Air Quality in Johannesburg, South Africa

Clear
13.8°C · 47.8% humidity
13.8°
Feels 13.8°
67
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
6 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
79 9pm
79
79
67 12am
70
73
75 3am
76
77
77 6am
78
78
16 9am
0
0
0 12pm
0
0
0 3pm
0
16
79 6pm
79
94
Station readings
60
62
60
63
CAMS model adj -67
146
146
146
146
146
146
146
146
146
146
146
146
84
66
54
54
54
54
54
54
83
146
146
161
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 4.0× the WHO annual guideline of 5 µg/m³.

47.8%
Humidity
21.1 km/h
Wind NNW
1024.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
67
19.87 µg/m³
PM10
101
154.9 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.519.87 µg/m³ ×1.3 WHO
Moderate
PM10154.9 µg/m³
Unhealthy for sensitive groups
UV INDEX0.7
Low
AD 300×250
19.87
Median
18.95
Average
7.2
Low
53.0
High
PM2.5 µg/m³ · Model: 53.7 · Bias: +33.8
05-28
18.2° 14.9°
05-29
19.4° 8.4°
0.13 mm
05-30
20.0° 10.6°
05-31
19.4° 11.1°
06-01
17.5° 14.9°
06-02
20.8° 11.6°
06-03
22.1° 13.3°
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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 2026-05-28T22:55 UTC.