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

Air quality in Niigata

Air quality index (AQI⁺) and PM2.5 air pollution in Niigata • 18:39, Apr 23

Live most polluted city ranking

Real-time Niigata most polluted city ranking

#	Cities	AQI⁺ US
1	Itoigawa	66
2	Joetsu	64
3	Shibata	58
4	Sakaihigashi	50
5	Niigata	44
6	Minamiuonuma	39
7	Nagaoka	39
8	Sado	39
9	Kashiwazaki	33

Live cleanest city ranking

Real-time Niigata cleanest city ranking

#	Cities	AQI⁺ US
1	Kashiwazaki	33
2	Minamiuonuma	39
3	Nagaoka	39
4	Sado	39
5	Niigata	44
6	Sakaihigashi	50
7	Shibata	58
8	Joetsu	64
9	Itoigawa	66

Wildfire engulfs a dense forest

Wildfire Map Spotlight: Pineland Road Fire, Georgia

A man wipes sweat from his face under the scorching sun.

Heatwave Map Spotlight: Northern, Central, and Eastern India

Wildfire Map Spotlight: Brantley Highway 82 Fire, Georgia

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