Air Quality in Koster, South Africa
Drizzle
11.7°C · 79.1% humidity
11.7°
Feels 11.7°
32
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Koster's air quality — share it
AQI Forecast
54
11pm
34
54
32
2am
38
43
46
5am
60
62
80
8am
64
64
53
11am
53
53
54
2pm
54
54
54
5pm
54
54
54
8pm
54
54
Air Quality Index Trend
21h · 1 stnKoster'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.
79.1%
Humidity
18.2 km/h
Wind S
1021.2 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.72 µg/m³
PM10
34.3 µg/m³
050100150200300500
What is the weather forecast for Koster?
Temperature & Precipitation
PM2.5 Trend
21h · 1 stationPM2.57.72 µg/m³
✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Koster?
08-03
24.1° 7.6°
1.37 mm
08-04
24.1° 10.9°
08-05
21.7° 6.6°
08-06
22.7° 7.3°
08-07
25.7° 14.6°
08-08
20.8° 13.7°
08-09
24.1° 10.3°
Both models agree
Avg diff: 3.3°C
What cities are near Koster?
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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 2026-08-08T00:55 UTC.