Air Quality in Heidelberg, Germany

Clear
19.3°C · 39.3% humidity
19.3°
Feels 19.3°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
12 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
20 11am
25
29
25 2pm
21
21
21 5pm
21
21
22 8pm
22
24
24 11pm
24
24
31 2am
31
31
31 5am
31
31
31 8am
31
31
Station readings
20
25
29
24
CAMS model adj -3
25
25
25
25
24
24
24
24
24
25
25
27
27
27
27
34
34
34
34
34
34
34
34
34
AD 728×90

Air Quality Index Trend

48h · 5 stn

Heidelberg'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.

39.3%
Humidity
25.7 km/h
Wind WNW
1021.3 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
25
6.01 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

48h · 5 stations
PM2.56.01 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX12.9
Extreme
AD 300×250
6.01
Median
5.89
Average
1.0
Low
10.3
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -0.1
09-05
19.3° 11.9°
2.94 mm
09-06
20.1° 13.1°
17.56 mm
09-07
21.0° 11.0°
6.25 mm
09-08
21.6° 13.4°
1.94 mm
09-09
18.9° 10.3°
0.81 mm
09-10
24.1° 10.6°
1.19 mm
09-11
17.3° 9.8°
1.69 mm
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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 2026-09-05T12:46 UTC.