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

Which pollutant is driving the AQI?

PM2.5▲
165
81.89 µg/m³
PM10
101
154.9 µg/m³
050100150200300500

What is the weather forecast for Johannesburg?

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
Station readings (4 stations within 25 km)
81.89
Median
66.29
Average
10.8
Low
224.2
High
PM2.5 µg/m³ · Model: 53.7 · Bias: -28.2

What is the 7-day forecast for Johannesburg?

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°
Both models agree Avg diff: 3.3°C

Where are air quality stations near Johannesburg?

11
Alexandra-NAQI, City of Johannesburg, South Africa
12.5 km PM2.5: 2.6 µg/m³
7
Alexandra-NAQI, City of Johannesburg, South Africa
12.5 km PM2.5: 1.7 µg/m³
9
Jabavu-NAQI, City of Johannesburg, South Africa
18.0 km PM2.5: 2.2 µg/m³
70
Buccleugh-NAQI, City of Johannesburg, South Africa
18.3 km PM2.5: 21.1 µg/m³
24
Davidsonville, City of Johannesburg, South Africa
20.1 km PM2.5: 5.8 µg/m³
60
south-africa-randburg-bloubosrand
20.7 km PM2.5: 16.3 µg/m³ PM10: 26.6 µg/m³
127
Kliprivier, City of Johannesburg, South Africa
24.6 km PM2.5: 46.1 µg/m³
23
Kliprivier, City of Johannesburg, South Africa
24.6 km PM2.5: 5.5 µg/m³
62
Kliprivier, City of Johannesburg, South Africa
24.6 km PM2.5: 17.3 µg/m³
53
Ivory Park, City of Johannesburg, South Africa
28.3 km PM2.5: 13.1 µg/m³

What cities are near Johannesburg?

164 Alberton 120 Alexandra 114 Randburg 146 Edenvale 45 Germiston 79 Roodepoort 45 Tokoza 268 Soweto 169 Boksburg 131 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 2026-05-28T21:42 UTC.