Worst now
Pennsylvania air quality today
Pittsburgh Pennsylvania198
UnhealthyUS AQI
Outdoor workers carry the heaviest dose at this level, hour after hour
Updated · AirNow
6 cities in Pennsylvania are reporting. Median US AQI 37 (Good). Pittsburgh is at 198 (Unhealthy); State College is cleanest at 18.
- Good 4
- Moderate 1
- Unhealthy 1
| # | City | US AQI |
|---|---|---|
| 1 | Pittsburgh | 198 |
| 2 | Philadelphia | 62 |
| 3 | Allentown | 38 |
| 4 | Altoona | 36 |
| 5 | Erie | 21 |
| 6 | State College | 18 |
Updated 9:40 am ET. Source: US EPA AirNow.