Worst air pollution Roodepoort, today and tomorrow
Today (16 July): Air quality in Roodepoort is very poor. AQI, SO2, and PM1 are very poor; PM2.5 and HCHO are poor; O3 is fair; PM10 and NO2 are medium; CO is good. Pollution peaks around 10:00 PM (SO2: 100/100).
Tomorrow (17 July 2026): Air quality in Roodepoort is very poor. NO2 increases to poor; O3 decreases to medium; all other pollutants stay as today. Pollution peaks around 12:00 AM (SO2: 100/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Roodepoort's air quality reflects its position in the western Johannesburg metropolitan corridor, with vehicle traffic on the N14 and the surrounding mixed residential and industrial character generating elevated PM2.5 alongside the Highveld's winter inversion problem. Gold mining legacy dust from the surrounding West Rand mine dumps contributes elevated heavy metal particulates under strong westerly winds, while the elevated 1,700-metre plateau position aids background dispersal on windy days.
Today - 16 July | Pollution peaks at 22:00
AQI:
Very poor
100/100
PM2.5 (fine particles):
Poor
68.0/100
PM10 (coarse particles):
Medium
40.3/100
NO2 (nitrogen dioxide):
Medium
48.1/100
O3 (ozone):
Fair
31.5/100
SO2 (sulfur dioxide):
Very poor
100/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Poor
69.6/100
PM1 (ultrafine particles):
Very poor
80.7/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 00:00
AQI:
Very poor
100/100
PM2.5 (fine particles):
Poor
75.0/100
PM10 (coarse particles):
Medium
42.8/100
NO2 (nitrogen dioxide):
Poor
65.1/100
O3 (ozone):
Medium
41.6/100
SO2 (sulfur dioxide):
Very poor
100/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Poor
76.8/100
PM1 (ultrafine particles):
Very poor
88.4/100
Pollen forecast in Roodepoort
View pollen forecastFrequently Asked Questions
Is air quality bad in Roodepoort right now?
On 16 July 2026, overall air quality in Roodepoort is very poor. AQI is the main air quality indicator at 100/100. Pollution peaks around 10:00 PM (SO2: 100/100).
Will air quality be worse tomorrow in Roodepoort?
On 17 July 2026, air quality conditions in Roodepoort will be similar to today, with AQI forecast at very poor at 100/100. Pollution peaks around 12:00 AM (SO2: 100/100).
When is air pollution at its worst in Roodepoort?
At Roodepoort, the poorest air quality usually occurs on still winter mornings from May to August, when smoke and vehicle emissions accumulate under a low temperature inversion typical of the Highveld plateau. From November onward, summer rains and afternoon winds generally restore clearer conditions that last through much of the warmer part of the year.
Are air quality levels in Roodepoort based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
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Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
For long term forecasts and maps, see the Airmine app