IQAir analyzed pollution-monitoring stations in 6,475 cities across 117 countries, regions and territories. In the US, air pollution spiked in 2021 compared to 2020.

IQAir found that 92.5% of the 7,812 locations in 134 countries, regions, and territories where it analyzed average air quality last year exceeded WHO’s PM2.5 guidelines.

That title goes to Byrnihat, an industrial town in India's northeast. DW explores why.Byrnihat looks like many other towns in India's picturesque northeastern states of Assam and Meghalaya. The ...

Fireworks may dazzle, but they also pollute the air, disrupt wildlife and pose health risks. Some North Carolina cities are ...

Los Angeles had the lowest air quality in the United States in 2024, according to the annual World Air Quality Report from IQAir. The annual report looks at data from more than more than 40,000 ...

IQAir’s HyperHEPA purifiers have been used in hospitals for decades and are proven effective at capturing the virus that causes Covid-19. The IQAir Atem is a compact, affordable air purifier ...

The IQAir HealthPro Plus is an air purifier with 1,125 sq. feet of coverage and triple filtration — including a HyperHEPA filter that is effective against Covid-19. Hospital-grade protection ...

The 10 most polluted major cities in the United States last year all experienced air quality that exceeded World Health Organization guidelines by two-three times, according to an annual report by ...

The IQAir Atem X is part of the Air Purifiers test program at Consumer Reports. In our lab tests, Room Air Purifiers models like the Atem X are ...

IQAir found the most polluted city, not based on size, in the United States in 2023 was Beloit, Wisconsin, which borders Illinois. Columbus, Ohio, was ranked as the most polluted major U.S. city ...

IQAir found that 92.5% of the 7,812 locations in 134 countries, regions, and territories where it analyzed average air quality last year exceeded WHO’s PM2.5 guidelines.