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 ...

Study authors relied on air quality data from 2021-2023, the Lung Association said. Here’s what to know about the worst and the best places in the country for air quality. Top ten US metro ...

A cloud of hazardous air can be seen via air quality maps, hanging over the entire Chicago metropolitan area Wednesday afternoon, as readings reached 500 on the Air Quality Index (AQI).

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 ...

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 ...

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 ...

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 ...