Air Quality in Johannesburg, South Africa

Clear
20.4°C · 30.4% humidity
20.4°
Feels 20.4°
71
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
53 4pm
53
53
71 7pm
66
62
60 10pm
38
36
28 1am
28
54
54 4am
54
53
53 7am
53
53
53 10am
53
53
53 1pm
53
53
Station readings
50
53
56
CAMS model adj -1
54
54
54
54
54
54
54
34
34
27
27
54
54
54
54
54
54
54
54
54
54
54
54
54
AD 728×90

Air Quality Index Trend

47h · 1 stn

Johannesburg'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 Johannesburg is 1.4× the WHO 24-hour guideline of 15 µg/m³.

30.4%
Humidity
32.8 km/h
Wind NNW
1025.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
71
21.4 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Johannesburg?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.521.4 µg/m³ ×1.4 WHO
Moderate
PM1027.4 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (3 stations within 25 km)
21.4
Median
22.5
Average
11.5
Low
42.8
High
PM2.5 µg/m³ · Model: 10.85 · Bias: -10.6

What is the 7-day forecast for Johannesburg?

09-05
23.4° 15.7°
09-06
25.7° 18.7°
1.0 mm
09-07
24.0° 12.9°
0.56 mm
09-08
27.0° 14.6°
0.31 mm
09-09
23.1° 9.7°
09-10
24.9° 17.8°
0.44 mm
09-11
29.1° 13.9°
Both models agree Avg diff: 5.5°C

Where are air quality stations near Johannesburg?

108
Sandton Health department
11.8 km PM2.5: 38.3 µg/m³
39
Phefeni Senior Secondary School
14.3 km PM2.5: 9.4 µg/m³
75
Germiston Clinic
14.9 km PM2.5: 23.7 µg/m³
32
Copper college
18.3 km PM2.5: 7.8 µg/m³
56
south-africa-randburg-bloubosrand
20.7 km PM2.5: 14.4 µg/m³ PM10: 19.8 µg/m³
119
Kliprivier, City of Johannesburg, South Africa
24.6 km PM2.5: 42.8 µg/m³
96
Kliprivier, City of Johannesburg, South Africa
24.6 km PM2.5: 33.5 µg/m³

What cities are near Johannesburg?

83 Alberton 65 Alexandra 53 Randburg 60 Edenvale 83 Germiston 53 Roodepoort 83 Tokoza 258 Soweto 42 Boksburg 71 Midrand
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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 2026-09-05T17:18 UTC.