Air Quality Numbers Explained: As pollution in Delhi continues to rise without pause, residents are constantly checking the AQI levels to decide when it might be safe to step outdoors. Air Quality ...

Canadian wildfire smoke is affecting air quality in parts of Michigan. The EPA's air quality index (AQI) uses a color-coded scale to inform the public about air quality and associated health risks.

The Air Quality Index (AQI) uses a color-coded scale to inform the public about air pollution levels and potential health risks. Michigan residents can check the AQI through various online resources, ...

When the air won’t circulate, then “regardless of what they’re looking at, when certain levels reach a critical value, they ...

Thousands of people across a part of California have been urged to stay inside amid concerns over high air pollution, a map from AirNow shows. The map shows an area of fine particle (PM2.5) pollution ...

Ruth Benedict wondered why the weather app on her phone would frequently show a “bad air quality” reading. And, the Geneva ...

Air quality alerts in Pennsylvania are being extended, affecting central counties, including Dauphin, Cumberland, Lebanon, York, and Lancaster. On Feb. 18, the National Weather Service in State ...

A few weather conditions went into the making of an air quality alert yesterday and this morning. Here’s what went down, literally. The main reason pollutants built up in the air near the ground is a ...

Smoke from the Green Fire and other wildfires burning in and near Shasta County are polluting the air over the North State. The Shasta County Air Quality Management District and Shasta County Health ...