Air Alliance Houston launched an online tool to help people monitor harmful pollution in their neighborhoods. The nonprofit organization said it placed low-cost air sensors in communities near ...

Meteorologists expect parts of Kentucky to endure a stretch of days with high temperatures and dew points starting July 23.

Malaysia's air quality improved significantly yes­terday, with only two locations recording unhealthy levels compared to nine areas on Monday, based on the Air Pollutant Index (API) readings, ...