Air Quality in Stillwater, United States

Windy
27.6°C · 45.8% humidity
27.6°
Feels 29.2°
64
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
6 stations

Nearby Monitoring Stations

AQI Forecast
24 11am
24
24
64 2pm
53
45
39 5pm
35
32
30 8pm
29
27
26 11pm
26
26
26 2am
26
25
27 5am
27
34
83 8am
84
83
AD 728×90

Air Quality Index Trend

48h · 3 stn

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. Current PM2.5 concentration in Stillwater is 1.2× the WHO 24-hour guideline of 15 µg/m³.

45.8%
Humidity
47.2 km/h
Wind S
1014.5 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
64
18.07 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Stillwater?

Temperature & Precipitation

PM2.5 Trend

48h · 3 stations
PM2.518.07 µg/m³ ×1.2 WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX12.9
Extreme
AD 300×250
Station readings (6 stations within 25 km)
18.07
Median
18.09
Average
17.06
Low
19.0
High
PM2.5 µg/m³ · Model: 9.65 · Bias: -8.4

What is the 7-day forecast for Stillwater?

07-21
27.6° 21.8°
6.94 mm
07-22
27.2° 16.5°
6.81 mm
07-23
23.0° 16.3°
07-24
27.2° 16.0°
6.81 mm
07-25
26.7° 15.8°
0.5 mm
07-26
26.6° 20.2°
2.69 mm
07-27
33.9° 16.6°
Both models agree Avg diff: 3.5°C

Where are air quality stations near Stillwater?

59
Hoyt
18.3 km PM2.5: 15.8 µg/m³
61
Larpenteur
18.5 km PM2.5: 16.7 µg/m³
62
Orange
19.0 km PM2.5: 17.1 µg/m³
63
GESCC Office
20.0 km PM2.5: 17.8 µg/m³
63
White Bear
20.1 km PM2.5: 17.7 µg/m³
30
St. Paul-Harding H.S., Minnesota, USA
21.0 km PM2.5: 7.2 µg/m³
63
Mackubin
26.1 km PM2.5: 17.8 µg/m³
64
7th
26.5 km PM2.5: 18.5 µg/m³
65
Burgess
26.5 km PM2.5: 18.7 µg/m³

What cities are near Stillwater?

64 Oakdale 64 White Bear Lake 64 Maplewood 64 Woodbury 63 Lino Lakes 65 South Saint Paul 66 Saint Paul 53 River Falls 63 Shoreview 65 Cottage Grove
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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 2026-07-21T19:47 UTC.