What is the air quality in Koster today?

The current Air Quality Index (AQI) in Koster is 52 (Moderate). PM2.5 concentration is 12.84 µg/m³.

What is the temperature in Koster right now?

The current temperature in Koster is 36.6°C (feels like 36.6°C). Humidity is 17.7% and wind speed is 58.4 km/h.

Air Quality in Koster, South Africa

Windy

36.6°C · 17.7% humidity

36.6°

Feels 36.6°

Moderate

Unusually sensitive people should consider reducing prolonged outdoor exertion.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

31h · 2 stn

View full history →

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.

17.7%

Humidity

58.4 km/h

Wind NW

1007.5 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

12.84 µg/m³

PM10

54.9 µg/m³

050100150200300500

What is the weather forecast for Koster?

Temperature & Precipitation

PM2.5 Trend

31h · 2 stations

PM2.512.84 µg/m³ ✓ WHO

Moderate

PM1054.9 µg/m³

Moderate

UV INDEX0.0

Low

What is the 7-day forecast for Koster?

11-01

36.6° 16.9°

2.44 mm

11-02

33.1° 19.1°

2.81 mm

11-03

31.1° 14.7°

0.63 mm

11-04

31.0° 13.6°

1.94 mm

11-05

28.4° 19.6°

1.19 mm

11-06

27.8° 15.6°

1.37 mm

11-07

25.8° 16.3°

1.31 mm

Both models agree Avg diff: 3.0°C

What cities are near Koster?

34 Rustenburg 59 Ventersdorp 45 Marikana 35 Carletonville 43 Hartbeestfontein-A 40 Coligny 60 Bagale 66 Lichtenburg 30 Randfontein 66 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 2026-11-01T13:06 UTC.