Air Quality in Johannesburg, South Africa

Clear
13.8°C · 47.8% humidity
13.8°
Feels 13.8°
165
Unhealthy
Everyone should reduce prolonged outdoor exertion.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
22 8pm
84
84
165 11pm
142
126
114 2am
105
99
95 5am
92
90
88 8am
25
6
1 11am
1
1
1 2pm
0
0
21 5pm
84
84
Station readings
57
60
62
60
CAMS model adj -62
84
146
146
146
146
146
146
146
146
146
146
146
146
84
66
54
54
54
54
54
54
83
146
146
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 16.4× 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
165
81.89 µg/m³
PM10
101
154.9 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.581.89 µg/m³ ×5.5 WHO
Unhealthy
PM10154.9 µg/m³
Unhealthy for sensitive groups
UV INDEX0.7
Low
AD 300×250
81.89
Median
66.29
Average
10.8
Low
224.2
High
PM2.5 µg/m³ · Model: 53.7 · Bias: -28.2
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 2026-05-28T21:42 UTC.