Air Quality in Olney, United States

Partly Cloudy
25.7°C · 57.5% humidity
25.7°
Feels 25.7°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
9 stations

Nearby Monitoring Stations

AQI Forecast
27 2pm
25
25
54 5pm
46
42
38 8pm
42
32
31 11pm
30
29
28 2am
28
26
26 5am
25
25
25 8am
25
25
24 11am
24
24
AD 728×90

Air Quality Index Trend

48h · 3 stn

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

57.5%
Humidity
16.0 km/h
Wind E
1013.7 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
54
13.74 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Olney?

Temperature & Precipitation

PM2.5 Trend

48h · 3 stations
PM2.513.74 µg/m³ ✓ WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX6.9
High
AD 300×250
Station readings (9 stations within 25 km)
13.74
Median
9.5
Average
5.8
Low
16.4
High
PM2.5 µg/m³ · Model: 16.55 · Bias: +2.8

What is the 7-day forecast for Olney?

07-21
28.4° 21.2°
07-22
28.8° 20.6°
0.38 mm
07-23
28.6° 17.8°
7.44 mm
07-24
25.0° 17.3°
0.25 mm
07-25
25.6° 20.0°
3.06 mm
07-26
26.7° 18.8°
6.06 mm
07-27
24.5° 22.2°
0.06 mm
Both models agree Avg diff: 3.2°C

Where are air quality stations near Olney?

35
Howard County Near Road, Maryland, USA
19.1 km PM2.5: 8.4 µg/m³
69
Howard County Near Road, Maryland, USA
19.1 km PM2.5: 20.7 µg/m³
57
HU-Beltsville, Maryland, USA
19.6 km PM2.5: 15.0 µg/m³
37
Center City Brightwood Campus
21.4 km PM2.5: 8.8 µg/m³
38
Friendship Ideal
21.5 km PM2.5: 9.2 µg/m³
53
Friendship Online
21.7 km PM2.5: 13.2 µg/m³
32
LAMB
22.6 km PM2.5: 7.8 µg/m³
39
Latin PCS 2nd St. Campus
22.6 km PM2.5: 9.4 µg/m³
35
Latin PCS Cooper Campus
24.0 km PM2.5: 8.4 µg/m³
35
3414 Nebraska Ave NW
24.3 km PM2.5: 8.4 µg/m³

What cities are near Olney?

57 Redland 42 Cloverly 48 Aspen Hill 52 Rockville 60 Montgomery Village 58 Gaithersburg 39 Wheaton 40 Fairland 42 North Bethesda 39 White Oak
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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 2026-07-21T21:57 UTC.