Air Quality in Upper Saint Clair, United States

Partly Cloudy
25.6°C · 66.7% humidity
25.6°
Feels 25.6°
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations

Nearby Monitoring Stations

AQI Forecast
34 3pm
34
27
34 6pm
39
38
30 9pm
29
26
26 12am
25
24
24 3am
25
25
25 6am
27
27
27 9am
25
25
25 12pm
25
25
AD 728×90

Air Quality Index Trend

41h · 3 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.

66.7%
Humidity
13.2 km/h
Wind ENE
1013.1 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
34
8.08 µg/m³
PM10▲
65
84.3 µg/m³
050100150200300500

What is the weather forecast for Upper Saint Clair?

Temperature & Precipitation

PM2.5 Trend

41h · 3 stations
PM2.58.08 µg/m³ ✓ WHO
Good
PM1084.3 µg/m³
Moderate
UV INDEX4.4
Moderate
AD 300×250
Station readings (5 stations within 25 km)
8.08
Median
8.48
Average
4.3
Low
11.5
High
PM2.5 µg/m³ · Model: 40.72 · Bias: +32.6

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

07-21
30.4° 19.2°
0.13 mm
07-22
25.6° 20.5°
0.38 mm
07-23
22.2° 15.9°
0.81 mm
07-24
23.7° 14.6°
2.38 mm
07-25
23.2° 16.2°
3.31 mm
07-26
27.6° 17.3°
4.06 mm
07-27
26.2° 21.0°
6.44 mm
Both models agree Avg diff: 3.2°C

Where are air quality stations near Upper Saint Clair?

59
Houston, Pennsylvania, USA
15.5 km PM2.5: 15.9 µg/m³
38
Houston, Pennsylvania, USA
15.5 km PM2.5: 9.1 µg/m³
48
Parkway East, Allegheny, Pennsylvania, USA
16.5 km PM2.5: 11.5 µg/m³
61
Parkway East, Allegheny, Pennsylvania, USA
16.5 km PM2.5: 16.9 µg/m³
60
Glassport High Street, Allegheny, Pennsylvania, USA
17.0 km PM2.5: 16.4 µg/m³
24
Lincoln, Allegheny, Pennsylvania, USA
19.7 km PM2.5: 5.8 µg/m³
33
North Braddock, Allegheny, Pennsylvania, USA
21.7 km PM2.5: 7.9 µg/m³
16
Charleroi, Pennsylvania, USA
26.0 km PM2.5: 3.8 µg/m³

What cities are near Upper Saint Clair?

36 Mount Lebanon 36 Bethel Park 39 Baldwin 36 Pittsburgh 44 McKeesport 42 West Mifflin 37 Wilkinsburg 42 Monroeville 37 Allison Park 40 Penn Hills
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T22:58 UTC.