As of 1:52 PM EDT on May 13, 2026, out of 100 cities in Allegheny County, PA in our database, 91 cities (91%) have a UV Index reading of Low, while 9 cities (9%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is McKeesport, PA with a reading of 3.1.
Over the next 24 hours, the highest UV Index reading in Allegheny County, PA is expected to be 6.2 in Bakerstown between 2:00 PM - 3:00 PM EDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |