Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Today's Pollen Count in Nagano
Moderate
Air quality
Air quality of Nagano today
| AQI US AQI | Good | |
| PM2.5 µg/m³ | Good | |
| PM10 µg/m³ | Good | |
| NO2 | Good | |
| SO2 | Good | |
| CO | Good |
3D animated air pollution map
Allergy forecast
Nagano pollen count forecast
| Day | Index | Tree | Grass | Weed | Wind | Weather | Temperature |
|---|---|---|---|---|---|---|---|
| Today | Low | Low | Low | None |  4.5 mp/h |  60% | 55.4° 42.8° |
| Thursday, May 9 | Very high | Very high | Low | None | 6.7 mp/h | 50% | 55.4° 41° |
| Friday, May 10 | Very high | Very high | Low | None | 4.5 mp/h |  | 75.2° 41° |
AQI US, Metric