The Air Quality Index, or AQI, is the primary system used to warn the public when air pollution is dangerous. It’s based on ...

PM2.5 levels due to smoke have reached the Unhealthy Air Quality Index (AQI) category or higher in Altadena, Downtown Los Angeles, Malibu, Pacific Palisades, Pasadena and surrounding fire-affected ...

While the overall AQI was at 442 at around 7 am on Wednesday, the figures in some monitoring stations of Delhi were at the ‘severe-plus’ category. Delhi on Wednesday woke up to another day of ...

Millions woke up to hazy skies and poor air quality Wednesday morning as crews continued to fight the Palisades Fire in western Los Angeles, the Eaton Fire near Altadena and the Hurst/Sylmar Fire ...

Firefighters from several area departments assisted in controlling a blaze Tuesday evening inside a Sudbury barn.

Fortunately, the US Environmental Protection Agency has a resource called the Air Quality Index to help monitor air quality.

The country’s average Air Quality Index (AQI) in 2023 was 160, with PM2.5 levels 14.7 times higher than the World Health Organization’s (WHO) recommended limits. It was revealed in a recent ...

Air quality is a big concern for everyone in Southern California, even for those who don't live near fire zones. RELATED: Is the air quality index in your area safe? See map for the latest info We ...

Given morning allergy attacks and increasing environmental health concerns, it’s no wonder people are concerned about potential air quality problems in their homes. While an indoor air quality ...

Ozone is a gas comprised of three oxygen (O3) atoms. It is unstable and reacts easily to other gases. In its natural state, it is a component in several levels of the atmosphere. At high altitudes ...

If you’re worried about the quality of your indoor air, either due to smoke from Los Angeles wildfires or ever-present airborne irritants, a reliable air purifier might help your household ...

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