Air quality in Köln
European Air Quality Index (EAQI) based on particulates (PM2.5/PM10), nitrogen dioxide (NO₂) and ozone (O₃).
PM2.5
8.2 µg/m³
WHO limit 15
PM10
11.1 µg/m³
WHO limit 45
Hourly (12h)
EAQI
20:00
💨
PM2.5 8.2 µg/m³
55Moderate
21:00
💨
PM2.5 7.8 µg/m³
48Moderate
22:00
💨
PM2.5 6.7 µg/m³
40Fair
23:00
💨
PM2.5 7.1 µg/m³
37Fair
00:00
💨
PM2.5 7.3 µg/m³
30Fair
01:00
💨
PM2.5 7.2 µg/m³
28Fair
02:00
💨
PM2.5 7 µg/m³
23Fair
03:00
💨
PM2.5 7.2 µg/m³
19Good
04:00
💨
PM2.5 7.5 µg/m³
18Good
05:00
💨
PM2.5 7.9 µg/m³
16Good
06:00
💨
PM2.5 7.7 µg/m³
15Good
07:00
💨
PM2.5 7.9 µg/m³
17Good
5-day forecast
Max EAQI per day
Fri
💨
Poor · UV Very high
64