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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 | Broken clouds |
| Temperature | 68°F |
| Humidity | 81% |
| Wind | 2 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time Japan city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Shikokuchuo, Ehime | 124 |
| 2 | Ozu, Ehime | 105 |
| 3 | Matsuyama, Ehime | 97 |
| 4 | Iwakuni, Yamaguchi | 95 |
| 5 | Kure, Hiroshima | 94 |
| 6 | Saijo, Ehime | 93 |
| 7 | Niihama, Ehime | 92 |
| 8 | Takehara, Hiroshima | 85 |
| 9 | Amakusa, Kumamoto | 79 |
| 10 | Hiroshima, Hiroshima | 75 |
(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 | 62 |
(local time)
SEE WORLD AQI RANKING
US AQI
62
live AQI index
Moderate
Overview
What is the current air quality in Koshu?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 62 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 15µg/m³ | |
| PM10 | 14µg/m³ | |
| NO2 | 7.5µg/m³ | |
!
PM2.5
x3
PM2.5 concentration in Koshu is currently 3 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Koshu?
 | 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
Koshu air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Monday, May 20 | Moderate 63 AQI US |  | 71.6° 55.4° |  4.5 mp/h |
| Tuesday, May 21 | Moderate 70 AQI US | | 77° 59° | 6.7 mp/h |
| Wednesday, May 22 | Moderate 65 AQI US | | 68° 53.6° | 4.5 mp/h |
| Today | Moderate 62 AQI US | | 69.8° 53.6° | 4.5 mp/h |
| Friday, May 24 | Moderate 68 AQI US | 20% | 80.6° 57.2° | 4.5 mp/h |
| Saturday, May 25 | Moderate 63 AQI US | 60% | 60.8° 55.4° | 2.2 mp/h |
| Sunday, May 26 | Moderate 59 AQI US | 30% | 68° 53.6° | 4.5 mp/h |
| Monday, May 27 | Moderate 67 AQI US | 80% | 66.2° 53.6° | 6.7 mp/h |
| Tuesday, May 28 | Good 34 AQI US  | 100% | 69.8° 59° | 4.5 mp/h |
| Wednesday, May 29 | Moderate 62 AQI US | | 68° 53.6° | 4.5 mp/h |
Interested in hourly forecast? Get the app
Koshu air quality data attribution
2Contributors
2 Government Contributors
Where is the cleanest air quality in Koshu?
AQI US, Metric