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Asia
Japan
Nagano Prefecture
Matsumoto
AQI (US)
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AQI (China)
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CAQI (Europe)
AQI (UK)
AQI (India)
Matsumoto
Nagano Prefecture, Japan
2026-05-03 22:00
AQI (US)
Good
Pollutants
O3
μg/m³
81.4
PM2.5
μg/m³
1.7
NO2
μg/m³
7.5
CO
μg/m³
250
SO2
μg/m³
0
Weather
℃
℃
℉
20℃
64%
35 kph
2 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
O3
PM2.5
NO2
CO
SO2
Places included
Nagisa
AQI 12
Shimadachi
AQI 35
出川
AQI 37
Data Sources
http://soramame.taiki.go.jp/
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