Air Quality in Heidelberg, South Africa
Clear
14.2°C · 43.6% humidity
14.2°
Feels 14.2°
49
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Heidelberg's air quality — share it
AQI Forecast
83
7pm
83
84
49
10pm
59
66
71
1am
74
77
79
4am
80
81
81
7am
83
82
53
10am
54
54
54
1pm
54
54
54
4pm
66
84
Air Quality Index Trend
47h · 3 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.
43.6%
Humidity
18.0 km/h
Wind S
1024.4 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
47h · 3 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
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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 2026-05-28T20:17 UTC.