Frederick Co. Public School Maint. Dept., Winchester, USA

Monitoring Station · Martinsburg, United States
3
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
35 9am
25
3
25 12pm
0
0
0 3pm
0
0
0 6pm
0
0
0 9pm
0
0
— 12am
—
—
— 3am
—
—
— 6am
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Station readings
35
3
CAMS model adj -29
54
54
54
54
27
27
27
27
27
25
25
25
25
25
25

Air Quality Trend (24h)

PM2.50.7 µg/m³ ✓ WHO
Good
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Nearby Cities

11 Martinsburg 17 Front Royal 23 Leesburg 21 Hagerstown 38 Ballenger Creek 23 Ashburn 27 Frederick 22 South Riding 23 Sterling

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-18T12:57 UTC.