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 Otaru
Air quality index (AQI) and PM2.5 air pollution in Otaru
20.7K people follow this city
Otaru Air Quality Map
Real-time Otaru air pollution map
AIR QUALITY DATA CONTRIBUTORS
2 Contributors
See all
Pollen
What is the pollen count in Otaru today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Otaru?
| Weather | Broken clouds |
| Temperature | 64.4°F |
| Humidity | 60% |
| Wind | 0.9 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time Japan city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Mine, Yamaguchi | 68 |
| 2 | Matsuyama, Ehime | 64 |
| 3 | Shunan, Yamaguchi | 63 |
| 4 | Amakusa, Kumamoto | 62 |
| 5 | Hachinohe, Aomori | 62 |
| 6 | Iwakuni, Yamaguchi | 62 |
| 7 | Mukaihibi, Okayama | 62 |
| 8 | Niihama, Ehime | 61 |
| 9 | Ichinoseki, Iwate | 60 |
| 10 | Nagasaki, Nagasaki | 60 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Otaru aqi ranking
Real-time Otaru air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Katsuna | 56 |
| 2 | Katsunaicho | 56 |
| 3 | Station intersection | 56 |
(local time)
SEE WORLD AQI RANKING
US AQI
56
live AQI index
Moderate
Overview
What is the current air quality in Otaru?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 56 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 12µg/m³ | |
| PM10 | 11µg/m³ | |
| NO2 | 20.7µg/m³ | |
| SO2 | 10.5µg/m³ | |
| CO | 229µg/m³ | |
!
PM2.5
x2.4
PM2.5 concentration in Otaru is currently 2.4 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Otaru?
 | 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
Otaru air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Friday, May 17 | Good 29 AQI US  |  | 55.4° 50° |  13.4 mp/h |
| Saturday, May 18 | Moderate 55 AQI US |  | 64.4° 50° | 6.7 mp/h |
| Sunday, May 19 | Moderate 59 AQI US | | 60.8° 53.6° | 8.9 mp/h |
| Sunday, May 19 | Moderate 56 AQI US | | 60.8° 53.6° | 8.9 mp/h |
| Today | Moderate 56 AQI US | 100% | 64.4° 51.8° | 6.7 mp/h |
| Tuesday, May 21 | Moderate 66 AQI US | 100% | 51.8° 48.2° | 13.4 mp/h |
| Wednesday, May 22 | Moderate 69 AQI US | | 62.6° 50° | 6.7 mp/h |
| Thursday, May 23 | Moderate 63 AQI US | 60% | 64.4° 51.8° | 6.7 mp/h |
| Friday, May 24 | Moderate 64 AQI US | 90% | 53.6° 46.4° | 8.9 mp/h |
| Saturday, May 25 | Good 23 AQI US | 20% | 50° 44.6° | 8.9 mp/h |
| Sunday, May 26 | Moderate 61 AQI US | | 60.8° 44.6° | 15.7 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Otaru air quality data attribution
2Contributors
- Hokkaido Atmospheric Environment
1 station
2 Government Contributors
Where is the cleanest air quality in Otaru?
AQI US, Metric