Howard County Near Road, Maryland, USA Air Quality
Monitoring Station
· Scaggsville, United States
69
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
70
6pm
70
83
69
9pm
72
72
72
12am
79
72
72
3am
72
72
72
6am
72
72
—
9am
—
—
—
12pm
—
—
—
3pm
—
—
Station readings
83
69
CAMS model
adj +45
25
25
25
25
27
27
27
34
27
27
27
27
27
27
27
Air Quality Forecast (24h)
PM2.520.7 µg/m³
×1.4 WHO
Moderate
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T21:53 UTC.