Air Quality in Johannesburg, South Africa
Drizzle
13.0°C · 59.4% humidity
13.0°
Feels 13.0°
105
Unhealthy for sensitive groups
Sensitive groups should reduce prolonged outdoor exertion.
2 stations
Nearby Monitoring Stations
AQI Forecast
Calibrated
81
2am
81
81
105
5am
113
108
105
8am
87
24
21
11am
20
20
19
2pm
2
2
1
5pm
19
81
96
8pm
96
109
109
11pm
109
109
Station readings
70
68
CAMS model
adj -65
146
146
146
146
161
161
161
146
84
83
83
83
83
66
66
66
84
146
161
161
174
174
174
174
Air Quality Index Trend
46h · 1 stnJohannesburg'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 2.5× the WHO 24-hour guideline of 15 µg/m³.
59.4%
Humidity
38.8 km/h
Wind N
1020.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
37.22 µg/m³
PM10
154.9 µg/m³
050100150200300500
What is the weather forecast for Johannesburg?
Temperature & Precipitation
PM2.5 Trend
46h · 1 stationPM2.537.22 µg/m³
×2.5 WHO
Unhealthy for sensitive groups
PM10154.9 µg/m³
Unhealthy for sensitive groups
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
37.22
Median
39.08
Average
28.05
Low
50.1
High
PM2.5 µg/m³ · Model: 53.7 · Bias: +16.5
What is the 7-day forecast for Johannesburg?
08-03
21.5° 10.8°
0.62 mm
08-04
21.4° 10.4°
08-05
20.1° 5.7°
08-06
20.4° 8.8°
08-07
23.8° 12.8°
0.62 mm
08-08
19.9° 16.0°
08-09
21.2° 10.7°
Both models agree
Avg diff: 4.2°C
Where are air quality stations near Johannesburg?
94
Sandton Health department
131
Phefeni Senior Secondary School
123
Germiston Clinic
178
Copper college
68
south-africa-randburg-bloubosrand
6
Kliprivier, City of Johannesburg, South Africa
114
Kliprivier, City of Johannesburg, South Africa
What cities are near Johannesburg?
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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 2026-08-08T03:09 UTC.