As of 2:20 PM EDT on August 22, 2026, out of 100 cities in Allegheny County, PA in our database, 62 cities (62%) have a UV Index reading of Moderate, while 38 cities (38%) have a UV Index reading of High. The city with the highest UV Index reading right now is Curtisville, PA with a reading of 6.4.
Over the next 24 hours, the highest UV Index reading in Allegheny County, PA is expected to be 7.2 in Bethel Park between 1:00 PM - 2:00 PM EDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |