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

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

If you have been hearing about poor air quality in New York City Friday, you can breathe a deep sigh of relief (literally): ...

One possible reason for bad air quality in the city is a fire that broke out yesterday afternoon in Lancaster, Pennsylvania, ...

Erin Davis/Axios Visuals Air quality is worsening in the Upper Midwest and Northern California, according to year-over-year data. Why it matters: Poor air quality can lead to long-term health problems ...

Wear a tight-fitting N95 mask at the bare minimum, but a P100 is better, experts say. Wear long sleeves, eye protection, closed-toed shoes and cut-resistant gloves. Clean or decontaminate anything ...

Gurgaon: Residents woke up to a bright, sunny morning again on Tuesday, with the minimum temperature reaching 10.

Delhi experienced a warm Monday with temperatures reaching 24.5°C, five degrees above normal. The India Meteorological ...

Delhi recorded a maximum temperature of 24.5 degrees Celsius (°C) and a minimum temperature of 11.4°C, which were five and ...

This post was updated Jan. 20 at 10:09 p.m. Wildfires in the Pacific Palisades have burned over 6,000 structures, releasing ...

Delhi experienced another warm day, with the maximum temperature settling five notches above normal at 24.5 degrees Celsius on Monday. The national capital’s air quality remained ‘very poor’ despite a ...