Air Quality in Clausthal-Zellerfeld, Germany
Partly Cloudy
16.3°C · 53.8% humidity
16.3°
Feels 16.3°
46
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Clausthal-Zellerfeld's air quality — share it
AQI Forecast
Calibrated
35
1pm
35
37
46
4pm
50
49
47
7pm
46
46
45
10pm
38
38
37
1am
35
37
44
4am
44
44
37
7am
44
44
44
10am
37
37
Station readings
43
CAMS model
adj +10
25
25
27
27
34
34
34
34
34
34
27
27
27
25
27
34
34
34
27
34
34
34
27
27
Air Quality Index Trend
4h · 2 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. Current PM2.5 concentration in Clausthal-Zellerfeld is 2.2× the WHO annual guideline of 5 µg/m³.
53.8%
Humidity
25.3 km/h
Wind WSW
1023.0 hPa
Pressure
7.9
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
11.03 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Clausthal-Zellerfeld?
Temperature & Precipitation
PM2.5 Trend
4h · 2 stationsPM2.511.03 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX7.9
Very High
Station readings (2 stations within 25 km)
11.03
Median
10.8
Average
10.1
Low
11.5
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -4.8
What is the 7-day forecast for Clausthal-Zellerfeld?
05-29
17.2° 8.0°
0.13 mm
05-30
13.6° 9.6°
0.56 mm
05-31
19.3° 6.9°
2.94 mm
06-01
21.8° 8.7°
3.69 mm
06-02
26.3° 18.4°
0.13 mm
06-03
15.3° 10.1°
5.69 mm
06-04
25.7° 17.5°
0.88 mm
Both models agree
Avg diff: 4.7°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 2026-05-29T14:30 UTC.