Alexandra-NAQI, City of Johannesburg, South Africa Air Quality
Monitoring Station
· Alexandra, South Africa
78
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
32
11am
31
78
25
2pm
42
105
105
5pm
105
105
105
8pm
105
105
43
11pm
42
120
—
2am
—
—
—
5am
—
—
—
8am
—
—
Station readings
32
31
78
CAMS model
adj -41
66
66
66
66
83
146
146
146
146
146
146
146
84
83
161
Air Quality Forecast (24h)
PM2.524.9 µg/m³
×1.7 WHO
Moderate
Nearby Monitoring Stations
31
Alexandra-NAQI, City of Johannesburg, South Africa
15
Buccleugh-NAQI, City of Johannesburg, South Africa
44
Ivory Park, City of Johannesburg, South Africa
63
Ivory Park, City of Johannesburg, South Africa
16
south-africa-randburg-bloubosrand
57
Olifantsfontein-NAQI, City of Ekurhuleni, South Africa
47
Olifantsfontein-NAQI, City of Ekurhuleni, South Africa
55
ES_Midstream
Nearby Cities
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-29T14:35 UTC.