Houston, Pennsylvania, USA Air Quality
Monitoring Station
· Upper Saint Clair, United States
59
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
50
10pm
59
47
40
1am
40
38
38
4am
37
37
37
7am
38
38
38
10am
40
—
—
1pm
—
—
—
4pm
—
—
—
7pm
—
—
Station readings
50
59
CAMS model
adj +13
27
34
34
27
27
25
25
24
24
24
25
25
25
27
Air Quality Forecast (24h)
PM2.515.9 µg/m³
×1.1 WHO
Moderate
Nearby Monitoring Stations
Nearby Cities
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-22T01:08 UTC.