Air Quality in Clausthal-Zellerfeld, Germany
Cloudy
8.0°C · 78.3% humidity
8.0°
Feels 5.7°
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Clausthal-Zellerfeld's air quality — share it
AQI Forecast
Calibrated
32
9pm
32
34
34
12am
34
34
41
3am
41
34
32
6am
32
32
32
9am
32
32
32
12pm
32
32
34
3pm
34
41
41
6pm
41
41
Station readings
10h ago
AQI 37
PM2.5 8.9 µg/m³ · 10h ago
CAMS model
adj +7
25
25
27
27
27
27
34
34
27
25
25
25
25
25
25
25
25
25
27
27
34
34
34
34
Air Quality Index Trend
47h · 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 1.6× the WHO annual guideline of 5 µg/m³.
78.3%
Humidity
13.7 km/h
Wind ENE
1023.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
8.08 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Clausthal-Zellerfeld?
Temperature & Precipitation
PM2.5 Trend
47h · 2 stationsPM2.58.08 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
8.08
Median
8.5
Average
7.2
Low
9.8
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -1.8
What is the 7-day forecast for Clausthal-Zellerfeld?
05-28
17.6° 13.9°
3.88 mm
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
Both models agree
Avg diff: 4.6°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 2026-05-28T22:55 UTC.