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 6/12/2025 11:00:00 AM
| Site Name | 1-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 | 74 | 18.0 | 28 | ||||||
| Altoona | 0.3 | 74 | 26.9 | ||||||
| Arendtsville | 0.3 | 61 | 18.0 | 0.2 | 2 | 2.3 | |||
| Beaver Falls | 61 | 20.5 | 33 | 0.4 | 1.9 | 2.4 | |||
| Brighton Township | 1.3 | 66 | |||||||
| Bristol | 72 | ||||||||
| Carlisle | 17.9 | ||||||||
| Charleroi | 0.3 | 62 | 17.1 | 0 | 2.1 | 2.1 | |||
| Chester | 69 | 18.0 | 0 | 3.8 | 3.8 | ||||
| Erie | 0.2 | 35 | 23.5 | 29 | 0 | 1.7 | 1.5 | ||
| Farrell | 75 | 19.9 | |||||||
| Florence | 1.1 | 69 | |||||||
| Fort McIntosh | 61 | 21.3 | |||||||
| Freemansburg | 1.1 | 76 | 17.3 | 0.8 | 2.4 | 3.2 | |||
| Greensburg | 70 | 21.9 | |||||||
| Harrisburg | 60 | 18.9 | |||||||
| Hershey | 70 | 19.2 | 33 | ||||||
| Holbrook | 61 | 16.0 | |||||||
| Houston | 74 | 20.6 | 0.2 | 2 | 2.2 | ||||
| Johnstown | 0.3 | 1 | 22.6 | 32 | 0.1 | 2.3 | 2.4 | ||
| Kittanning | 68 | 22.7 | |||||||
| Kutztown | 67 | ||||||||
| Lancaster | 73 | 17.6 | 27 | ||||||
| Lancaster Downwind | 65 | 17.8 | |||||||
| Lebanon | 72 | 18.6 | |||||||
| Methodist Hill | 57 | ||||||||
| Montoursville | 66 | ||||||||
| New Garden - Airport | 69 | 17.9 | |||||||
| New Milford | 28.5 | ||||||||
| Norristown | 73 | 17.8 | |||||||
| Peckville | 63 | ||||||||
| Reading Airport | 0.3 | 73 | 18.4 | ||||||
| Salladasburg | 20.0 | ||||||||
| Scranton | 0.4 | 0 | 56 | 26.4 | 39 | 0 | 8.3 | 2.1 | |
| State College | 0.7 | 67 | 19.1 | 0.7 | 2.5 | 3.2 | |||
| Strongstown | 0.2 | 68 | 22.2 | ||||||
| Swiftwater | 68 | ||||||||
| Tioga County | 65 | 26.2 | 0.2 | 0.9 | 1.1 | ||||
| Towanda | 55 | 31.1 | |||||||
| Tunkhannock | 28.1 | ||||||||
| Uniontown | 71 | 17.5 | |||||||
| Warren - Overlook | 0.2 | ||||||||
| Warren East | 1.3 | ||||||||
| Wilkes-Barre | |||||||||
| York | 1.3 | 67 | 18.0 | 0.5 | 4.3 | 4.9 | |||
| York Downwind | 66 |
| Site Name | 1-Hr SWS (mph) | 1-Hr VWS (mph) | 1-Hr VWD (degs) | 1-Hr AT (degF) | 1-Hr SR (w/m2) |
|---|---|---|---|---|---|
| Allentown | 7.2 | 6.7 | 245 | 81 | 927 |
| Altoona | 4.8 | 4.0 | 307 | 84 | 782 |
| Arendtsville | 7.1 | 6.3 | 266 | 82 | 822 |
| Beaver Falls | 3.3 | 2.5 | 296 | 84 | 837 |
| Brighton Township | 3.6 | 2.8 | 299 | 80 | 780 |
| Bristol | 5.9 | 5.0 | 251 | 85 | 925 |
| Carlisle | 7.3 | 6.8 | 235 | 80 | 883 |
| Charleroi | 4.5 | 3.4 | 223 | 82 | 890 |
| Chester | 6.0 | 5.7 | 211 | 83 | 850 |
| Erie | 2.0 | 1.7 | 338 | 68 | 303 |
| Farrell | 3.7 | 1.7 | 240 | 79 | 897 |
| Florence | 4.3 | 3.1 | 235 | 81 | 843 |
| Fort McIntosh | 4.8 | 4.5 | 219 | 81 | 823 |
| Freemansburg | 6.1 | 5.4 | 233 | 83 | 891 |
| Greensburg | 4.8 | 3.8 | 252 | 78 | 962 |
| Harrisburg | 5.6 | 5.0 | 221 | 83 | 844 |
| Hershey | 6.3 | 5.8 | 235 | 83 | 917 |
| Holbrook | 4.2 | 3.3 | 268 | 78 | 903 |
| Houston | 2.2 | 1.1 | 318 | 83 | 871 |
| Johnstown | 5.5 | 5.1 | 157 | 81 | 847 |
| Kittanning | 3.5 | 2.0 | 244 | 81 | 836 |
| Kutztown | 3.6 | 3.4 | 216 | 82 | 873 |
| Lancaster | 6.3 | 5.8 | 247 | 84 | 926 |
| Lancaster Downwind | |||||
| Lebanon | 6.0 | 5.4 | 238 | 82 | 853 |
| Methodist Hill | |||||
| Montoursville | 3.9 | 3.0 | 195 | 81 | 833 |
| New Garden - Airport | 5.7 | 4.9 | 253 | 84 | 879 |
| New Milford | 6.5 | 5.8 | 282 | 75 | 812 |
| Norristown | 5.9 | 5.4 | 240 | 84 | 921 |
| Peckville | 6.4 | 5.5 | 284 | 79 | 934 |
| Reading Airport | 8.3 | 7.9 | 260 | 82 | 928 |
| Salladasburg | 3.2 | 0.5 | 358 | 84 | 773 |
| Scranton | 3.4 | 2.8 | 283 | 82 | 831 |
| State College | 4.9 | 3.9 | 257 | 80 | 822 |
| Strongstown | 4.3 | 3.2 | 276 | 77 | 852 |
| Swiftwater | 7.2 | 6.4 | 2 | 81 | 1152 |
| Tioga County | 3.4 | 1.4 | 286 | 73 | 808 |
| Towanda | 3.1 | 2.2 | 301 | 79 | 693 |
| Tunkhannock | 7.3 | 6.3 | 289 | 76 | 924 |
| Uniontown | |||||
| Warren - Overlook | 1.0 | 0.9 | 318 | 72 | 214 |
| Warren East | 1.5 | 0.9 | 177 | 73 | 275 |
| Wilkes-Barre | 2.4 | 1.0 | 43 | 86 | 749 |
| York | 7.1 | 6.3 | 245 | 83 | 884 |
| York Downwind | 4.1 | 3.2 | 253 | 81 | 852 |
For data comparision purposes, see the National Ambient Air Quality Standards on the EPA web site.
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