Air Quality in Belfast, South Africa
Clear
17.7°C · 16.7% humidity
17.7°
Feels 17.7°
67
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Calibrated model
Nearby Monitoring Stations
Belfast's air quality — share it
AQI Forecast
54
12pm
54
54
67
3pm
66
83
83
6pm
84
146
146
9pm
146
146
146
12am
146
146
146
3am
84
84
84
6am
146
146
83
9am
66
66
Air Quality Index Trend
35h · 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 1.3× the WHO 24-hour guideline of 15 µg/m³.
16.7%
Humidity
37.5 km/h
Wind SSW
1019.7 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
19.49 µg/m³
PM10
48.05 µg/m³
050100150200300500
What is the weather forecast for Belfast?
Temperature & Precipitation
PM2.5 Trend
35h · 2 stationsPM2.519.49 µg/m³
×1.3 WHO
Moderate
PM1048.05 µg/m³
Good
UV INDEX5.9
High
What is the 7-day forecast for Belfast?
07-21
17.7° 5.0°
0.38 mm
07-22
19.2° 9.5°
0.31 mm
07-23
19.5° 6.7°
07-24
22.6° 6.8°
1.81 mm
07-25
20.0° 9.3°
07-26
20.3° 7.6°
07-27
23.9° 7.7°
Both models agree
Avg diff: 2.5°C
What cities are near Belfast?
Get AQI alerts for Belfast
Notify me when air quality reaches:
Free · No account · Unsubscribe any time
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T13:21 UTC.