Image via Shutterstock Officials are issuing a public health warning in one major American city over the quality of the air.

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 ...

An air quality alert is in effect today for NYC and Long Island due to smoke from the Ocean County, N.J. wildfire.

According to the Southwest Ohio Air Quality Agency, this wildfire smoke could have likely brought the city's ranking up on ... reached 185 on the Air Quality Index, which was the highest levels ...

A concerning air quality ... of the Air Quality Index, indicating serious health risks for everyone. However, many on Reddit argued that both AccuWeather and IQAir had listed the city's air ...

The Minnesota Pollution Control Agency has issued an air quality alert for ozone pollution from noon to 9 p.m. Tuesday. The Air Quality Index is expected to reach the orange or unhealthy for sensitive ...

Kate Nalepinski is a Newsweek journalist based in New York City ... when wind and air circulation are limited, these emissions accumulate, leading to an elevated air quality index (AQI) and ...

Easton, PA-NJ metropolitan area was named the 50th most polluted in the nation for daily particle pollution, receiving an ‘F’ grade, according to the American ...

An air quality warning has been issued for New York City and Long Island as the wildfire ... The air quality index, with readings exceeding 100 on Thursday, could be unhealthy for sensitive ...