MIchigan's air quality will be unhealthy for some groups Friday. Check the air quality index map to see if it's good or bad ...

A combination of high heat, poor air quality, and the threat of severe thunderstorms is bearing down on New York City this ...

An air quality alert was issued by the National Weather Service in-Sullivan at 1:52 p.m. on Wednesday, July 23.

As of Tuesday morning, the Air Quality Index in Milwaukee was between 115 to 120, which falls in the "unhealthy for sensitive ...

The National Weather Service has issued an air quality alert due to heavy wildfire smoke from Canada. According to NWS models ...

TEMPO.CO, Jakarta - Jakarta's air quality on Wednesday, July 23, 2025, ranked second-worst in the world, according to the ...

AirNow and PurpleAir use the Air Quality Index, or A.Q.I., a measure of air quality from 0 to 500 that is composed of six categories, from “good” to “hazardous.” ...

Unhealthy Air Quality Index level. Red: Indexes in the 151 to 200 range are considered "unhealthy." At this level, any member of the general public becomes susceptible to health effects.