Arbor Air Quality
Monitoring Station
· West Saint Paul, United States
73
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
70
7pm
72
73
67
10pm
67
67
70
1am
70
68
68
4am
68
68
68
7am
68
68
—
10am
—
—
—
1pm
—
—
—
4pm
—
—
Station readings
70
72
73
CAMS model
adj +43
24
24
24
24
24
24
27
27
25
25
25
25
25
25
25
Air Quality Forecast (24h)
PM2.522.4 µg/m³
×1.5 WHO
Moderate
Nearby Monitoring Stations
Nearby Cities
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T22:43 UTC.