Air Quality in Johannesburg, South Africa

Clear
15.2°C · 48.9% humidity
15.2°
Feels 15.2°
172
Unhealthy
Everyone should reduce prolonged outdoor exertion.
6 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
78 9pm
91
91
172 12am
136
105
108 3am
99
78
74 6am
86
97
82 9am
3
2
1 12pm
1
1
1 3pm
0
0
0 6pm
0
0
Station readings
68
77
76
CAMS model adj -83
161
174
174
174
161
146
161
161
146
146
161
174
161
83
66
54
54
54
34
27
54
66
83
83
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 6.4× the WHO 24-hour guideline of 15 µg/m³.

48.9%
Humidity
34.1 km/h
Wind NNW
1023.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
172
96.05 µg/m³
PM10
113
179.9 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.596.05 µg/m³ ×6.4 WHO
Unhealthy
PM10179.9 µg/m³
Unhealthy for sensitive groups
UV INDEX0.7
Low
AD 300×250
96.05
Median
117.6
Average
22.79
Low
294.5
High
PM2.5 µg/m³ · Model: 76.82 · Bias: -19.2
06-08
17.9° 11.5°
06-09
18.9° 14.2°
06-10
18.0° 9.1°
06-11
16.5° 11.5°
06-12
17.8° 11.5°
06-13
16.6° 8.7°
06-14
21.8° 9.7°
0.06 mm
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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 2026-06-08T22:01 UTC.