In recent days, the air quality index has been at "Unhealthy" levels in New York City from the Canadian wildfires smoke. People have been warned to avoid outdoor physical activities. Those who spend ...

Test your knowledge of the Air Quality Index and learn how it helps measure the cleanliness of the air we breathe. Discover ...

Check the Air Quality Index (AQI) in your city and stay informed about the air quality levels, from good to severe. Take necessary precautions to protect your health and breathe easy. Understanding ...

PM2.5 (particles of diameter 2.5 micrometres or less) concentration for 24 hours ending 4pm on November 18 was 549.6 microgram per cubic metre (µg/m3) and 676 µg/m3 at Jawaharlal Nehru Stadium and ...

CLEVELAND, Ohio -- As smoke from Canadian wildfires continues to drift in and smother the U.S., many Americans are wondering if or when it’s safe to go outside. Fortunately, there’s a simple ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. NEW YORK (PIX11) — More smoke from the ...

Lahore’s air remained locked in the “hazardous” range on Saturday morning, Swiss air monitor IQAir reported, ranking the city ...