Johnstown
 
Data courtesy of:
 

 
AQI: Good (0 - 50) AQI: Moderate (51 - 100) AQI: Unhealthy for Sensitive Groups (101 - 150) AQI: Unhealthy (151 - 200) AQI: Very Unhealthy (201 - 300) AQI: Hazardous(301 - 500) Action DayAction Day
 
Local Air Quality Resources
 
State Air Quality Resources
Air Quality Partnership of Lehigh Valley - Berks
Air Quality Partnership of the Delaware Valley
Air Quality Partnership of the Susquehanna Valley
American Lung Association (ALA) of Pennsylvania
PA Allergy & Asthma Association
Pennsylvania DEP - BAQ - Contacts
Pennsylvania DEP - BAQ - Current Air Quality Index (AQI) by Area
Pennsylvania DEP - Bureau of Air Quality (BAQ)
Pennsylvania DEP – Air Quality Forecast Home Page
Pennsylvania DEP – Home Page
Southwest PA Air Quality Partnership
Air Quality Forecast
Today's High Tomorrow's High
Air Quality Index (AQI)
45 
Good
Health Message: None
Air Quality Index (AQI)
50 
Good
Health Message: None
AQI - Pollutant Details
Ozone
45 
Good
Ozone
50 
Good
Forecast Discussion: Thursday's Forecast: An area of high pressure, which was over the Great Lakes on Wednesday, will shift east and over the Northeastern US. As a result, expect mostly sunny skies and light winds to persist over the region. These conditions along with temperatures approaching the 80 degree mark will allow ozone levels to rise to near the good / moderate threshold. --Nolan

Current Conditions
Air Quality Index (AQI)
observed at 20:00 EDT
35
Good
Health Message: None
AQI - Pollutant Details
Ozone 35 Good
Particles (PM2.5) 28 Good

Past Air Quality Maps and Data
Yesterday's Maps and Data
Air Quality Maps Archives (by region)