Air quality in Belfast
The UK Daily Air Quality Index (DAQI) is based on particulates (PM2.5/PM10), nitrogen dioxide (NO₂) and ozone (O₃). Bands: Low 1-3, Moderate 4-6, High 7-9, Very high 10.
PM10
15.8 µg/m³
WHO limit 45
Hourly (12h)
EAQI
12:00
💨
PM2.5 7 µg/m³
27Fair
13:00
💨
PM2.5 6.8 µg/m³
26Fair
14:00
💨
PM2.5 7 µg/m³
26Fair
15:00
💨
PM2.5 6.7 µg/m³
26Fair
16:00
💨
PM2.5 6.7 µg/m³
25Fair
17:00
💨
PM2.5 7 µg/m³
24Fair
18:00
💨
PM2.5 8.1 µg/m³
22Fair
19:00
💨
PM2.5 9.8 µg/m³
20Good
20:00
💨
PM2.5 9.8 µg/m³
20Good
21:00
💨
PM2.5 9.5 µg/m³
20Good
22:00
💨
PM2.5 9.4 µg/m³
20Good
23:00
💨
PM2.5 9.6 µg/m³
21Fair
Forecast — next days
Max index per day
Sun
💨
Fair · UV Moderate
29