Google’s air quality map showed that Chicago had the worst air in the country. Apple’s weather app, too, showed that the Air Quality Index had climbed into the 400s, a reading so hazardous ...

The red-level air quality index (AQI) category—covering values from 151 to 200—means the air is unhealthy for everyone, not just vulnerable populations. According to the EPA, "some members of the ...

An air quality alert is in effect Thursday for New York City, Long Island and the lower Hudson Valley due to smoke from the Ocean County, New Jersey wildfire. The Jones Road Wildfire rages on in ...

There was some light density smoke off the coast of southern New England early Friday morning, according to the latest wildfire and smoke maps. The U.S. Air Quality Index shows some areas across ...

The colors are used on air quality forecast maps. No city had a worse sustained reading in 2021 than Salem, Ore., where the index almost reached 500 — the top of the scale — according to ...

The red-level air quality index (AQI) category—covering values from 151 to 200—means the air is unhealthy for everyone, not just vulnerable populations. According to the EPA, "some members of ...

A concerning air quality mystery has broken out in Chicago, as the city was reportedly blanketed with toxic chemicals - although not everyone is convinced that the emergency actually took place.

the Air Quality Index map indicates that these areas fall within the "moderate" category. The department also noted that smoke may still be visible at high altitudes in the lower Hudson Valley, New ...

Staying informed can also go a long way. Mesa County updates its air quality page every day. Residents can also check out the Air Quality Index to learn more.