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
AD 728×90

Air Quality Index Trend

46h · 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 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▲
105
37.22 µg/m³
PM10
101
154.9 µg/m³
050100150200300500

What is the weather forecast for Johannesburg?

Temperature & Precipitation

PM2.5 Trend

46h · 1 station
PM2.537.22 µg/m³ ×2.5 WHO
Unhealthy for sensitive groups
PM10154.9 µg/m³
Unhealthy for sensitive groups
UV INDEX0.7
Low
AD 300×250
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
11.8 km PM2.5: 32.6 µg/m³
131
Phefeni Senior Secondary School
14.3 km PM2.5: 47.6 µg/m³
123
Germiston Clinic
14.9 km PM2.5: 44.4 µg/m³
178
Copper college
18.3 km PM2.5: 107.4 µg/m³
68
south-africa-randburg-bloubosrand
20.7 km PM2.5: 20.1 µg/m³ PM10: 27.5 µg/m³
6
Kliprivier, City of Johannesburg, South Africa
24.6 km PM2.5: 1.4 µg/m³
114
Kliprivier, City of Johannesburg, South Africa
24.6 km PM2.5: 40.8 µg/m³

What cities are near Johannesburg?

137 Alberton 132 Alexandra 85 Randburg 111 Edenvale 137 Germiston 85 Roodepoort 137 Tokoza 156 Soweto 185 Boksburg 155 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 2026-08-08T03:09 UTC.