Air Quality in Bielefeld, Germany
Windy
19.0°C · 45.0% humidity
19.0°
Feels 19.0°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Bielefeld's air quality — share it
AQI Forecast
Calibrated
12
9am
12
14
25
12pm
21
19
17
3pm
15
16
14
6pm
15
15
15
9pm
14
14
14
12am
14
14
14
3am
14
14
14
6am
21
21
Station readings
5h ago
AQI 4
PM2.5 1.0 µg/m³ · 5h ago
CAMS model
adj -13
25
25
27
25
25
25
25
25
27
25
27
27
27
27
27
27
27
27
27
27
27
27
34
34
Air Quality Index Trend
11h · 1 stnBielefeld'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.
45.0%
Humidity
56.2 km/h
Wind W
1020.6 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.0 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Bielefeld?
Temperature & Precipitation
PM2.5 Trend
11h · 1 stationPM2.56.0 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX9.4
Very High
What is the 7-day forecast for Bielefeld?
09-05
19.0° 9.7°
09-06
20.8° 13.5°
3.12 mm
09-07
17.5° 12.9°
13.25 mm
09-08
20.0° 13.4°
3.56 mm
09-09
14.7° 9.8°
2.69 mm
09-10
20.8° 12.4°
09-11
17.0° 8.8°
1.75 mm
Both models agree
Avg diff: 2.4°C
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T10:55 UTC.