Air Quality in Aarau, Switzerland
Heavy Rain
15.9°C · 97.3% humidity
15.9°
Feels 15.9°
1
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Aarau's air quality — share it
AQI Forecast
Calibrated
6
7pm
6
6
1
10pm
14
15
16
1am
17
5
5
4am
6
6
6
7am
6
6
0
10am
0
0
0
1pm
0
0
0
4pm
0
0
Station readings
1
4
1
CAMS model
adj -48
54
54
54
54
66
66
66
66
54
54
54
54
54
54
54
34
27
27
27
27
27
27
27
27
Air Quality Index Trend
40h · 2 stnAarau's air quality is shaped by traffic emissions and residential heating. Pollution levels tend to peak during winter months when cold air traps emissions close to ground level.
97.3%
Humidity
57.2 km/h
Wind SE
1016.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
0.29 µg/m³
PM10▲
34.3 µg/m³
050100150200300500
What is the weather forecast for Aarau?
Temperature & Precipitation
PM2.5 Trend
40h · 2 stationsPM2.50.29 µg/m³
✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
0.29
Median
0.29
Average
0.29
Low
0.29
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +9.7
What is the 7-day forecast for Aarau?
05-29
17.2° 10.0°
11.31 mm
05-30
17.9° 8.2°
0.62 mm
05-31
24.8° 9.7°
0.25 mm
06-01
25.6° 11.7°
3.69 mm
06-02
21.5° 12.1°
3.31 mm
06-03
17.2° 7.0°
0.5 mm
06-04
23.6° 15.2°
0.25 mm
Both models agree
Avg diff: 5.2°C
Where are air quality stations near Aarau?
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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 2026-05-29T20:42 UTC.