Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Nagano
Air quality index (AQI) and PM2.5 air pollution in Nagano
15 people follow this city
Nagano Air Quality Map
Real-time Nagano air pollution map
AIR QUALITY DATA CONTRIBUTORS
2 Contributors
See all
Pollen
What is the pollen count in Nagano today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Nagano?
| Weather | Rain |
| Temperature | 64.4°F |
| Humidity | 83% |
| Wind | 4.1 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time Japan city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Hiratsuka, Kanagawa | 82 |
| 2 | Omuta, Fukuoka | 81 |
| 3 | Kukichuo, Saitama | 78 |
| 4 | Matsuyama, Ehime | 78 |
| 5 | Sasebo, Nagasaki | 75 |
| 6 | Kazo, Saitama | 74 |
| 7 | Kasukabe, Saitama | 73 |
| 8 | Sagamihara, Kanagawa | 73 |
| 9 | Sumida, Kanagawa | 73 |
| 10 | Noda, Chiba | 72 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Nagano aqi ranking
Real-time Nagano air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Environmental Conservation Research Institute Bureau | 60 |
| 2 | 小島田 | 60 |
| 3 | Environmental Conservation Research Institute | 56 |
| 4 | Kojimada | 56 |
| 5 | Yoshida | 49 |
| 6 | 篠ノ井 | 49 |
| 7 | Shinonoi | 44 |
(local time)
SEE WORLD AQI RANKING
US AQI
56
live AQI index
Moderate
Overview
What is the current air quality in Nagano?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 56 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 12µg/m³ | |
| PM10 | 16µg/m³ | |
| NO2 | 5.6µg/m³ | |
| SO2 | 2.6µg/m³ | |
| CO | 114.5µg/m³ | |
!
PM2.5
x2.4
PM2.5 concentration in Nagano is currently 2.4 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Nagano?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
Nagano air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Thursday, May 16 | Good 21 AQI US  |  | 77° 51.8° |  8.9 mp/h |
| Friday, May 17 | Good 39 AQI US |  | 71.6° 46.4° | 4.5 mp/h |
| Saturday, May 18 | Good 48 AQI US |  | 80.6° 50° | 4.5 mp/h |
| Today | Moderate 56 AQI US | 60% | 77° 59° | 4.5 mp/h |
| Monday, May 20 | Moderate 62 AQI US | 100% | 68° 55.4° | 4.5 mp/h |
| Tuesday, May 21 | Moderate 63 AQI US |  | 64.4° 50° | 6.7 mp/h |
| Wednesday, May 22 | Moderate 65 AQI US | | 77° 50° | 4.5 mp/h |
| Thursday, May 23 | Moderate 76 AQI US | | 80.6° 55.4° | 4.5 mp/h |
| Friday, May 24 | Moderate 74 AQI US | 40% | 73.4° 62.6° | 4.5 mp/h |
| Saturday, May 25 | Moderate 70 AQI US | 90% | 66.2° 48.2° | 6.7 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Nagano air quality data attribution
2Contributors
- Nagano Prefectural Government
4 stations
2 Government Contributors
Where is the cleanest air quality in Nagano?
AQI US, Metric