Air Quality in Frederick, United States
Cloudy
21.0°C · 83.8% humidity
21.0°
Feels 21.0°
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Frederick's air quality — share it
AQI Forecast
24
12pm
24
24
18
3pm
20
21
22
6pm
23
24
24
9pm
24
25
25
12am
25
25
25
3am
25
25
25
6am
25
25
27
9am
27
25
Air Quality Index Trend
47h · 3 stnFrederick's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
83.8%
Humidity
32.7 km/h
Wind ESE
1018.7 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
4.44 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Frederick?
Temperature & Precipitation
PM2.5 Trend
47h · 3 stationsPM2.54.44 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX10.9
Extreme
What is the 7-day forecast for Frederick?
05-29
21.0° 10.2°
0.38 mm
05-30
26.7° 16.4°
7.69 mm
05-31
26.2° 7.7°
06-01
27.8° 12.6°
0.13 mm
06-02
22.7° 10.7°
06-03
25.1° 21.3°
8.31 mm
06-04
22.4° 19.6°
2.06 mm
Both models agree
Avg diff: 5.0°C
What cities are near Frederick?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T19:39 UTC.