WorldArrow icon
Arrow iconNagano

Air quality in Nagano

Air quality index (AQI⁺) and PM2.5 air pollution in Nagano • 17:20, Jul 08

Live most polluted city ranking

Real-time Nagano most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of Japan

Hakuba

60

2
The national flag of Japan

Toyonomachi Toyono

58

3
The national flag of Japan

Suwa

47

4
The national flag of Japan

Okaya

36

5
The national flag of Japan

Chikuma

33

6
The national flag of Japan

Matsumoto

33

7
The national flag of Japan

Iida

31

8
The national flag of Japan

Ueda

28

9
The national flag of Japan

Saku

25

10
The national flag of Japan

Habaue

5

Live cleanest city ranking

Real-time Nagano cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of Japan

Kiso

2

2
The national flag of Japan

Ina

4

3
The national flag of Japan

Nagano

4

4
The national flag of Japan

Habaue

5

5
The national flag of Japan

Saku

25

6
The national flag of Japan

Ueda

28

7
The national flag of Japan

Iida

31

8
The national flag of Japan

Chikuma

33

9
The national flag of Japan

Matsumoto

33

10
The national flag of Japan

Okaya

36

external link icon

How European heat waves impact air pollution

The city skyline as evening settles in.
external link icon

July 8, 2026: Johannesburg among top 10 most polluted cities in the world

external link icon

Wildfire Map Spotlight: Southern Europe Wildfires

Which is the most polluted city in Nagano?