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.
PM2.5
5.6 µg/m³
WHO limit 15
PM10
10.3 µg/m³
WHO limit 45
Hourly (12h)
EAQI
12:00
💨
PM2.5 5.6 µg/m³
24Fair
13:00
💨
PM2.5 5.5 µg/m³
24Fair
14:00
💨
PM2.5 5.1 µg/m³
24Fair
15:00
💨
PM2.5 4.6 µg/m³
25Fair
16:00
💨
PM2.5 3.8 µg/m³
24Fair
17:00
💨
PM2.5 3.5 µg/m³
24Fair
18:00
💨
PM2.5 3.7 µg/m³
23Fair
19:00
💨
PM2.5 3.7 µg/m³
22Fair
20:00
💨
PM2.5 3.9 µg/m³
22Fair
21:00
💨
PM2.5 4.3 µg/m³
22Fair
22:00
💨
PM2.5 4.5 µg/m³
20Good
23:00
💨
PM2.5 5 µg/m³
19Good
Forecast — next days
Max index per day
Sun
💨
Fair · UV Moderate
25
Thu
💨
Fair · UV Moderate
27