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Air quality in Koshu
Air quality index (AQI) and PM2.5 air pollution in Koshu
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Koshu Air Quality Map
Real-time Koshu air pollution map
AIR QUALITY DATA CONTRIBUTORS
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Pollen
What is the pollen count in Koshu today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Koshu?
| Weather | Scattered clouds |
| Temperature | 59°F |
| Humidity | 90% |
| Wind | 2.8 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time Japan city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Omuta, Fukuoka | 87 |
| 2 | Shikokuchuo, Ehime | 78 |
| 3 | Saijo, Ehime | 77 |
| 4 | Maegata, Okayama | 70 |
| 5 | Nagasaki, Nagasaki | 68 |
| 6 | Sasebo, Nagasaki | 68 |
| 7 | Niihama, Ehime | 64 |
| 8 | Hiroshima, Hiroshima | 63 |
| 9 | Kure, Hiroshima | 63 |
| 10 | Kumamoto, Kumamoto | 62 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Koshu aqi ranking
Real-time Koshu air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Higashiyamanashi | 50 |
(local time)
SEE WORLD AQI RANKING
US AQI
50
live AQI index
Good
Overview
What is the current air quality in Koshu?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 50 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 12µg/m³ | |
| PM10 | 14µg/m³ | |
| NO2 | 5.6µg/m³ | |
!
PM2.5
x2.4
PM2.5 concentration in Koshu is currently 2.4 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Koshu?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Koshu air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Tuesday, Apr 30 | Good 35 AQI US |  | 73.4° 57.2° |  4.5 mp/h |
| Wednesday, May 1 | Good 43 AQI US | | 66.2° 50° | 4.5 mp/h |
| Thursday, May 2 | Moderate 56 AQI US  | | 57.2° 46.4° | 4.5 mp/h |
| Today | Good 50 AQI US |  | 69.8° 46.4° | 4.5 mp/h |
| Saturday, May 4 | Moderate 54 AQI US | | 75.2° 51.8° | 2.2 mp/h |
| Sunday, May 5 | Moderate 59 AQI US | | 75.2° 53.6° | 6.7 mp/h |
| Monday, May 6 | Moderate 61 AQI US | | 66.2° 51.8° | 6.7 mp/h |
| Tuesday, May 7 | Moderate 65 AQI US | 80% | 60.8° 51.8° | 2.2 mp/h |
| Wednesday, May 8 | Moderate 72 AQI US | 40% | 69.8° 57.2° | 4.5 mp/h |
| Thursday, May 9 | Moderate 64 AQI US | 100% | 55.4° 51.8° | 2.2 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Koshu air quality data attribution
2Contributors
2 Government Contributors
Where is the cleanest air quality in Koshu?
AQI US, Metric