Air quality in Derry
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
3.1 µg/m³
WHO limit 15
PM10
6.2 µg/m³
WHO limit 45
Hourly (12h)
EAQI
20:00
💨
PM2.5 3.1 µg/m³
24Fair
21:00
💨
PM2.5 3.3 µg/m³
23Fair
22:00
💨
PM2.5 3.8 µg/m³
22Fair
23:00
💨
PM2.5 3.8 µg/m³
20Good
00:00
💨
PM2.5 3.8 µg/m³
18Good
01:00
💨
PM2.5 3.9 µg/m³
19Good
02:00
💨
PM2.5 3.7 µg/m³
18Good
03:00
💨
PM2.5 3.5 µg/m³
17Good
04:00
💨
PM2.5 3.5 µg/m³
18Good
05:00
💨
PM2.5 3.7 µg/m³
18Good
06:00
💨
PM2.5 3.6 µg/m³
20Good
07:00
💨
PM2.5 3.6 µg/m³
20Good
Forecast — next days
Max index per day
Thu
💨
Fair · UV Moderate
27
Fri
💨
Fair · UV Moderate
25
Sat
💨
Fair · UV Moderate
28
Sun
💨
Fair · UV Moderate
30
Mon
💨
Fair · UV Moderate
28