Air Quality in Clausthal-Zellerfeld, Germany
Windy
18.1°C · 49.9% humidity
18.1°
Feels 18.1°
31
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Clausthal-Zellerfeld's air quality — share it
AQI Forecast
Calibrated
29
7pm
29
29
31
10pm
32
33
34
1am
28
28
28
4am
29
29
29
7am
29
29
29
10am
29
29
27
1pm
27
27
27
4pm
27
26
Station readings
31
CAMS model
adj +2
27
27
27
34
34
34
34
27
27
27
27
27
27
27
27
27
27
27
25
25
25
25
25
24
Air Quality Index Trend
10h · 1 stnClausthal-Zellerfeld'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.
49.9%
Humidity
72.0 km/h
Wind WNW
1012.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.4 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Clausthal-Zellerfeld?
Temperature & Precipitation
PM2.5 Trend
10h · 1 stationPM2.57.4 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
7.4
Median
7.4
Average
7.4
Low
7.4
High
PM2.5 µg/m³ · Model: 7.0 · Bias: -0.4
What is the 7-day forecast for Clausthal-Zellerfeld?
07-21
25.4° 11.5°
1.19 mm
07-22
20.6° 9.4°
14.37 mm
07-23
20.0° 16.4°
4.75 mm
07-24
21.2° 13.0°
2.31 mm
07-25
26.4° 10.0°
4.75 mm
07-26
25.5° 9.2°
2.38 mm
07-27
28.9° 13.0°
0.94 mm
Both models agree
Avg diff: 3.1°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 2026-07-21T20:18 UTC.