Air Quality in Heidelberg, Germany

Partly Cloudy
10.6°C · 69.9% humidity
10.6°
Feels 10.6°
44
Good
Air quality is satisfactory. Enjoy outdoor activities.
11 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
15 9pm
15
15
44 12am
36
30
28 3am
25
22
21 6am
20
19
18 9am
16
18
18 12pm
17
17
24 3pm
44
44
44 6pm
44
44
Station readings 14h ago
AQI 0
PM2.5 0.1 µg/m³ · 14h ago
CAMS model adj -10
25
25
25
25
25
25
27
27
27
27
27
27
27
25
27
27
27
27
34
54
54
54
54
54
AD 728×90

Air Quality Index Trend

23h · 1 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. Current PM2.5 concentration in Heidelberg is 2.1× the WHO annual guideline of 5 µg/m³.

69.9%
Humidity
14.3 km/h
Wind N
1023.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
44
10.58 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Heidelberg?

Temperature & Precipitation

PM2.5 Trend

23h · 1 station
PM2.510.58 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (11 stations within 25 km)
10.58
Median
9.66
Average
1.0
Low
11.8
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -4.7

What is the 7-day forecast for Heidelberg?

05-28
20.6° 14.9°
7.12 mm
05-29
21.7° 10.6°
05-30
15.1° 10.2°
5.87 mm
05-31
22.9° 8.9°
1.0 mm
06-01
25.9° 13.2°
0.06 mm
06-02
24.7° 15.4°
1.19 mm
06-03
18.6° 10.5°
1.19 mm
Both models agree Avg diff: 5.5°C

Where are air quality stations near Heidelberg?

52
Heidelberg, Germany
1.7 km PM2.5: 12.6 µg/m³
39
Heidelberg, Germany
1.7 km PM2.5: 9.4 µg/m³
37
Heidelberg, Germany
1.7 km PM2.5: 8.9 µg/m³
44
Wiesloch, Germany
11.9 km PM2.5: 10.6 µg/m³
–
germany-weinheim-theodor-heuss-straße
15.5 km PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³
55
Mannheim Friedrichsring, Germany
18.4 km PM2.5: 14.0 µg/m³
4
Speyer-Nord
20.3 km PM2.5: 1.0 µg/m³
15
Ludwigshafen-Mundenheim, Germany
20.5 km PM2.5: 3.6 µg/m³
25
Ludwigshafen-Mundenheim, Germany
20.5 km PM2.5: 6.0 µg/m³
59
Mannheim-Nord, Germany
22.3 km PM2.5: 15.9 µg/m³

What cities are near Heidelberg?

43 Leimen 41 Schwetzingen 45 Wiesloch 36 Hockenheim 41 Weinheim 41 Viernheim 41 Mannheim 44 Ludwigshafen am Rhein 11 Speyer 42 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 2026-05-28T22:50 UTC.