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  6. 1st arrondissement
  7. PARIS 1er Les Halles

PARIS 1er Les Halles

1st arrondissement, Arrondissement de Paris

2026-01-21 05:00
CAQI (Europe)
Very Low
Pollutants|Pollens
O3
μg/m³
42.6
PM2.5
μg/m³
5.5
PM10
μg/m³
7.1
NO2
μg/m³
7.9
CO
μg/m³
193
Weather
  • ℃
  • ℉
9℃
81%
26 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Allergy Risk
  • O3
  • PM2.5
  • PM10
  • NO2
  • CO
  • Alder
  • Ragweed
  • Mugwort
  • Birch
  • Olive Tree
  • Grasses
Data Sources
https://www.eea.europa.eu

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