Air Quality in Heidelberg, Germany

Clear
22.1°C · 37.0% humidity
22.1°
Feels 22.1°
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
6 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
9 4pm
9
40
40 7pm
33
48
45 10pm
42
41
39 1am
38
38
37 4am
37
37
36 7am
36
36
36 10am
36
36
36 1pm
36
16
Station readings
40
CAMS model adj -18
27
27
34
34
34
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
34
AD 728×90

Air Quality Index Trend

34h · 3 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.

37.0%
Humidity
7.8 km/h
Wind NW
1013.7 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
40
9.52 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Heidelberg?

Temperature & Precipitation

PM2.5 Trend

34h · 3 stations
PM2.59.52 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (6 stations within 25 km)
9.52
Median
7.53
Average
3.0
Low
9.8
High
PM2.5 µg/m³ · Model: 7.1 · Bias: -2.4

What is the 7-day forecast for Heidelberg?

07-21
30.3° 13.3°
07-22
26.8° 14.7°
3.0 mm
07-23
21.4° 19.2°
0.88 mm
07-24
23.8° 15.2°
07-25
30.3° 12.9°
0.94 mm
07-26
33.3° 13.2°
0.06 mm
07-27
28.1° 16.2°
0.31 mm
Both models agree Avg diff: 2.8°C

Where are air quality stations near Heidelberg?

61
Heidelberg, Germany
1.7 km PM2.5: 16.9 µg/m³
65
Heidelberg, Germany
1.7 km PM2.5: 18.8 µg/m³
13
Heidelberg, Germany
1.7 km PM2.5: 3.1 µg/m³
13
Wiesloch, Germany
11.9 km PM2.5: 3.1 µg/m³
–
germany-weinheim-theodor-heuss-straße
15.5 km PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³
29
Mannheim Friedrichsring, Germany
18.4 km PM2.5: 7.0 µg/m³
12
Speyer-Nord
20.3 km PM2.5: 3.0 µg/m³
30
Ludwigshafen-Mundenheim, Germany
20.5 km PM2.5: 7.2 µg/m³
119
Ludwigshafen-Mundenheim, Germany
20.5 km PM2.5: 42.8 µg/m³
34
Mannheim-Nord, Germany
22.3 km PM2.5: 8.2 µg/m³

What cities are near Heidelberg?

38 Leimen 32 Schwetzingen 41 Wiesloch 28 Hockenheim 35 Weinheim 33 Viernheim 22 Mannheim 34 Ludwigshafen am Rhein 15 Speyer 31 Gartenstadt
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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 2026-07-21T17:19 UTC.