After fires destroyed multiple neighborhoods across Los Angeles County, many residents looked up to find blue, smoke-free skies this week. The Air Quality Index (AQI) — which measures the ...

Indicators like the Air Quality Index (AQI), commonly used to track air pollution levels, provide a rough sense of the ...

This measure, based on data from the Environmental Protection Agency, evaluates states on the number of days the Air Quality Index in counties was not rated “good.” U.S. News calculated a ...

The Air Quality Index, or AQI, is the primary system used ... week when they reached speeds of between 80 and 100 mph. The National Weather Service is warning of wind gusts between 55 and 70 ...

An air quality alert was issued on Tuesday at 5:03 a.m. for Josephine County.

The Air Quality Index measured 156 near Forks, Washington, and received a rating of "unhealthy," meaning some members of the general public may experience health effects and members of sensitive ...

Toxic smoke and dangerous particulate pollution are spreading far beyond the flames, leaving air quality at unhealthy levels ...

Think back to the red AQI forecast on your phone. What information was it trying to convey? The Air Quality Index (AQI) is a ...

Delhi recorded an average AQI of 350 at 6 AM on Friday. The increasing pollution in the region led the Commission for Air ...

According to the National Air Quality Index, prepared by the Central Pollution Control Board, “poor” air can cause “breathing discomfort to most people on prolonged exposure”. “Moderate” air can cause ...