Air Quality in Bethesda, United States

Drizzle
20.4°C · 92.4% humidity
20.4°
Feels 20.4°
16
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations

Nearby Monitoring Stations

AQI Forecast
25 2am
25
25
16 5am
19
22
24 8am
25
25
26 11am
33
26
27 2pm
27
27
27 5pm
27
27
27 8pm
34
54
54 11pm
54
54
AD 728×90

Air Quality Index Trend

47h · 3 stn

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

92.4%
Humidity
23.4 km/h
Wind SSW
1015.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
16
3.87 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Bethesda?

Temperature & Precipitation

PM2.5 Trend

47h · 3 stations
PM2.53.87 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (5 stations within 25 km)
3.87
Median
3.76
Average
3.1
Low
4.8
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +2.1

What is the 7-day forecast for Bethesda?

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: 5.6°C

Where are air quality stations near Bethesda?

34
Aurora Hills Visitor Center, Northern Virginia, USA
14.1 km PM2.5: 8.2 µg/m³
14
HU-Beltsville, Maryland, USA
20.9 km PM2.5: 3.4 µg/m³
13
NASA GSFC 1
22.5 km PM2.5: 3.2 µg/m³
16
Lee District Park - Fairfax County, Northern Virginia, USA
23.1 km PM2.5: 3.8 µg/m³
27
Howard County Near Road, Maryland, USA
28.4 km PM2.5: 6.5 µg/m³
46
Howard County Near Road, Maryland, USA
28.4 km PM2.5: 11.0 µg/m³

What cities are near Bethesda?

17 Silver Spring 15 Brightwood 19 North Bethesda 15 Petworth 15 Mount Pleasant 15 Central 14th Street / Spring Road 15 Kennedy Street 18 Wheaton 16 Takoma Park 15 Pleasant Plains
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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 2026-06-09T09:30 UTC.