HANOI, Vietnam (AP) — Everyone loves a breath of fresh air. Unfortunately, too often our air is anything but fresh.

Air quality improved across the natonal capital region (NCR) and remained in the 'satisfactory' or 'moderate' category, ...

Gurgaon: After staying four days in ‘poor' and ‘very poor' categories, air on Wednesday improved to ‘moderate' with an air ...

Chet Wayland was behind development of the Air Quality Index, a popular and color-coded ranking tool and modeling key to ...

Rising wildfire, flood and insurance risks could reshape Eugene’s housing market. How will climate change impact Lane County ...

Experts warn that a prolonged dry spell may exacerbate forest fires and further worsen pollution levels. Vulnerable and ...

The national capital on Wednesday recorded a minimum temperature of 11.6 degrees Celsius, 1.6 degrees above the seasonal ...

In the wake of the Palisades and Eaton fires, concerns about air quality across the county have been on the rise.

The city saw its best air quality in four months on Thursday, as strong winds helped improve the air quality from poor to ...

The AQI in Bangladesh is based on five pollutants: particulate matter (PM10 and PM2.5), NO2, CO, SO2, and ozone ...

Delhi’s air quality improved to the “moderate” category even as light rain was likely late on Wednesday night and on Thursday ...