Air Quality in Caledonia, United States
Drizzle
20.1°C · 94.4% humidity
20.1°
Feels 20.1°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations
Nearby Monitoring Stations
AQI Forecast
Calibrated
23
3am
23
23
20
6am
23
23
23
9am
24
24
26
12pm
26
33
53
3pm
53
53
53
6pm
53
26
26
9pm
26
33
33
12am
53
53
Station readings
5h ago
AQI 28
PM2.5 6.6 µg/m³ · 5h ago
CAMS model
adj -1
24
24
24
24
24
24
24
25
25
27
27
34
54
54
54
54
54
27
27
27
34
34
54
54
Air Quality Index Trend
5h · 2 stnCaledonia's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
94.4%
Humidity
40.8 km/h
Wind S
1006.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
4.72 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Caledonia?
Temperature & Precipitation
PM2.5 Trend
5h · 2 stationsPM2.54.72 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (3 stations within 25 km)
4.72
Median
4.73
Average
4.1
Low
5.3
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +1.2
What is the 7-day forecast for Caledonia?
06-09
29.9° 10.5°
0.81 mm
06-10
17.4° 14.4°
27.13 mm
06-11
24.6° 12.5°
06-12
26.3° 18.0°
4.25 mm
06-13
27.5° 19.2°
5.63 mm
06-14
29.6° 14.0°
06-15
31.4° 23.7°
4.06 mm
Both models agree
Avg diff: 7.2°C
Where are air quality stations near Caledonia?
18
Milwaukee-college Ave Nr, Wisconsin, USA
21
Milwaukee-college Ave Nr, Wisconsin, USA
17
Milwaukee-college Ave Nr, Wisconsin, USA
47
Milw 16th St, Wisconsin, USA
22
Waukesha-cleveland Ave., Wisconsin, USA
53
Waukesha-cleveland Ave., Wisconsin, USA
69
Waukesha-cleveland Ave., Wisconsin, USA
What cities are near Caledonia?
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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 2026-06-09T11:45 UTC.