WorldArrow icon
Arrow iconNagano

Air quality in Nagano

Air quality index (AQI⁺) and PM2.5 air pollution in Nagano • 15:18, May 09

Live most polluted city ranking

Real-time Nagano most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of Japan

Hakuba

53

2
The national flag of Japan

Matsumoto

22

3
The national flag of Japan

Iida

19

4
The national flag of Japan

Ueda

19

5
The national flag of Japan

Okaya

17

6
The national flag of Japan

Chikuma

14

7
The national flag of Japan

Suwa

14

8
The national flag of Japan

Ina

11

9
The national flag of Japan

Saku

11

10
The national flag of Japan

Nagano

4

Live cleanest city ranking

Real-time Nagano cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of Japan

Kiso

1

2
The national flag of Japan

Habaue

3

3
The national flag of Japan

Nagano

4

4
The national flag of Japan

Ina

11

5
The national flag of Japan

Saku

11

6
The national flag of Japan

Chikuma

14

7
The national flag of Japan

Suwa

14

8
The national flag of Japan

Okaya

17

9
The national flag of Japan

Iida

19

10
The national flag of Japan

Ueda

19

external link icon

May 9, 2026: Lahore among top 10 most polluted cities in the world

Lava splashing from an active volcano.
external link icon

Volcanic Eruption Map Spotlight: Mount Dukono, North Maluku, Indonesia

external link icon

Wildfire Map Spotlight: Brantley Highway 82 Fire, Georgia

Which is the most polluted city in Nagano?