Air Quality Index for one’s region can be a handy thing to know, but it’s such a dry and humorless number, isn’t it? Well, all that changes with [Andrew Kleindolph]’s AQI Funnies ...

AQI is calculated into six color-coded categories — the higher the AQI value, the more air pollution is present and the greater the health concern. When there's an increase in a type of pollutant, the ...

Winter chill and fog bring along an unexpected guest for millions of residents of Delhi-NCR: poor air. A measure called the Air Quality Index (AQI) gauges just how bad the air has become in a ...

How is the AQI calculated? The AQI is based on the levels of five major air pollutants: ground-level ozone, particle pollution, carbon monoxide, sulfur dioxide, and nitrogen dioxide. The AQI uses ...

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 ...