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 Chiayi city
Air quality index (AQI) and PM2.5 air pollution in Chiayi city
4.7K people follow this city
Chiayi city Air Quality Map
Real-time Chiayi city 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 Chiayi city?
| Weather | Broken clouds |
| Temperature | 87.8°F |
| Humidity | 50% |
| Wind | 3.4 mp/h |
| Pressure | 29.7 Hg |
live aqi city ranking
Real-time Taiwan city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Kaohsiung, Kaohsiung | 50 |
| 2 | Pingtung, Taiwan | 45 |
| 3 | Tainan, Taiwan | 45 |
| 4 | Taoyuan City, Taiwan | 45 |
| 5 | Chiayi city, Taiwan | 41 |
| 6 | New Taipei, Taipei | 41 |
| 7 | Taipei, Taipei | 41 |
| 8 | Yunlin, Taiwan | 38 |
| 9 | Miaoli, Taiwan | 37 |
| 10 | Hsinchu, Taiwan | 34 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Chiayi city aqi ranking
Real-time Chiayi city air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Xingang | 45 |
| 2 | Puzi | 41 |
| 3 | Chiayi | 33 |
(local time)
SEE WORLD AQI RANKING
US AQI
41
live AQI index
Good
Overview
What is the current air quality in Chiayi city?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 41 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 10µg/m³ | |
| PM10 | 23µg/m³ | |
| O3 | 62µg/m³ | |
| NO2 | 15µg/m³ | |
| SO2 | 3.7µg/m³ | |
| CO | 383.6µg/m³ | |
!
PM2.5
x2
PM2.5 concentration in Chiayi city is currently 2 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Chiayi city?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Chiayi city air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Thursday, Apr 25 | Good 49 AQI US |  | 86° 71.6° |  8.9 mp/h |
| Friday, Apr 26 | Good 31 AQI US | | 86° 71.6° | 11.2 mp/h |
| Saturday, Apr 27 | Good 50 AQI US | | 87.8° 69.8° | 11.2 mp/h |
| Today | Good 41 AQI US | 100% | 87.8° 75.2° | 8.9 mp/h |
| Monday, Apr 29 | Moderate 62 AQI US  | 40% | 93.2° 75.2° | 8.9 mp/h |
| Tuesday, Apr 30 | Moderate 59 AQI US |  | 91.4° 77° | 11.2 mp/h |
| Wednesday, May 1 | Moderate 59 AQI US | 100% | 80.6° 73.4° | 6.7 mp/h |
| Thursday, May 2 | Moderate 64 AQI US | 70% | 80.6° 73.4° | 6.7 mp/h |
| Friday, May 3 | Moderate 63 AQI US | 50% | 86° 73.4° | 6.7 mp/h |
| Saturday, May 4 | Moderate 59 AQI US | 60% | 89.6° 75.2° | 8.9 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Chiayi city air quality data attribution
1Contributor
Government Contributor
Where is the cleanest air quality in Chiayi city?
AQI US, Metric