Matsumoto air quality · Nagano, Japan
Clear air is not just pleasant, it is preventive health
US AQI 17 (Good) in Matsumoto, from 2 MOE Japan monitoring stations. Main pollutant: PM2.5.
Updated
Pollutants in Matsumoto
- PM2.5 · µg/m³3.0Under WHO limit
- NO₂ · µg/m³7.5Under WHO limit
- O₃ · µg/m³44.1
Concentrations averaged across the city's stations. WHO multiples use the 2021 24-hour guidelines.
Is it safe outside in Matsumoto right now?
Air quality is satisfactory and poses little or no risk.
Walking and commuting
Go aheadEnjoy it.
Running and jogging
Go aheadA great time to run outdoors.
Cycling
Go aheadRide freely.
Children playing outside
Go aheadNo limits.
Older adults and heart or lung conditions
Go aheadNo limits.
Open windows
Go aheadAir out your home.
Mask outdoors
Not neededNot needed.
Air purifier indoors
Not neededNot needed.
Based on the US EPA Air Quality Guide, applied to the current US AQI category. If you have symptoms, follow your doctor's advice.
What US AQI 0–50 means for your health →
Air quality by area in Matsumoto
2 stations, worst first- 松本渚交差点Good · roadside22
- 松本Good17
Roadside and industrial monitors are shown but are not part of the city figure.
Matsumoto air quality history
Daily average, 16 days- 22average daily US AQI over 16 days
- 49worst day, 1 November
- 6cleanest day, 25 October
- 0days at Unhealthy or worse
The last 7 days averaged 21, better than the week before (26). 16 of the last 16 days were Good.
Nearby cities
Japan rankingMatsumoto air quality: common questions
What is the AQI in Matsumoto right now?
The US AQI in Matsumoto is 17 (Good), based on 2 monitoring stations. The main pollutant is PM2.5.
Is it safe to go outside in Matsumoto today?
A great time to be outside. Air quality is satisfactory and poses little or no risk. For runners: A great time to run outdoors.
Which area of Matsumoto has the worst air right now?
松本渚交差点 has the highest reading at 22 (Good). 松本 has the lowest at 17, out of 2 stations reporting.
How has air quality in Matsumoto been recently?
Over the last 16 days with data, Matsumoto averaged US AQI 22. The worst day was 1 November at 49; the cleanest was 25 October at 6. 0 days were at Unhealthy or worse.
Where does Matsumoto's air quality data come from?
From Ministry of the Environment, Japan · AEROS (soramame.env.go.jp) · preliminary data, using 2 monitoring stations in and around the city. Good Air does not estimate or adjust these readings.
Source: Ministry of the Environment, Japan · AEROS (soramame.env.go.jp) · preliminary data. Readings are published by the monitoring agency and may be revised.