Air Quality in Ellicott City, United States
Windy
13.5°C · 64.4% humidity
13.5°
Feels 13.5°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Ellicott City's air quality — share it
AQI Forecast
25
1am
25
25
26
4am
25
25
25
7am
25
27
27
10am
34
34
34
1pm
34
27
27
4pm
27
27
27
7pm
27
34
34
10pm
54
54
Air Quality Index Trend
47h · 5 stnEllicott City's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
64.4%
Humidity
53.4 km/h
Wind WNW
1004.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.21 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Ellicott City?
Temperature & Precipitation
PM2.5 Trend
47h · 5 stationsPM2.56.21 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
6.21
Median
5.75
Average
4.8
Low
6.7
High
PM2.5 µg/m³ · Model: 6.0 · Bias: -0.2
What is the 7-day forecast for Ellicott City?
06-09
30.5° 13.5°
0.5 mm
06-10
31.6° 22.7°
5.12 mm
06-11
25.3° 15.9°
06-12
28.3° 17.4°
1.06 mm
06-13
27.0° 22.0°
1.19 mm
06-14
27.7° 19.2°
4.25 mm
06-15
26.6° 15.5°
0.88 mm
Both models agree
Avg diff: 4.9°C
Where are air quality stations near Ellicott City?
61
Howard County Near Road, Maryland, USA
46
Howard County Near Road, Maryland, USA
21
HU-Beltsville, Maryland, USA
38
Padonia, Maryland, USA
What cities are near Ellicott City?
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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 2026-06-09T08:24 UTC.