Think of the AQI as a yardstick that runs from 0 to 500. The higher the AQI value, the greater the level of air pollution and the greater the health concern.
People also ask
What is an index of good quality air?
"Good" AQI is 0 - 50. Air quality is considered satisfactory, and air pollution poses little or no risk. "Moderate" AQI is 51 - 100. Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people.
What is the air quality in DC today?
Day | Pollution level | Temperature |
Today | Moderate 57 AQI US | 86° 64.4° |
Sunday, May 26 | Moderate 65 AQI US | 87.8° 64.4° |
Monday, May 27 | Moderate 60 AQI US | 84.2° 66.2° |
Tuesday, May 28 | Moderate 55 AQI US | 82.4° 62.6° |
Why is the air quality bad in PA?
With such a large amount of different industrial activities occurring, as well as a significant anthropogenic movement taking place on a daily basis, the air quality is subsequently affected by a wide array of sources, all of which compound each other to create elevated levels of pollution seen in Pennsylvania, pushing ...
What happens when the air quality reaches 500?
"Hazardous" (301 - 500) If air quality gets in this range, it will trigger health warnings of emergency conditions and there will be widespread coverage in the media.
Get air quality data where you live. ; Air Quality Index Scale ; 0 - 50. Good ; 51 - 100. Moderate ; 101 - 150. Unhealthy for Sensitive Groups (USG) ; 151 - 200.
The Air Quality Index is based on measurement of particulate matter (PM2.5 and PM10), Ozone (O3), Nitrogen Dioxide (NO2), Sulfur Dioxide (SO2) and Carbon ...