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

Nagano

Air quality in Nagano

Air quality index (AQI⁺) and PM2.5 air pollution in Nagano • 05:39, Sep 11

Live most polluted city ranking

Real-time Nagano most polluted city ranking

#	Cities	AQI⁺ US
1	Suwa	14
2	Matsumoto	11
3	Ueda	11
4	Iida	8
5	Saku	8
6	Chikuma	7
7	Okaya	6
8	Ina	5
9	Habaue	3
10	Nagano	3

Live cleanest city ranking

Real-time Nagano cleanest city ranking

#	Cities	AQI⁺ US
1	Hakuba	0
2	Kiso	1
3	Habaue	3
4	Nagano	3
5	Ina	5
6	Okaya	6
7	Chikuma	7
8	Iida	8
9	Saku	8
10	Matsumoto	11

Wildfires in Nagano

Real-time information

Active fires

--

Wildfire Map Spotlight: Bosnia and Herzegovina Fires

Wildfire Map Spotlight: Hawk Fire, Nevada

Dense forest burning.

Wildfire Map Spotlight: Austin Fire, Oregon

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