Air Quality in Appleton, United States
Windy
22.2°C · 86.7% humidity
22.2°
Feels 22.2°
72
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station
Nearby Monitoring Stations
Appleton's air quality — share it
AQI Forecast
Calibrated
120
5am
120
120
72
8am
86
95
102
11am
107
111
114
2pm
115
117
118
5pm
118
122
129
8pm
149
179
180
11pm
242
180
180
2am
180
180
Station readings
8h ago
AQI 33
PM2.5 7.9 µg/m³ · 8h ago
CAMS model
adj +96
24
24
24
24
24
24
24
24
24
24
24
24
24
24
27
34
54
83
84
146
84
84
84
84
Air Quality Index Trend
7h · 1 stnAppleton'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 Appleton is 1.5× the WHO 24-hour guideline of 15 µg/m³.
86.7%
Humidity
47.7 km/h
Wind SW
1015.2 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
22.1 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Appleton?
Temperature & Precipitation
PM2.5 Trend
7h · 1 stationPM2.522.1 µg/m³
×1.5 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
Station readings (1 station within 25 km)
22.1
Median
22.1
Average
22.1
Low
22.1
High
PM2.5 µg/m³ · Model: 7.0 · Bias: -15.1
What is the 7-day forecast for Appleton?
07-21
26.6° 22.2°
0.13 mm
07-22
24.9° 17.8°
4.31 mm
07-23
23.1° 17.7°
1.69 mm
07-24
26.3° 13.2°
07-25
23.3° 15.0°
3.88 mm
07-26
27.0° 20.1°
0.69 mm
07-27
24.9° 17.6°
2.44 mm
Both models agree
Avg diff: 4.4°C
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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 2026-07-21T13:17 UTC.