What is the air quality in Olney today?

The current Air Quality Index (AQI) in Olney is 38 (Good). PM2.5 concentration is 9.13 µg/m³.

What is the temperature in Olney right now?

The current temperature in Olney is 19.6°C (feels like 19.6°C). Humidity is 55.5% and wind speed is 25.9 km/h.

Is it safe to go outside in Olney?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 2.9 (Moderate).

Air Quality in Olney, United States

Drizzle

19.6°C · 55.5% humidity

19.6°

Feels 19.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

27 3pm

38 6pm

30 9pm

27 12am

25 3am

24 6am

24 9am

24 12pm

Air Quality Index Trend

47h · 3 stn

View full history →

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. Current PM2.5 concentration in Olney is 1.8× the WHO annual guideline of 5 µg/m³.

55.5%

Humidity

25.9 km/h

Wind WNW

1019.8 hPa

Pressure

2.9

UV Moderate

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

9.13 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Olney?

Temperature & Precipitation

PM2.5 Trend

47h · 3 stations

PM2.59.13 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX2.9

Moderate

Station readings (2 stations within 25 km)

9.13

Median

9.1

Average

7.9

Low

10.3

High

PM2.5 µg/m³ · Model: 6.0 · Bias: -3.1

What is the 7-day forecast for Olney?

05-28

24.8° 21.1°

0.56 mm

05-29

23.2° 10.1°

2.25 mm

05-30

23.9° 16.0°

12.62 mm

05-31

28.5° 9.3°

06-01

29.3° 13.5°

2.94 mm

06-02

23.9° 12.4°

06-03

24.5° 19.2°

8.19 mm

Both models agree Avg diff: 3.8°C

Where are air quality stations near Olney?

Howard County Near Road, Maryland, USA

19.1 km PM2.5: 10.3 µg/m³

Howard County Near Road, Maryland, USA

19.1 km PM2.5: 6.2 µg/m³

HU-Beltsville, Maryland, USA

19.6 km PM2.5: 11.5 µg/m³

NASA GSFC 1

26.5 km PM2.5: 4.3 µg/m³

What cities are near Olney?

33 Redland 34 Cloverly 30 Aspen Hill 33 Rockville 23 Montgomery Village 23 Gaithersburg 28 Wheaton 32 Fairland 24 North Bethesda 29 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 2026-05-28T22:59 UTC.