The highly anticipated monsoon knocked on the city's door on Saturday but didn't enter. While parts of the capital, ...

For most people, their phone's weather app is the primary source for local air quality. Folks who want more detailed data can ...

The past several years have been marked by an increase in the frequency and severity of wildfires in the western United ...

Elon Musk’s xAI is the subject of scrutiny in Memphis, where natural gas turbines powering its Colossus data center have ...

If the air feels a little heavier today, you're not imagining it. A health advisory for elevated air pollution levels remains ...

PORT TOWNSEND — Cooling and clean air centers in Jefferson County are planning to extend their hours in the case of dangerously high heat or poor air quality events.

AB 471 imposes a 30 percent tax on the actual cost of cigars and pipe tobacco sold online to Nevada customers. Certain ...

The worst air in the country on the morning of June 14 was in New Castle County because of a wildfire in New Jersey. The air ...

The Mid-Ohio Regional Planning Commission (MORPC) has issued an Air Quality Alert for Saturday in the Columbus region due to elevated particle levels from Canadian wildfire smoke. Light northeasterly ...

The air quality index, or AQI, is a standardized rating system that assesses the severity of air pollution on a scale ranging from 0 to 500. The higher the number, the worse the quality.

The air quality index, or AQI, is a standardized rating system that assesses the severity of air pollution on a scale ranging from 0 to 500. The higher the number, the worse the quality.

The Air Quality Index indicates the level of air pollution and runs from 0 to 500. Higher levels are considered harmful to people’s health.