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
83
8pm
69
72
72
11pm
72
79
72
2am
72
72
72
5am
72
72
72
8am
70
—
—
11am
—
—
—
2pm
—
—
—
5pm
—
—
Station readings
83
69
CAMS model
adj +45
25
25
27
27
27
34
27
27
27
27
27
27
27
25
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 2026-07-21T23:13 UTC.