Air Quality in Upper Saint Clair, United States

Drizzle
26.1°C · 73.6% humidity
26.1°
Feels 26.1°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
25 1pm
25
25
30 4pm
29
28
27 7pm
28
28
28 10pm
27
27
27 1am
25
25
25 4am
25
25
25 7am
25
27
25 10am
25
25
AD 728×90

Air Quality Index Trend

44h · 7 stn

Upper Saint Clair's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

73.6%
Humidity
59.4 km/h
Wind WSW
1016.6 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
30
7.1 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Upper Saint Clair?

Temperature & Precipitation

PM2.5 Trend

44h · 7 stations
PM2.57.1 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX9.4
Very High
AD 300×250

What is the 7-day forecast for Upper Saint Clair?

05-29
26.1° 6.0°
0.62 mm
05-30
20.2° 14.4°
4.06 mm
05-31
29.1° 7.6°
06-01
31.0° 13.0°
06-02
20.2° 9.9°
06-03
24.4° 20.7°
12.06 mm
06-04
22.6° 18.5°
0.31 mm
Both models agree Avg diff: 4.6°C

Where are air quality stations near Upper Saint Clair?

17
Houston, Pennsylvania, USA
15.5 km PM2.5: 4.1 µg/m³
27
Houston, Pennsylvania, USA
15.5 km PM2.5: 6.5 µg/m³
28
Parkway East, Allegheny, Pennsylvania, USA
16.5 km PM2.5: 6.7 µg/m³
34
Parkway East, Allegheny, Pennsylvania, USA
16.5 km PM2.5: 8.2 µg/m³
35
Glassport High Street, Allegheny, Pennsylvania, USA
17.0 km PM2.5: 8.4 µg/m³
13
Lincoln, Allegheny, Pennsylvania, USA
19.7 km PM2.5: 3.1 µg/m³
18
North Braddock, Allegheny, Pennsylvania, USA
21.7 km PM2.5: 4.3 µg/m³
33
Charleroi, Pennsylvania, USA
26.0 km PM2.5: 7.9 µg/m³

What cities are near Upper Saint Clair?

30 Mount Lebanon 30 Bethel Park 30 Baldwin 30 Pittsburgh 30 McKeesport 30 West Mifflin 30 Wilkinsburg 29 Monroeville 26 Allison Park 26 Penn Hills
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T20:37 UTC.