WorldArrow icon
Arrow iconNagano

Air quality in Nagano

Air quality index (AQI⁺) and PM2.5 air pollution in Nagano • 21:14, Oct 10

Atmospheric Environmental Regional Observation System (AEROS)Nagano Prefectural GovernmentKanagawa Prefectural Government
Atmospheric Environmental Regional Observation System (AEROS)Nagano Prefectural GovernmentKanagawa Prefectural Government

Live most polluted city ranking

Real-time Nagano most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of Japan

Toyonomachi Toyono

66

2
The national flag of Japan

Matsumoto

55

3
The national flag of Japan

Kiso

50

4
The national flag of Japan

Chikuma

42

5
The national flag of Japan

Hakuba

33

6
The national flag of Japan

Iida

33

7
The national flag of Japan

Suwa

33

8
The national flag of Japan

Okaya

25

9
The national flag of Japan

Ueda

25

10
The national flag of Japan

Ina

14

Live cleanest city ranking

Real-time Nagano cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of Japan

Nagano

4

2
The national flag of Japan

Habaue

5

3
The national flag of Japan

Saku

11

4
The national flag of Japan

Ina

14

5
The national flag of Japan

Okaya

25

6
The national flag of Japan

Ueda

25

7
The national flag of Japan

Hakuba

33

8
The national flag of Japan

Iida

33

9
The national flag of Japan

Suwa

33

10
The national flag of Japan

Chikuma

42

Wildfires in Nagano

Real-time information

Active fires

--

external link icon

Why Singapore’s air quality index won’t tell you what the haze is like right now

a flooded house
external link icon

Indoor Air Quality Alert: Central Chile Flash Flooding

HealthPro Plus XE in living room
external link icon

What is a HyperHEPA air purifier?

Which is the most polluted city in Nagano?