Choose another country or region to see content specific to your location and shop online.

Air quality in Nagano

Air quality index (AQI⁺) and PM2.5 air pollution in Nagano • 01:29, Jul 21

Live most polluted city ranking

Real-time Nagano most polluted city ranking

#	Cities	AQI⁺ US
1	Hakuba	64
2	Toyonomachi Toyono	64
3	Chikuma	55
4	Matsumoto	53
5	Ueda	52
6	Okaya	47
7	Suwa	47
8	Iida	44
9	Saku	25
10	Habaue	3

Live cleanest city ranking

Real-time Nagano cleanest city ranking

#	Cities	AQI⁺ US
1	Kiso	1
2	Ina	2
3	Habaue	3
4	Nagano	3
5	Saku	25
6	Iida	44
7	Okaya	47
8	Suwa	47
9	Ueda	52
10	Matsumoto	53

Detroit childcare center achieves clean air and data monitoring awareness

Wildfire Map Spotlight: North-Central and Eastern Oregon Wildfires

Wildfire Map Spotlight: Snyder, Babylon, Ferris, and Gold Mountain Fires in Colorado and Utah

Which is the most polluted city in Nagano?

globe background

Connect With IQAir

Get exclusive articles, product updates, tips, and occasional offers delivered to your inbox. You can unsubscribe at any time.

View Privacy Policy

Privacy Policy© 2026 IQAir. All rights reserved