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  3. Ehime Prefecture
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Hongo

Niihama, Ehime Prefecture

2026-04-20 01:00
AQI (UK)
Low
Pollutants
PM2.5
μg/m³
19
O3
μg/m³
17.1
NO2
μg/m³
32.9
SO2
μg/m³
11.4
Weather
  • ℃
  • ℉
21℃
75%
3 kph
8 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (UK)
  • PM2.5
  • O3
  • NO2
  • SO2
Places included
中村
AQI 2
Data Sources
http://soramame.taiki.go.jp/

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