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Nagano Air Quality Index (AQI) | Air Pollution

Real-time PM2.5, PM10 air pollution level in Japan

Last Updated: 3 minutes ago (Local Time)

location image
Live AQI
51
Air Quality is
Moderate
pm10 :  21 µg/m³
PM2.5 :  9 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi moderate level in Nagano
clear

22 °C

Clear
Humidity
Humidity92 %

Wind Speed
Wind Speed4 km/h

UV Index
UV Index0
Last Updated: 3 minutes ago (Local Time)


Map

Nagano

Major Air Pollutants

Nagano

AQI Graph

Historical Air Quality Data

Nagano

Nagano
AQI
.
30-06-2025Time01-07-2025
47
Min.at 2:09 AM on 1st Jul
64
Max.at 12:09 PM on 1st Jul

Download 2024 Annual Data

World Air Quality Report

Globe

Nagano's Cities

Real-time Air Pollution Level

Location
Status
AQI
PM2.5(µg/m³)
PM10(µg/m³)
Temp.(°C)
Humi.(%)
Good
45
8
21
25
72
Good
49
9
22
25
69
Moderate
52
9
21
24
67
Moderate
52
10
20
25
64
Moderate
53
10
21
26
74
Moderate
53
10
22
25
70
Moderate
53
10
23
26
74
Moderate
52
9
20
25
68
Good
48
9
19
25
64
Good
49
9
20
25
67

Japan's Metro Cities

Air Quality Index

Health Advice For People Living In

Nagano

0Cigarettes per day

Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.

Source:

Berkeley Earth


Solutions for Current AQI

  • Air Purifier
    Air PurifierTurn On
  • Car Filter
    Car FilterMust
  • N95 Mask
    N95 MaskMust
  • Stay Indoor
    Stay IndoorMust


Must turn on the air purifier to enjoy fresh air.

Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Nagano

  • asthma due to air pollution in NaganoAsthma
  • heart due to air pollution in NaganoHeart Issues
  • allergy due to air pollution in NaganoAllergies
  • sinus due to air pollution in NaganoSinus
  • flu due to air pollution in NaganoCold/Flu
  • copd due to air pollution in NaganoChronic (COPD)
asthma due to air pollution in Nagano

Mid. Chances of Asthma

Asthma

Risk of Asthma symptoms is Mid. when AQI is Moderate (50-150)

Moderate symptoms including frequent wheezing, noticeable shortness of breath, chest tightness, and persistent cough.

Do's :

  • Limit outdoor activities when AQI is poor.

  • Clean indoor air with an air purifier to reduce exposure.

  • Soothe the respiratory tract with herbal teas or warm water to help alleviate symptoms.

Don'ts :

  • Exercise outdoors without a mask.

  • Stay in smoky areas with strong fumes.

Most Polluted Cities 2025

Japan

Analyze the real-time most air polluted cities in the country.

Nagano's AQI Data Analytics Solutions

Air quality data monitoring platforms

Mobile AppMobile App
Smart TV AppSmart TV App
Web DashboardWeb Dashboard
APIAPI
WidgetsWidgets
aqi air quality app for Nagano
Mobile App

Empower Your Decisions with Reliable Data

Your area’s real-time data with detailed parameters.

Your area’s real-time data with detailed parameters.


Personalized health advice as per current AQI.

Personalized health advice as per current AQI.


Analytical data to identify trends and conditions.

Analytical data to identify trends and conditions.


Connect and control your air quality devices.

Connect and control your air quality devices.


Air Quality FAQs

at Nagano

Frequently Asked Questions About Air Quality

What is the current AQI level in Nagano?

The current real-time AQI level in Nagano is 51 (Moderate). This was last updated 3 minutes ago (Local Time).

When was the best AQI level in Nagano in the last 24 hours?

The best AQI level was 47 (Good) at 2:09 AM (Local Time) during the last 24 hours.

When was the worst AQI level in Nagano in the last 24 hours?

The worst AQI level was 64 (Moderate) at 12:09 PM (Local Time) during the last 24 hours.

What is the current trend of AQI levels in Nagano during last 24 hours?

The AQI levels in Nagano have been fluctuating throughout the last 24 hours. The levels have increased by highest 64 at 12:09 PM (Local Time), lowest 47 at 2:09 AM (Local Time).

What actions are recommended as per the current AQI level in Nagano?

Current AQI levels are acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.