As of 10:14 AM EDT on July 20, 2025, out of 100 cities in Allegheny County, PA in our database, 78 cities (78%) have a UV Index reading of Low, while 22 cities (22%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is McKeesport, PA with a reading of 3.7.
Over the next 24 hours, the highest UV Index reading in Allegheny County, PA is expected to be 8 in Pittsburgh between 3:00 PM - 4:00 PM EDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |