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

A more accurate way of measuring this pollution would be through its AQI, a tool that measures the quality of air at various levels. A reading of 450-500 is what Delhi is recording at the moment ...

The AQI is measured on a scale from 0 to 500, with the lower the number, the healthier the air. (Getty Creative) ...

Those groups particularly sensitive to particulate matter in the air may want to limit time outside Friday and Saturday.

The EPA collects data for the AQI from some 4,000 air quality monitoring stations dotted around the country. But air quality can vary on a hyperlocal scale, meaning the network of official sites is ...

New Delhi: As the Air Quality Index (AQI) in the national capital shows improvement, the Commission for Air Quality ...

Calculating air pollution from wildfires and other events has become more complicated. That doesn’t mean it’s necessarily more accurate.

Support LAist by giving now. Angelenos still bothered by the smell of smoke may be surprised to see that Air Quality Index numbers returned to “healthy” or “moderate” levels this week in L ...

Here's how you can minimize the effects of poor air quality. Mercey Livingston is a health and wellness writer and certified Integrative Nutrition Health Coach. She's written about fitness and ...

Hazardous air quality can affect people's health in multiple ways, ranging from headaches and eye irritation to trouble breathing and even heart failure. Here's how to tell if you're in an area at ...

The GRAP 3 restrictions, revoked on Sunday, were enforced on January 9 as the quality of air reached 'severe' levels. At 4 pm on Sunday, the Delhi AQI was recorded at 278, 72 points below the 350 mark ...