What is the air quality in Stillwater today?

The current Air Quality Index (AQI) in Stillwater is 43 (Good). PM2.5 concentration is 10.37 µg/m³.

What is the temperature in Stillwater right now?

The current temperature in Stillwater is 29.9°C (feels like 34.9°C). Humidity is 65.3% and wind speed is 73.4 km/h.

Is it safe to go outside in Stillwater?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 14.9 (Extreme).

Air Quality in Stillwater, United States

Drizzle

29.9°C · 65.3% humidity

29.9°

Feels 34.9°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

34 1pm

43 4pm

37 7pm

55 10pm

54 1am

54 4am

34 7am

25 10am

View AQI history for Stillwater →

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

65.3%

Humidity

73.4 km/h

Wind ENE

1007.4 hPa

Pressure

14.9

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

10.37 µg/m³

PM10

20.55 µg/m³

050100150200300500

What is the weather forecast for Stillwater?

Temperature & Precipitation

PM2.510.37 µg/m³ ✓ WHO

Good

PM1020.55 µg/m³

Good

UV INDEX14.9

Extreme

What is the 7-day forecast for Stillwater?

07-21

32.9° 24.6°

2.94 mm

07-22

34.0° 21.5°

6.5 mm

07-23

26.7° 18.0°

14.5 mm

07-24

30.2° 21.4°

07-25

33.3° 21.9°

3.19 mm

07-26

43.9° 30.3°

07-27

35.4° 24.0°

0.88 mm

Both models agree Avg diff: 3.9°C

What cities are near Stillwater?

47 Edmond 62 Ponca City 41 Enid 37 Midwest City 35 Del City 30 Oklahoma City 28 Bethany 59 Sand Springs 62 Sapulpa 40 Shawnee

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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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 2026-07-21T21:06 UTC.