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 Otsu
Air quality index (AQI) and PM2.5 air pollution in Otsu
164 people follow this city
Otsu Air Quality Map
Real-time Otsu air pollution map
AIR QUALITY DATA CONTRIBUTORS
Atmospheric Environmental Regional Observation System (AEROS)
See all
Pollen
What is the pollen count in Otsu today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Otsu?
| Weather | Broken clouds |
| Temperature | 66.2°F |
| Humidity | 76% |
| Wind | 1.9 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time Japan city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Mukaihibi, Okayama | 73 |
| 2 | Iwakuni, Yamaguchi | 70 |
| 3 | Akashi, Hyogo | 69 |
| 4 | Shunan, Yamaguchi | 69 |
| 5 | Kurashiki, Okayama | 68 |
| 6 | Shikokuchuo, Ehime | 68 |
| 7 | Hibi, Okayama | 64 |
| 8 | Ozu, Ehime | 64 |
| 9 | Seicho, Kagawa | 64 |
| 10 | Fukui, Fukui | 60 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Otsu aqi ranking
Real-time Otsu air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Osaka | 60 |
| 2 | Katata | 44 |
| 3 | Ishiyama | 38 |
(local time)
SEE WORLD AQI RANKING
US AQI
56
live AQI index
Moderate
Overview
What is the current air quality in Otsu?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 56 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 12µg/m³ | |
| PM10 | 11µg/m³ | |
| NO2 | 5.6µg/m³ | |
| CO | 229µg/m³ | |
!
PM2.5
x2.4
PM2.5 concentration in Otsu is currently 2.4 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Otsu?
 | 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
Otsu air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Wednesday, May 29 | Good 26 AQI US  |  | 69.8° 55.4° |  8.9 mp/h |
| Thursday, May 30 | Good 38 AQI US | | 77° 53.6° | 8.9 mp/h |
| Friday, May 31 | Good 37 AQI US |  | 64.4° 59° | 2.2 mp/h |
| Today | Moderate 56 AQI US | | 78.8° 55.4° | 2.2 mp/h |
| Sunday, Jun 2 | Moderate 63 AQI US | 100% | 69.8° 57.2° | 4.5 mp/h |
| Monday, Jun 3 | Moderate 57 AQI US | 30% | 71.6° 55.4° | 11.2 mp/h |
| Tuesday, Jun 4 | Moderate 59 AQI US |  | 71.6° 59° | 11.2 mp/h |
| Wednesday, Jun 5 | Moderate 66 AQI US | | 77° 55.4° | 2.2 mp/h |
| Thursday, Jun 6 | Moderate 69 AQI US | | 75.2° 59° | 6.7 mp/h |
| Friday, Jun 7 | Moderate 70 AQI US | 40% | 68° 62.6° | 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?
Otsu air quality data attribution
1Contributor
Government Contributor
Where is the cleanest air quality in Otsu?
AQI US, Metric