Worst air pollution Bloemfontein, today and tomorrow
Today (16 July): Air quality in Bloemfontein is fair. PM2.5, O3, HCHO, and PM1 are fair; AQI, NO2, and SO2 are medium; PM10 and CO are good. Pollution peaks around 10:00 PM (SO2: 51.5/100).
Tomorrow (17 July 2026): Air quality in Bloemfontein is fair. All pollutants stay as today. Pollution peaks around 11:00 PM (SO2: 57.9/100). 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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Bloemfontein's air quality reflects its position on the high Free State plateau at 1,395 metres, with vehicle traffic on the N1 and N8 highways and the surrounding light industrial and manufacturing activity contributing the primary local sources. The elevated semi-arid Highveld position aids background dispersal on most days, while winter temperature inversions can concentrate residential heating and vehicle emissions under cold clear night conditions across this flat interior South African plateau city.
Today - 16 July | Pollution peaks at 22:00
AQI:
Medium
51.5/100
PM2.5 (fine particles):
Fair
26.5/100
PM10 (coarse particles):
Good
7.3/100
NO2 (nitrogen dioxide):
Medium
45.7/100
O3 (ozone):
Fair
24.1/100
SO2 (sulfur dioxide):
Medium
51.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Fair
21.0/100
PM1 (ultrafine particles):
Fair
33.8/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 23:00
AQI:
Medium
57.9/100
PM2.5 (fine particles):
Fair
27.2/100
PM10 (coarse particles):
Good
7.5/100
NO2 (nitrogen dioxide):
Medium
49.8/100
O3 (ozone):
Fair
26.6/100
SO2 (sulfur dioxide):
Medium
57.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Fair
21.0/100
PM1 (ultrafine particles):
Fair
34.4/100
Pollen forecast in Bloemfontein
View pollen forecastFrequently Asked Questions
Is air quality bad in Bloemfontein right now?
On 16 July 2026, overall air quality in Bloemfontein is fair. PM1 is the main pollutant at 33.8/100. Pollution peaks around 10:00 PM (SO2: 51.5/100).
Will air quality be worse tomorrow in Bloemfontein?
On 17 July 2026, air quality conditions in Bloemfontein will be similar to today, with PM1 forecast at fair at 34.4/100. Pollution peaks around 11:00 PM (SO2: 57.9/100).
When is air pollution at its worst in Bloemfontein?
At Bloemfontein, 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 Bloemfontein 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