Worst air pollution Minami-Alps, today and tomorrow
Today (16 July): Air quality in Minami-Alps is fair. PM2.5, NO2, and PM1 are fair; AQI and O3 are medium; PM10, SO2, CO, and HCHO are good. Pollution peaks around 4:00 PM (O3: 50.5/100).
Tomorrow (17 July 2026): Air quality in Minami-Alps is poor. AQI worsens to poor; PM2.5 decreases to good; NO2 decreases to good; O3 increases to poor; PM1 decreases to good; all other pollutants stay as today. Pollution peaks around 12:00 PM (O3: 61.0/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Minami-Alps's air quality benefits from its exceptional Yamanashi Prefecture Southern Alps position at the Kamanashi River valley gateway, with consistent mountain highland breezes from the spectacular Akaishi Mountain range providing clean natural ventilation. Vehicle traffic on surrounding roads and the peach and grape farming — the surrounding Koshu region famous for Japan's finest fruit — contribute distinctive agricultural organic aerosols alongside primary vehicle sources, while the outstanding alpine highland setting generally maintains Minami-Alps among Japan's more pleasantly ventilated highland agricultural communities.
Today - 16 July | Pollution peaks at 16:00
AQI:
Medium
50.5/100
PM2.5 (fine particles):
Fair
21.4/100
PM10 (coarse particles):
Good
5.9/100
NO2 (nitrogen dioxide):
Fair
24.5/100
O3 (ozone):
Medium
50.5/100
SO2 (sulfur dioxide):
Good
8.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
13.5/100
PM1 (ultrafine particles):
Fair
26.7/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 12:00
AQI:
Poor
61.0/100
PM2.5 (fine particles):
Good
9.1/100
PM10 (coarse particles):
Good
2.5/100
NO2 (nitrogen dioxide):
Good
19.9/100
O3 (ozone):
Poor
61.0/100
SO2 (sulfur dioxide):
Good
5.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
14.6/100
PM1 (ultrafine particles):
Good
12.2/100
Frequently Asked Questions
Is air quality bad in Minami-Alps right now?
On 16 July 2026, overall air quality in Minami-Alps is fair. PM1 is the main pollutant at 26.7/100. Pollution peaks around 4:00 PM (O3: 50.5/100).
Will air quality be worse tomorrow in Minami-Alps?
On 17 July 2026, air quality conditions in Minami-Alps will be worse than today, with AQI forecast at poor at 61.0/100. Pollution peaks around 12:00 PM (O3: 61.0/100).
When is air pollution at its worst in Minami-Alps?
The biggest local contributors to pollution in Minami-Alps are vehicle traffic and agricultural activity, particularly once still air allows pollutants to build up. Background emissions and local weather both shape how conditions change from day to day. Local weather patterns add further day-to-day variation.
Are air quality levels in Minami-Alps based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
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Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
For long term forecasts and maps, see the Airmine app