What is the air quality in Calw today?

The current Air Quality Index (AQI) in Calw is 33 (Good). PM2.5 concentration is 7.9 µg/m³.

What is the temperature in Calw right now?

The current temperature in Calw is 11.9°C (feels like 11.9°C). Humidity is 76.5% and wind speed is 17.2 km/h.

Is it safe to go outside in Calw?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Calw, Germany

Cloudy

11.9°C · 76.5% humidity

11.9°

Feels 11.9°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

3h · 2 stn

View full history →

Calw'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.

76.5%

Humidity

17.2 km/h

Wind SE

1022.1 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.9 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Calw?

Temperature & Precipitation

PM2.5 Trend

3h · 2 stations

PM2.57.9 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (1 station within 25 km)

7.9

Median

7.9

Average

7.9

Low

7.9

High

PM2.5 µg/m³ · Model: 5.8 · Bias: -2.1

What is the 7-day forecast for Calw?

10-21

11.9° 1.2°

10-22

17.0° 6.7°

2.12 mm

10-23

6.6° 3.3°

2.31 mm

10-24

8.0° 4.2°

0.62 mm

10-25

16.8° 1.9°

10-26

9.3° 4.3°

0.13 mm

10-27

13.4° 2.6°

Both models agree Avg diff: 3.3°C

Where are air quality stations near Calw?

Gärtringen, Germany

14.3 km PM2.5: 10.1 µg/m³

Tübingen Mühlstraße, Germany

31.8 km PM2.5: 12.1 µg/m³

What cities are near Calw?

39 Weil der Stadt 43 Renningen 35 Herrenberg 38 Nagold 36 Pforzheim 41 Böblingen 41 Sindelfingen 48 Leonberg 49 Gerlingen 54 Mühlacker

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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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 2026-10-21T10:06 UTC.