1. Europe
  2. Germany
  3. North Rhine-Westphalia
  4. Cologne
  5. Rhein-Sieg-Kreis
  6. Hennef

Hennef

Rhein-Sieg-Kreis, Cologne

2026-06-11 15:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
53.3
PM10
μg/m³
4.2
NO2
μg/m³
5.3
PM2.5
μg/m³
1.4
CO
μg/m³
111.6
SO2
μg/m³
0.8
Weather
  • ℃
  • ℉
17℃
55%
14 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Allergy Risk
  • O3
  • PM10
  • NO2
  • PM2.5
  • CO
  • SO2
  • Grasses
  • Alder
  • Ragweed
  • Mugwort
  • Birch
  • Olive Tree
Places included
Bröl
AQI 17
Happerschoß
AQI 17
Lanzenbach
AQI 17
Rott
AQI 12
Site 43620
AQI 3
Stoßdorf
AQI 12
Wellesberg
AQI 17
Data Sources
http://www.polleninfo.orghttps://sensor.community/

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