Here is the Air Quality Index chart from the Centers for Disease Control and Prevention: Lung-Wen Antony Chen, an associate professor in the Department of Environmental and Occupational Health at ...

This measure, based on data from the Environmental Protection Agency, evaluates states on the number of days the Air Quality Index in counties was not rated “good.” U.S. News calculated a ...

IQAir today announced the release of its 7th annual World Air Quality Report, highlighting alarming trends of the world's ...

The Air Quality Index in Delhi dropped to 999 over the weekend, making it the most polluted capital city in the world. While the safe limit set by the World Health Organisation is 25, anything ...

The Commission for Air Quality Management (CAQM) highlighted that this is the best air quality recorded in the months of January and February over the past three years. The drop in pollution levels ...

The AQI, an index for reporting daily air quality, informs people how clean or polluted the air of a certain city is and what associated health effects might be a concern for them. The AQI in ...

It comprises two measures: the number of days with an air quality index below a certain threshold and the number of violation points against drinking water systems in each state. Learn more about ...