Air Quality in Calw, Germany
Cloudy
10.0°C · 70.7% humidity
10.0°
Feels 10.0°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Calw's air quality — share it
AQI Forecast
27
11pm
34
34
23
2am
26
28
30
5am
24
25
24
8am
24
26
26
11am
27
27
27
2pm
34
34
54
5pm
54
54
54
8pm
54
54
Air Quality Index Trend
48h · 12 stnCalw'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. Current PM2.5 concentration in Calw is 1.1× the WHO annual guideline of 5 µg/m³.
70.7%
Humidity
18.5 km/h
Wind WSW
1023.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.5 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Calw?
Temperature & Precipitation
PM2.5 Trend
48h · 12 stationsPM2.55.5 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
5.5
Median
5.5
Average
5.5
Low
5.5
High
PM2.5 µg/m³ · Model: 7.0 · Bias: +1.5
What is the 7-day forecast for Calw?
05-29
18.5° 10.0°
2.75 mm
05-30
11.6° 8.4°
5.87 mm
05-31
21.1° 8.3°
1.0 mm
06-01
21.8° 12.0°
2.56 mm
06-02
21.9° 14.4°
1.81 mm
06-03
14.6° 8.7°
0.88 mm
06-04
22.0° 16.4°
0.38 mm
Both models agree
Avg diff: 5.0°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 2026-05-29T00:11 UTC.