Agency Pennsylvania MORE AGENCIES MORE SERVICES Josh Shapiro, Governor Jessica Shirley, Acting Secretary

Ambient Air Monitoring Data Reports

Latest Pollution and Weather Data

The data on this site is collected using sophisticated sampling equipment located across the state. Occasionally, hardware or software fails and provides no data or erroneous data until a technician can service it. In addition, this data has not yet been quality assured/quality controlled so some data may be incomplete or inaccurate. The final quality assured/quality controlled data can be found on EPA’s Air Quality Data website.

Pennsylvania Department of Environmental Protection
Bureau of Air Quality

Latest Hourly Data Collected on 6/17/2025 10:00:00 AM

Site Name1-Hr
CO
(ppm)
1-Hr
SO2
(ppb)
1-Hr
Ozone
(ppb)
1-Hr
PM-2.5
(ug/m3)
1-Hr
PM-10
(ug/m3)
1-Hr
NO
(ppb)
1-Hr
NO2
(ppb)
1-Hr
NOX
(ppb)
1-Hr
H2S
(ppb)
Allentown  163.26    
Altoona -0.1133.5     
Arendtsville0.20.1161.8 1.12.23.4 
Beaver Falls  229.41725.27.3 
Brighton Township 1.928      
Bristol  19      
Carlisle   2.7     
Charleroi   5.7 0.52.12.6 
Chester  249.1 6.210.116.3 
Erie0.2 246.8130.22.12.3 
Farrell  246.4     
Florence 1.1268.7     
Fort McIntosh  2410.0     
Freemansburg 0.9 3.0     
Greensburg  286.7     
Harrisburg  113.5     
Hershey  133.77    
Holbrook  277.6     
Houston  277.5 0.21.61.8 
Johnstown0.30.8193.3812.23.3 
Kittanning  235.2     
Kutztown  21      
Lancaster   4.98    
Lancaster Downwind  126.0     
Lebanon  143.3     
Marcus Hook   6.5     
Methodist Hill  12      
Montoursville  17      
New Garden - Airport  207.5     
New Milford   2.3     
Norristown  185.9     
Peckville  20      
Reading Airport 0194.4     
Salladasburg   1.9     
Scranton0.40142.584.76.911.7 
State College 0.416  03.43.5 
Strongstown 2 6.5     
Swiftwater   18      
Tioga County  191.2 0.60.91.6 
Towanda  192.1 11.93.4 
Tunkhannock         
Uniontown  338.3     
Warren - Overlook 0.2       
Warren East 0.3       
Wilkes-Barre         
York 0.3192.9 1.134.1 
York Downwind  15      
Site Name1-Hr
SWS
(mph)
1-Hr
VWS
(mph)
1-Hr
VWD
(degs)
1-Hr
AT
(degF)
1-Hr
SR
(w/m2)
Allentown1.51.113064136
Altoona4.03.623070247
Arendtsville6.96.716166257
Beaver Falls2.41.519878313
Brighton Township2.72.324176339
Bristol4.84.49568316
Carlisle1.31.010666153
Charleroi5.65.220778408
Chester2.32.07373760
Erie4.74.117577568
Farrell4.13.817074313
Florence5.85.322076344
Fort McIntosh3.12.923477301
Freemansburg1.61.410165125
Greensburg3.81.626376240
Harrisburg3.83.613666157
Hershey4.84.79165147
Holbrook0.90.940 
Houston3.02.418877300
Johnstown2.32.018675538
Kittanning3.73.417675291
Kutztown3.33.26564111
Lancaster3.02.813566111
Lancaster Downwind     
Lebanon2.72.311065153
Marcus Hook     
Methodist Hill     
Montoursville3.32.912867179
New Garden - Airport3.22.88465271
New Milford4.03.418065171
Norristown2.62.113468268
Peckville2.62.023269176
Reading Airport3.22.713566219
Salladasburg1.40.82469168
Scranton1.11.027070189
State College3.42.820766163
Strongstown5.44.715572349
Swiftwater 2.01.116562163
Tioga County6.35.717758283
Towanda4.63.916569232
Tunkhannock7.87.614466276
Uniontown     
Warren - Overlook0.90.234838 
Warren East3.73.48672286
Wilkes-Barre1.61.328371246
York3.43.210767171
York Downwind3.43.216664231

Caution: Data is not validated

For data comparision purposes, see the National Ambient Air Quality Standards on the EPA web site.

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