Air Quality in Belfast, South Africa
Cloudy
8.3°C · 72.7% humidity
8.3°
Feels 5.1°
56
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Calibrated model
Nearby Monitoring Stations
Belfast's air quality — share it
AQI Forecast
54
11pm
54
54
56
2am
66
66
66
5am
66
66
66
8am
54
34
34
11am
34
34
54
2pm
54
54
54
5pm
66
66
66
8pm
66
66
Air Quality Index Trend
34h · 2 stnBelfast'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 Belfast is 2.9× the WHO annual guideline of 5 µg/m³.
72.7%
Humidity
21.6 km/h
Wind NW
1026.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
14.42 µg/m³
PM10
66.15 µg/m³
050100150200300500
What is the weather forecast for Belfast?
Temperature & Precipitation
PM2.5 Trend
34h · 2 stationsPM2.514.42 µg/m³
✓ WHO
Moderate
PM1066.15 µg/m³
Moderate
UV INDEX0.7
Low
What is the 7-day forecast for Belfast?
05-29
19.7° 4.7°
05-30
18.6° 5.3°
05-31
18.9° 6.7°
0.25 mm
06-01
17.7° 8.6°
06-02
19.9° 7.8°
06-03
20.7° 8.8°
06-04
18.8° 7.2°
1.81 mm
Both models agree
Avg diff: 2.4°C
What cities are near Belfast?
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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 2026-05-29T00:19 UTC.