As smoke from Canadian wildfires has made its way into the U.S., it is important to understand how the air quality index works. Here's what each color code means.

Unhealthy, very unhealthy, and hazardous air quality index readings suggests that we reduce our outdoor activities or reschedule them. The other issue today is the heat with the temperature ...

Here’s how to understand the Environmental Protection Agency’s Air quality index (AQI), which measures, on a 300-point scale (along with six categories and advisories), the quality of air in ...

The Air Quality Index and how to use it, explained. 8 things you should know about the number that measures bad air. by Rebecca Leber. Updated Jan 22, 2025, 10:49 PM UTC.

Wildfires in Canada are sending heavy smoke across the northern U.S., and New Jersey is experiencing some of the worst air pollution it's ever seen. As of 5 a.m., alerts had been issued for almost ...

With air-quality deteriorating each day in the capital city of India, it is essential, to know how low Air Quality Index (AQI) levels can have a negative effects on skin health. What is air pollution?

An air quality index level of 100 is considered safe. An AQI under 100 is good or acceptable, and an AQI over 100 is cause for concern, especially for vulnerable groups.

The AQI (Air Quality Index) rates the level of air pollution from 0 to 500. Green (0-50) is good. Maroon (301 or higher) is hazardous.

By late Tuesday morning, the quality of Spokane’s air sat in the unhealthy range of the U.S. Air Quality Index due to wildfires across the Northwest.

On the Air Quality Index Scale, indexes between 51-100 are considered “moderate” health concern level. Knoxville man with Parkinson’s disease training to climb Mount Kilimanjaro ...

As of 9 a.m. on Friday, June 6, here are the air quality index readings, according to AirNow's Air Quality Index: Ann Arbor: PM2.5 of 135; unhealthy for sensitive groups.

KNOXVILLE, Tenn. (WATE) — The Knoxville area has once again been impacted by smoke from Canadian wildfires, with the Air Quality Index in the Unhealthy For Sensitive Groups category Thursday ...