Each Air Quality Index category, also known as the level of concern, is attached to a certain range of values: Good (green): 0 to 50; Moderate (yellow): 51 to 100; ...

The DEC has issued an air quality health advisory for most of upstate New York due to elevated levels of fine particulate ...

The Air Quality Index, or AQI, is the primary system used to warn the public when air pollution is dangerous. It’s based on data collected from 5,000 air monitors across the country.

Air quality in the U.S. is measured by the Environmental Protection Agency (EPA) using an air quality index (AQI), which rates air quality on a scale of zero to 500.

My review unit was the HealthPro Plus. This is a fairly large device (28 inches tall and roughly 15 inches square, weighing 35 pounds). ... (Air Quality Index), and carbon dioxide levels.

Air quality ratings between 51-100, for instance, largely concern people who may be unusually sensitive to air pollution. The EPA recommends these individuals consider reducing prolonged or heavy ...

The Air Quality Index (AQI) is used by various government agencies to report how clean or polluted the air is in your area. For example, you may have spotted this metric popping up in local ...

The $70 Amazon Smart Air Quality Monitor is a good option for monitoring your indoor air and asking Alexa for an update, but software limitations mean it’s not as smart as it could be.

The national average air quality index in 2023 was 38, according to IQAir, a Swiss air quality technology company. More than 100 nations had cleaner air , on average, than the United States, and ...

The EPA's Air Quality Index can tell you whether breathing outside air can be harmful. Here's how to read the scale to plan ...

Unhealthy Air Quality Index level. Red: Indexes in the 151 to 200 range are considered "unhealthy." At this level, any member of the general public becomes susceptible to health effects.

An air quality index level of 100 is considered safe. An AQI under 100 is good or acceptable, and an AQI over 100 is cause for concern, especially for vulnerable groups.