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
Upper Saint Clair's air quality — share it
AQI Forecast
24
12pm
25
25
30
3pm
29
28
27
6pm
26
28
28
9pm
27
27
27
12am
27
25
25
3am
25
25
25
6am
25
25
27
9am
25
25
Air Quality Index Trend
44h · 12 stnUpper 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
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.1 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Upper Saint Clair?
Temperature & Precipitation
PM2.5 Trend
44h · 12 stationsPM2.57.1 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX12.9
Extreme
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
27
Houston, Pennsylvania, USA
28
Parkway East, Allegheny, Pennsylvania, USA
34
Parkway East, Allegheny, Pennsylvania, USA
35
Glassport High Street, Allegheny, Pennsylvania, USA
11
Lincoln, Allegheny, Pennsylvania, USA
18
North Braddock, Allegheny, Pennsylvania, USA
35
Charleroi, Pennsylvania, USA
What cities are near Upper Saint Clair?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T19:14 UTC.