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 Yilan
Air quality index (AQI) and PM2.5 air pollution in Yilan
7.6K people follow this city
Yilan Air Quality Map
Real-time Yilan air pollution map
AIR QUALITY DATA CONTRIBUTORS
Environmental Protection Administration Executive Yuan, R.O.C. (Taiwan)
See all
Weather
What is the current weather in Yilan?
| Weather | Broken clouds |
| Temperature | 78.8°F |
| Humidity | 78% |
| Wind | 5.2 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time Taiwan city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Pingtung, Taiwan | 85 |
| 2 | Chiayi city, Taiwan | 82 |
| 3 | Tainan, Taiwan | 79 |
| 4 | Changhua, Taiwan | 75 |
| 5 | Nantou, Taiwan | 75 |
| 6 | Taichung, Taiwan | 73 |
| 7 | Yunlin, Taiwan | 73 |
| 8 | Kaohsiung, Kaohsiung | 71 |
| 9 | Hsinchu, Taiwan | 66 |
| 10 | Miaoli, Taiwan | 64 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Yilan aqi ranking
Real-time Yilan air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Yilan Station | 44 |
| 2 | Dongshan | 34 |
(local time)
SEE WORLD AQI RANKING
US AQI
38
live AQI index
Good
Overview
What is the current air quality in Yilan?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 38 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 7µg/m³ | |
| PM10 | 18µg/m³ | |
| O3 | 87µg/m³ | |
| NO2 | 8.5µg/m³ | |
| SO2 | 2.4µg/m³ | |
| CO | 194.7µg/m³ | |
!
PM2.5
x1.4
PM2.5 concentration in Yilan is currently 1.4 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Yilan?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Yilan air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Wednesday, May 15 | Good 49 AQI US | | 78.8° 64.4° |  6.7 mp/h |
| Thursday, May 16 | Moderate 55 AQI US  |  | 73.4° 62.6° | 6.7 mp/h |
| Friday, May 17 | Moderate 63 AQI US | | 78.8° 66.2° | 6.7 mp/h |
| Today | Good 38 AQI US | 40% | 80.6° 69.8° | 4.5 mp/h |
| Sunday, May 19 | Moderate 60 AQI US | 80% | 80.6° 71.6° | 6.7 mp/h |
| Monday, May 20 | Moderate 54 AQI US | 100% | 75.2° 71.6° | 2.2 mp/h |
| Tuesday, May 21 | Moderate 55 AQI US | 100% | 78.8° 71.6° | 2.2 mp/h |
| Wednesday, May 22 | Good 45 AQI US | 100% | 78.8° 73.4° | 4.5 mp/h |
| Thursday, May 23 | Good 38 AQI US | 100% | 77° 73.4° | 0 mp/h |
| Friday, May 24 | Good 38 AQI US | 100% | 78.8° 73.4° | 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?
Yilan air quality data attribution
1Contributor
Government Contributor
Where is the cleanest air quality in Yilan?
AQI US, Metric