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
2.1 µg/m³
WHO limit 15
PM10
3.3 µg/m³
WHO limit 45
Hourly (12h)
EAQI
10:00
💨
PM2.5 2.1 µg/m³
20Good
11:00
💨
PM2.5 1.9 µg/m³
23Fair
12:00
💨
PM2.5 2 µg/m³
25Fair
13:00
💨
PM2.5 2.2 µg/m³
26Fair
14:00
💨
PM2.5 2.3 µg/m³
26Fair
15:00
💨
PM2.5 2.4 µg/m³
26Fair
16:00
💨
PM2.5 2.3 µg/m³
26Fair
17:00
💨
PM2.5 2.4 µg/m³
24Fair
18:00
💨
PM2.5 2.4 µg/m³
24Fair
19:00
💨
PM2.5 2.5 µg/m³
24Fair
20:00
💨
PM2.5 2.9 µg/m³
23Fair
21:00
💨
PM2.5 3.3 µg/m³
21Fair
Forecast — next days
Max index per day
Thu
💨
Fair · UV Moderate
26
Fri
💨
Fair · UV Moderate
27
Sat
💨
Fair · UV Moderate
28
Sun
💨
Fair · UV Moderate
34
Mon
💨
Fair · UV Moderate
34