Air Quality in Adelphi, United States

Windy
14.0°C · 65.1% humidity
14.0°
Feels 14.0°
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast
25 11pm
25
25
21 2am
25
25
25 5am
25
25
25 8am
27
27
34 11am
34
34
34 2pm
27
27
27 5pm
27
27
27 8pm
34
34
AD 728×90

Air Quality Index Trend

47h · 2 stn

Adelphi's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

65.1%
Humidity
51.9 km/h
Wind WNW
1004.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
21
5.1 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Adelphi?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.55.1 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (4 stations within 25 km)
5.1
Median
4.52
Average
3.38
Low
7.2
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +0.9

What is the 7-day forecast for Adelphi?

06-09
31.5° 14.0°
0.25 mm
06-10
33.2° 23.7°
4.25 mm
06-11
25.5° 15.2°
06-12
28.7° 17.7°
2.12 mm
06-13
29.5° 22.1°
1.0 mm
06-14
25.3° 19.9°
3.13 mm
06-15
25.2° 14.6°
0.69 mm
Both models agree Avg diff: 5.8°C

Where are air quality stations near Adelphi?

21
HU-Beltsville, Maryland, USA
9.9 km PM2.5: 5.0 µg/m³
14
NASA GSFC 1
11.5 km PM2.5: 3.4 µg/m³
49
Aurora Hills Visitor Center, Northern Virginia, USA
17.9 km PM2.5: 11.8 µg/m³
42
Howard County Near Road, Maryland, USA
19.0 km PM2.5: 10.1 µg/m³
45
Howard County Near Road, Maryland, USA
19.0 km PM2.5: 10.8 µg/m³

What cities are near Adelphi?

20 Langley Park 20 College Park 19 Takoma Park 22 White Oak 18 Chillum 20 Silver Spring 18 Hyattsville 18 Kennedy Street 27 Beltsville 18 Brightwood
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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 2026-06-09T06:47 UTC.