Air Quality in Calw, Germany
Clear
14.0°C · 46.6% humidity
14.0°
Feels 14.0°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Calw's air quality — share it
AQI Forecast
Calibrated
14
8pm
21
41
30
11pm
33
35
37
2am
38
39
40
5am
40
40
20
8am
21
41
41
11am
21
21
21
2pm
14
14
21
5pm
21
21
Station readings
41
22
28
CAMS model
adj -13
27
34
54
54
54
54
54
54
54
54
54
54
34
34
54
54
34
34
34
27
27
34
34
34
Air Quality Index Trend
14h · 1 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.
46.6%
Humidity
26.3 km/h
Wind SSW
1015.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.17 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Calw?
Temperature & Precipitation
PM2.5 Trend
14h · 1 stationPM2.57.17 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
7.17
Median
7.05
Average
6.7
Low
7.4
High
PM2.5 µg/m³ · Model: 9.75 · Bias: +2.6
What is the 7-day forecast for Calw?
07-21
29.2° 13.4°
07-22
26.5° 14.0°
1.88 mm
07-23
21.8° 17.0°
0.06 mm
07-24
21.7° 14.6°
07-25
30.6° 11.8°
4.25 mm
07-26
32.2° 12.9°
0.25 mm
07-27
27.6° 15.1°
0.25 mm
Both models agree
Avg diff: 3.6°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 2026-07-21T21:57 UTC.