Air quality in Letterkenny
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
3.5 µg/m³
WHO limit 15
PM10
6.9 µg/m³
WHO limit 45
Hourly (12h)
EAQI
17:00
💨
PM2.5 3.5 µg/m³
27Fair
18:00
💨
PM2.5 3.5 µg/m³
28Fair
19:00
💨
PM2.5 4 µg/m³
29Fair
20:00
💨
PM2.5 4.4 µg/m³
29Fair
21:00
💨
PM2.5 4.8 µg/m³
29Fair
22:00
💨
PM2.5 5.2 µg/m³
28Fair
23:00
💨
PM2.5 5.1 µg/m³
28Fair
00:00
💨
PM2.5 4.4 µg/m³
28Fair
01:00
💨
PM2.5 4.8 µg/m³
29Fair
02:00
💨
PM2.5 4.8 µg/m³
29Fair
03:00
💨
PM2.5 4.7 µg/m³
29Fair
04:00
💨
PM2.5 4.6 µg/m³
28Fair
Forecast — next days
Max index per day
Mon
💨
Fair · UV Moderate
22