Learn what the air quality index (AQI) means, how it impacts your health, and how to stay safe when pollution is high.

The air has improved in the LA region as firefighters get blazes under control, but there are questions about how safe the ...

After fires destroyed multiple neighborhoods across Los Angeles County, many residents looked up to find blue, smoke-free ...

The agency runs calculations on the readings to determine the air quality index ... is divided into a scale of six colors starting with green, meaning it’s safe to do activities outside ...

One way to understand how wildfire smoke is causing dangerous air pollution is the Air Quality Index scale, often used by weather apps. But that isn’t the only way to measure it — and relying ...

Moderate air quality is between 51 and 100, or in the yellow band of the AQI scale. Air quality in the moderate range can still be risky for people who are unusually sensitive to air pollution.

According to the AQI scale, the AQI between zero and 50 is ... from Ghaziabad has urged the authorities to install more air-quality monitoring stations in the twin cities of Noida and Ghaziabad ...

While the overall 24-hour air quality index (AQI) is at 186, at the higher end of ‘moderate’ on the AQI scale, several stations had it much worse. This was a negligible improvement from ...

According to the Central Pollution Control Board, Delhi’s 24-hour average air quality index (AQI) at 4 p.m. was 371, which, on a scale of 0 to 500, falls under the ‘severe’ category.