Air Quality in Severn, United States
Drizzle
21.6°C · 48.5% humidity
21.6°
Feels 21.6°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations
Nearby Monitoring Stations
AQI Forecast
25
5pm
25
25
23
8pm
27
27
25
11pm
25
24
24
2am
24
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—
5am
—
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8am
—
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11am
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24
2pm
24
24
Air Quality Index Trend
47h · 5 stnSevern's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Severn is 1.1× the WHO annual guideline of 5 µg/m³.
48.5%
Humidity
14.4 km/h
Wind NW
1019.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.57 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Severn?
Temperature & Precipitation
PM2.5 Trend
47h · 5 stationsPM2.55.57 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (3 stations within 25 km)
5.57
Median
6.23
Average
3.1
Low
9.6
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +0.7
What is the 7-day forecast for Severn?
05-29
22.6° 11.7°
2.63 mm
05-30
26.2° 13.1°
14.25 mm
05-31
30.1° 12.4°
06-01
30.0° 15.0°
4.56 mm
06-02
25.6° 15.7°
06-03
27.0° 19.7°
4.81 mm
06-04
23.1° 20.5°
0.06 mm
Both models agree
Avg diff: 4.2°C
Where are air quality stations near Severn?
27
Howard County Near Road, Maryland, USA
26
Howard County Near Road, Maryland, USA
9
HU-Beltsville, Maryland, USA
18
NASA GSFC 1
What cities are near Severn?
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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 2026-05-29T00:10 UTC.