Air quality in Köln
European Air Quality Index (EAQI) based on particulates (PM2.5/PM10), nitrogen dioxide (NO₂) and ozone (O₃).
PM2.5
8.8 µg/m³
WHO limit 15
PM10
14.7 µg/m³
WHO limit 45
Hourly (12h)
EAQI
11:00
💨
PM2.5 8.8 µg/m³
24Fair
12:00
💨
PM2.5 6.9 µg/m³
26Fair
13:00
💨
PM2.5 6.9 µg/m³
28Fair
14:00
💨
PM2.5 6.8 µg/m³
30Fair
15:00
💨
PM2.5 6.7 µg/m³
31Fair
16:00
💨
PM2.5 6.2 µg/m³
34Fair
17:00
💨
PM2.5 6 µg/m³
37Fair
18:00
💨
PM2.5 5.9 µg/m³
37Fair
19:00
💨
PM2.5 5.5 µg/m³
37Fair
20:00
💨
PM2.5 5.2 µg/m³
34Fair
21:00
💨
PM2.5 6.4 µg/m³
30Fair
22:00
💨
PM2.5 7 µg/m³
29Fair
5-day forecast
Max EAQI per day
Sat
💨
Moderate · UV High
51
Sun
💨
Moderate · UV High
60
Tue
💨
Poor · UV Very high
61
Luftqualität · Köln
Köln — air quality now
In Köln the European Air Quality Index is around 24 (Fair). Fine particulates (PM2.5) are around 8.8 µg/m³, within the WHO daily guideline of 15. Air quality may worsen slightly over the coming days.