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 • 09:46, Aug 07

Live most polluted city ranking

Real-time Nagano most polluted city ranking

#	Cities	AQI⁺ US
1	Hakuba	39
2	Saku	19
3	Iida	17
4	Ina	17
5	Okaya	17
6	Suwa	17
7	Ueda	17
8	Chikuma	14
9	Matsumoto	8
10	Habaue	4

Live cleanest city ranking

Real-time Nagano cleanest city ranking

#	Cities	AQI⁺ US
1	Kiso	1
2	Nagano	2
3	Habaue	4
4	Matsumoto	8
5	Chikuma	14
6	Iida	17
7	Ina	17
8	Okaya	17
9	Suwa	17
10	Ueda	17

Wildfires in Nagano

Real-time information

Active fires

0

Wildfire Map Spotlight: Washington Wildfires

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

Wildfire Map Spotlight: Eastern Oregon Wildfires

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