1. Europe
  2. United Kingdom
  3. Wales
  4. Cardiff
  5. Cathays

Cathays

Cardiff

2026-03-11 23:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
10
O3
μg/m³
74
PM10
μg/m³
24
NO2
μg/m³
4
SO2
μg/m³
1
Weather
  • ℃
  • ℉
7℃
87%
27 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Allergy Risk
  • PM2.5
  • O3
  • PM10
  • NO2
  • SO2
  • Alder
  • Ragweed
  • Mugwort
  • Birch
  • Olive Tree
  • Grasses
Places included
Cardiff Centre
AQI 52
Data Sources
http://uk-air.defra.gov.uk/

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