Air Quality in Koster, South Africa

Partly Cloudy
12.3°C · 60.2% humidity
12.3°
Feels 12.3°
32
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast
34 8pm
34
34
32 11pm
54
54
54 2am
54
54
54 5am
54
54
54 8am
54
34
34 11am
34
34
34 2pm
54
54
54 5pm
54
54
AD 728×90

Air Quality Index Trend

42h · 3 stn

Koster'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 Koster is 1.6× the WHO annual guideline of 5 µg/m³.

60.2%
Humidity
12.4 km/h
Wind W
1024.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
32
7.81 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Koster?

Temperature & Precipitation

PM2.5 Trend

42h · 3 stations
PM2.57.81 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250

What is the 7-day forecast for Koster?

05-28
18.4° 13.5°
4.31 mm
05-29
20.5° 12.0°
0.25 mm
05-30
22.4° 12.5°
05-31
21.0° 10.7°
06-01
20.4° 12.8°
06-02
22.4° 13.8°
06-03
24.0° 13.9°
Both models agree Avg diff: 2.9°C

What cities are near Koster?

54 Rustenburg 17 Ventersdorp 116 Marikana 28 Carletonville 43 Hartbeestfontein-A 50 Coligny 54 Bagale 56 Lichtenburg 173 Randfontein 56 Zeerust
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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.