Skip Navigation 
NOAA logo - Click to go to the NOAA homepage National Weather Service Forecast Office   NWS logo - Click to go to the NWS homepage
Go to NWS State College, PA Home

Local forecast by
"City, ST" or zip code
Air Quality
Smog in Donora, PA in 1948 - photo courtesy Pittsburgh Post Gazette
Smog in Donora, PA in 1948 (photo courtesy Pittsburgh Post Gazette)

As a public service, the National Weather Service in State College will redistribute Official Air Quality Forecasts produced by the Environmental Protection Agency (EPA) and current Air Quality Index (AQI) reports from the Pennsylvania Department of Environmental Protection (DEP). National Weather Service Guidance Products are used by state and local air quality forecasters to aid in the issuance of Air Quality Index (AQI) forecasts.

See the Latest Air Quality Report (Issued Daily)
and Latest Air Quality Alert (Issued only as needed)

Official Air Quality Point Forecasts are issued by state and local air quality forecasters. Additional information on air quality can be found at the EPA's AIRnow website.

Latest Air Quality for Pennsylvania
Move mouse over image to swap between the latest 1 hour and 8 hour
ozone concentration for Pennsylvania
Link to Eastern US Ozone Concentration

The National Digital Guidance Database (above) is provided through a partnership
between NOAA/NWS and the EPA.


Understanding the AQI

The purpose of the AQI is to help the public understand how local air quality affects one's personal health. The AQI is divided into six categories.

Ozone concentrations and associated Air Quality Indices (AQI)


Comments? Contact Greg DeVoir, NWS State College, PA Air Quality Program Manager.

Local Climate, Water & Weather Topics:
Forecasts, Current Hazards, Current Conditions, Water Resources, Radar, Satellite, Climate,
Weather Safety, Wireless/PDAs, Feature Articles,

US Dept of Commerce
NOAA National Weather Service
Central Pennsylvania Weather Forecast Office
328 Innovation Blvd, Suite 330
State College, Pennsylvania 16803
Page Author: 
Page Last Modified: 11 April 2010 22:48:17 UTC
Privacy Policy
About Our Organization
Career Opportunities