Air Quality


Check out Johnstown's air quality forecast below or enter your zip code here.

The American Lung Association’s 2019 State of the Air report ranked the Johnstown-Somerset metropolitan area in a tie for 15th worst regional year-round particulate matter (PM). For 2020, the area has improved and is not ranked in the top 25! Compare your air. Try the Breathe Meter to see how different cities around the United States compare in annual particle pollution.

Standards (Level should not exceed):

  • Nitrogen Dioxide - 1 hour averaging time: 100 ppb

  • Ozone - 8 hour averaging time: 70 ppb

  • Particulate Matter 2.5 - 24 hours: 35 μg/m3

Below are examples of air quality data collected from the DMCA East Campus monitor in May 2019.

July 1 - 7, 2019