Liberty/Clairton area
 
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
Current Air Quality Index | Forecast
 
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)
42 
Good
Health Message: None
Air Quality Index (AQI)
35 
Good
Health Message: None
AQI - Pollutant Details
Particles (PM2.5)
42 
Good
Particles (PM2.5)
35 
Good
Forecast Discussion: Current Conditions: As of 2 PM on Monday, overcast skies prevail over the region as a cold front continues to push east through PA. Right now, a strong westerly wind (gusting upwards of 30 miles per hour) is keeping temperatures within the upper 40s. Air quality levels are benefiting from the strong winds. With increased mixing within the boundary layer, PM 2.5 have effectively dropped into the good range. Expect more of the same tomorrow as strong mixing limits PM 2.5 formation. *** Tuesday's Forecast: So for Tuesday, mostly cloudy conditions will persist as the frontal system, which moved through PA on Monday, continues to move well off to our east. At the same time, a new disturbance (with origins over southcentral Canada) will drop in over the Great Lakes / northern Mid-Atlantic region. As this system passes through PA, expect rain to fall over the region. Winds will remain out of the west (southwest prior to the system's passage, northwest after the system's passage) during the day. Temperatures should peak near the 50 degree mark. The combination of the rain moving in and the stronger winds during the afternoon as the storm system passes through will help keep PM 2.5 levels within the good threshold. *** Extended Outlook: Over the coming days, expect temperatures to be Spring like and fluctuate anywhere from 40s to the 70s as the overall weather pattern remains active. Here is how things are shaping up... During the middle of the week, an area of high pressure will build in over the Mid-Atlantic. This high will allow the skies to clear, the winds to die down and temperatures to rise into the 50s. Once the high moves offshore on Thursday, the return southwesterly flow on the backside of the high will force temperatures to near 70. In addition, moisture levels will rise. This will come to a head on Friday as a cold front slowly approaches from the west. As the cold front comes into contact with the warm and moist air flowing northward in advance of it, showers will develop. The rain will be heavy at times as the cold front advances east. Once the front moves through, a new high pressure system centered over the Mississippi River valley will drop cooler and drier into our region. This high will gradually shift east so that by Easter and Easter Monday, temperatures range near to above normal. Overall, air quality levels will rise early on as the warmest air moves over the region. Once the rain starts on Friday, PM 2.5 levels will fall back to the good range. Good air quality levels are likely to linger into the beginning of the weekend. As temperatures warm early next week, expect levels to rebound to the moderate range. --Nolan

Current Conditions
Air Quality Index (AQI)
observed at 22:00 EDT
31
Good
Health Message: None
AQI - Pollutant Details
Ozone 31 Good
Particles (PM2.5) 18 Good

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