTubers is named Bloo, and has bright blue wavy hair and dark blue eyes. But he isn’t a human — he’s a fully virtual personality powered by artificial intelligence.

“I’m here to keep my millions of viewers worldwide entertained and coming back for more,” said Bloo in an interview with CNBC. “I’m all about good vibes and engaging content. I’m built by humans, but boosted by AI.”

Bloo is a virtual YouTuber, or VTuber, who has built a massive following of 2.5 million subscribers and more than 700 million views through videos of him playing popular games like Grand Theft Auto, Roblox and Minecraft. VTubers first gained traction in Japan in the 2010s. Now, advances in AI are making it easier than ever to create VTubers, fueling a new wave of virtual creators on YouTube.

The virtual character – whose bright colors and 3D physique look like something out of a Pixar film or the video game Fortnite – was created by Jordi van den Bussche, a long time YouTuber also known as kwebbelkop. Van den Bussche created Bloo after finding himself unable to keep up with the demands of content creation. The work no longer matched the output.

“Turns out, the flaw in this equation is the human, so we need to somehow remove the human,” said van den Bussche, a 29-year old from Amsterdam, in an interview. “The only logical way was to replace the human with either a photorealistic person or a cartoon. The VTuber was the only option, and that’s where Bloo came from.”

Jordi Van Den Bussche, YouTuber known as Kwebbelkop.

Courtesy: Jordi Van Den Bussche

Bloo has already generated more than seven figures in revenue, according to van den Bussche. Many VTubers like Bloo are “puppeteered,” meaning a human controls the character’s voice and movements in real time using motion capture or face-tracking technology. Everything else, from video thumbnails to voice dubbing in other languages, is handled by AI technology from ElevenLabs, OpenAI’s ChatGPT, Google’s Gemini and Anthropic’s Claude. Van den Bussche’s long-term goal is for Bloo’s entire personality and content creation process to be run by AI.

Van den Bussche has already tested fully AI-generated videos on Bloo’s channel, but says the results have not yet been promising. The content doesn’t perform as well because the AI still lacks the intuition and creative instincts of a human, he said. 

“When AI can do it better, faster or cheaper than humans, that’s when we’ll start using it permanently,” van den Bussche said.

The technology might not be far away.

Startup Hedra offers a product that uses AI technology to generate videos that are up to five minutes long. It raised $32 million in a funding round in May led by Andreessen Horowitz’s Infrastructure fund.

Hedra’s product, Character-3, allows users to create AI-generated characters for videos and can add dialogue and other characteristics. CEO Michael Lingelbach told CNBC Hedra is working on a product that will allow users to create self-sustaining, fully-automated characters.

Hedra’s product Character-3 allows users to make figures powered by AI that can be animated in real-time.

Hedra

“We’re doing a lot of research accelerating models like Character-3 to real time, and that’s going to be a really good fit for VTubers,” Lingelbach said. 

Character-3’s technology is already being used by a growing number of creators who are experimenting with new formats, and many of their projects are going viral. One of those is comedian Jon Lajoie’s Talking Baby Podcast, which features a hyper-realistic animated baby talking into a microphone. Another is Milla Sofia, a virtual singer and artist whose AI-generated music videos attract thousands of views. 

Talking Baby Podcast

Source: Instagram | Talking Baby Podcast

These creators are using Character-3 to produce content that stands out on social media, helping them reach wide audiences without the cost and complexity of traditional production.

AI-generated video is a rapidly evolving technology that is reshaping how content is made and shared online, making it easier than ever to produce high-quality video without cameras, actors or editing software. In May, Google announced Veo 3, a tool that creates AI-generated videos with audio.

Google said it uses a subset of YouTube content to train Veo 3, CNBC reported in June. While many creators said they were unaware of the training, experts said it has the potential to create an intellectual property crisis on the platform.

Faceless AI YouTubers

Creators are increasingly finding profitable ways to capitalize on the generative AI technology ushered in by the launch of OpenAI’s ChatGPT in late 2022.

One growing trend is the rise of faceless AI channels. These are run by creators who use these tools to produce videos with artificially generated images and voiceover that can sometimes earn thousands of dollars a month without them ever appearing on camera.

“My goal is to scale up to 50 channels, though it’s getting harder because of how YouTube handles new channels and trust scores,” said GoldenHand, a Spain-based creator who declined to share his real name.

Working with a small team, GoldenHand said he publishes up to 80 videos per day across his network of channels. Some maintain a steady few thousand views per video while others might suddenly go viral and rack up millions of views, mostly to an audience of those over the age of 65.

GoldenHand said his content is audio-driven storytelling. He describes his YouTube videos as audiobooks that are paired with AI-generated images and subtitles. Everything after the initial idea is created entirely by AI.

He recently launched a new platform, TubeChef, which gives creators access to his system to automatically generate faceless AI videos starting at $18 a month.

“People think using AI means you’re less creative, but I feel more creative than ever,” he said. “Coming up with 60 to 80 viral video ideas a day is no joke. The ideation is where all the effort goes now.”

AI Slop

As AI-generated content becomes more common online, concerns about its impact are growing. Some users worry about the spread of misinformation, especially as it becomes easier to generate convincing but entirely AI-fabricated videos.

“Even if the content is informative and someone might find it entertaining or useful, I feel we are moving into a time where … you do not have a way to understand what is human made and what is not,” said Henry Ajder, founder of Latent Space Advisory, which helps business navigate the AI landscape.

Others are frustrated by the sheer volume of low-effort, AI content flooding their feeds. This kind of material is often referred to as “AI slop,” low-quality, randomly generated content made using artificial intelligence. 

Google DeepMind Veo 3.

Courtesy: Google DeepMind

“The age of slop is inevitable,” said Ajder, who is also an AI policy advisor at Meta, which owns Facebook and Instagram. “I’m not sure what we do about it.”

While it’s not new, the surge in this type of content has led to growing criticism from users who say it’s harder to find meaningful or original material, particularly on apps like TikTok, YouTube and Instagram.

“I am actually so tired of AI slop,” said one user on X. “AI images are everywhere now. There is no creativity and no effort in anything relating to art, video, or writing when using AI. It’s disappointing.”

However, the creators of this AI content tell CNBC that it comes down to supply and demand. As the AI-generated content continues to get clicks, there’s no reason to stop creating more of it, said Noah Morris, a creator with 18 faceless YouTube channels.

Some argue that AI videos still have inherent artistic value, and though it’s become much easier to create, slop-like content has always existed on the internet, Lingelbach said.

“There’s never been a barrier to people making uninteresting content,” he said. “Now there’s just more opportunity to create different kinds of uninteresting content, but also more kinds of really interesting content too.”

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Elon Musk’s X is down for some users

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Elon Musk's X is down for some users

The X logo appears on a phone, and the xAI logo is displayed on a laptop in Krakow, Poland, on April 1, 2025. (Photo by Klaudia Radecka/NurPhoto via Getty Images)

Nurphoto | Nurphoto | Getty Images

Elon Musk‘s social media platform X was hit with an outage on Wednesday, leaving some users unable to load the site.

More than 15,000 users reported issues with the platform at around 9:53 a.m. ET, according to analytics firm Downdetector, which gathers data from users who spot glitches and report them to service.

The issues appeared to be largely resolved by 10:30 a.m., though some users continue to report disruptions with the platform.

The site has suffered from multiple disruptions in recent months.

Representatives from X didn’t immediately respond to a request for comment on the outage.

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