Air Quality in Heidelberg, South Africa
Partly Cloudy
11.3°C · 58.7% humidity
11.3°
Feels 11.3°
49
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Heidelberg's air quality — share it
AQI Forecast
83
8pm
84
84
49
11pm
59
66
70
2am
75
77
78
5am
80
81
82
8am
82
53
53
11am
54
54
54
2pm
54
54
66
5pm
84
146
Air Quality Index Trend
46h · 4 stnHeidelberg's air quality is influenced by vehicle emissions, biomass burning, dust, and industrial activity. Dry seasons and Harmattan winds can significantly elevate particulate pollution levels. Current PM2.5 concentration in Heidelberg is 2.4× the WHO annual guideline of 5 µg/m³.
58.7%
Humidity
16.8 km/h
Wind NNW
1025.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
11.8 µg/m³
PM10▲
79.9 µg/m³
050100150200300500
What is the weather forecast for Heidelberg?
Temperature & Precipitation
PM2.5 Trend
46h · 4 stationsPM2.511.8 µg/m³
✓ WHO
Good
PM1079.9 µg/m³
Moderate
UV INDEX0.7
Low
What is the 7-day forecast for Heidelberg?
05-28
19.1° 13.9°
05-29
20.0° 6.9°
0.06 mm
05-30
19.7° 7.4°
05-31
19.4° 7.9°
06-01
18.4° 12.3°
06-02
21.2° 8.9°
06-03
22.5° 10.1°
Both models agree
Avg diff: 3.0°C
What cities are near Heidelberg?
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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 2026-05-28T21:42 UTC.