Skip the Navigation

Air Regions
  Map of the DEP Regions
    Region 1 | Region 2
    Region 3 | Region 4
    Region 5 | Region 6

Air Topics
   Business
   Cars/Trucks
   General
   Monitoring
   Pollutants
   Permits
   Regs/Plans

Information
  BulletAir Quality Home
  BulletSite Index
  BulletLatest News
  BulletUpcoming Events
  BulletContact Air Quality
  BulletAir Related Links

Pennsylvania
Bureau of Air Quality

Principal Pollutants

Ozone Summary Reports

Daily Maximums

Use the menu below to get a daily ozone maximum report, or get the most recent report.

Ozone Standard Exceedances

Pennsylvania and the federal government have set concentration standards for ground-level ozone and the other principal pollutants to protect the public's health and to prevent environmental damage. Use the menu below to download a summary of Daily Maximum values above the NAAQS Ozone Standard in Pennsylvania (PDF)

 

 

Navigate
BulletPrincipal Pollutants
BulletMonitoring Topics
BulletAir Quality Home

NAAQS Ozone Standards

2008 Standard
1-Hour = 125 ppb
8-Hour = 75 pppb

1997 Standard
1-Hour = 125 ppb
8-Hour = 85ppb