Air Quality in Upper Saint Clair, United States

Windy
26.3°C · 31.4% humidity
26.3°
Feels 26.3°
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
34 11pm
34
34
42 2am
33
31
28 5am
27
27
26 8am
28
28
27 11am
27
27
27 2pm
27
27
27 5pm
27
27
27 8pm
34
34
AD 728×90

Air Quality Index Trend

41h · 1 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.

31.4%
Humidity
46.6 km/h
Wind NNW
1013.7 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
42
10.0 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Upper Saint Clair?

Temperature & Precipitation

PM2.5 Trend

41h · 1 station
PM2.510.0 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX1.4
Low
AD 300×250

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

08-03
26.3° 19.2°
8.0 mm
08-04
32.0° 17.8°
0.69 mm
08-05
33.6° 15.7°
8.38 mm
08-06
31.1° 18.1°
1.06 mm
08-07
28.1° 17.9°
1.81 mm
08-08
32.5° 20.2°
6.81 mm
08-09
35.1° 22.3°
Both models agree Avg diff: 3.1°C

Where are air quality stations near Upper Saint Clair?

39
Houston, Pennsylvania, USA
15.5 km PM2.5: 9.4 µg/m³
30
Houston, Pennsylvania, USA
15.5 km PM2.5: 7.2 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
43
Glassport High Street, Allegheny, Pennsylvania, USA
17.0 km PM2.5: 10.3 µg/m³
32
Lincoln, Allegheny, Pennsylvania, USA
19.7 km PM2.5: 7.7 µg/m³
41
Lincoln, Allegheny, Pennsylvania, USA
19.7 km PM2.5: 9.8 µg/m³
25
North Braddock, Allegheny, Pennsylvania, USA
21.7 km PM2.5: 6.0 µg/m³
26
Charleroi, Pennsylvania, USA
26.0 km PM2.5: 6.2 µg/m³

What cities are near Upper Saint Clair?

42 Mount Lebanon 42 Bethel Park 42 Baldwin 42 Pittsburgh 42 McKeesport 42 West Mifflin 42 Wilkinsburg 42 Monroeville 42 Allison Park 42 Penn Hills
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T06:29 UTC.