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 Changhua
Air quality index (AQI) and PM2.5 air pollution in Changhua
20.3K people follow this city
Changhua Air Quality Map
Real-time Changhua air pollution map
AIR QUALITY DATA CONTRIBUTORS
2 Contributors
See all
Weather
What is the current weather in Changhua?
| Weather | Broken clouds |
| Temperature | 78.8°F |
| Humidity | 75% |
| Wind | 6 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time Taiwan city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Kaohsiung, Kaohsiung | 58 |
| 2 | Pingtung, Taiwan | 58 |
| 3 | Tainan, Taiwan | 57 |
| 4 | Chiayi city, Taiwan | 53 |
| 5 | Taipei, Taipei | 53 |
| 6 | New Taipei, Taipei | 52 |
| 7 | Yunlin, Taiwan | 51 |
| 8 | Changhua, Taiwan | 47 |
| 9 | Miaoli, Taiwan | 46 |
| 10 | Nantou, Taiwan | 44 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Changhua aqi ranking
Real-time Changhua air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Erlin | 53 |
| 2 | Changhua Station | 46 |
| 3 | Xianxi | 42 |
| 4 | Huatang | GSK Crop. | 33 |
(local time)
SEE WORLD AQI RANKING
US AQI
47
live AQI index
Good
Overview
What is the current air quality in Changhua?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 47 US AQI | O3 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 5.5µg/m³ | |
| PM10 | 18µg/m³ | |
| O3 | 116µg/m³ | |
| NO2 | 11.3µg/m³ | |
| SO2 | 4.7µg/m³ | |
| CO | 217.6µg/m³ | |
!
PM2.5
x1.1
PM2.5 concentration in Changhua is currently 1.1 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Changhua?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Changhua air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Friday, May 31 | Good 29 AQI US |  | 87.8° 78.8° |  15.7 mp/h |
| Saturday, Jun 1 | Moderate 51 AQI US  | | 86° 80.6° | 13.4 mp/h |
| Sunday, Jun 2 | Good 28 AQI US | | 82.4° 69.8° | 15.7 mp/h |
| Today | Good 47 AQI US | 100% | 78.8° 71.6° | 22.4 mp/h |
| Tuesday, Jun 4 | Moderate 74 AQI US | 60% | 80.6° 73.4° | 8.9 mp/h |
| Wednesday, Jun 5 | Moderate 73 AQI US | 100% | 75.2° 71.6° | 4.5 mp/h |
| Thursday, Jun 6 | Moderate 63 AQI US | 90% | 75.2° 73.4° | 11.2 mp/h |
| Friday, Jun 7 | Moderate 66 AQI US | 60% | 77° 73.4° | 8.9 mp/h |
| Saturday, Jun 8 | Moderate 71 AQI US | 40% | 80.6° 75.2° | 8.9 mp/h |
| Sunday, Jun 9 | Moderate 65 AQI US | 50% | 82.4° 77° | 8.9 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Changhua air quality data attribution
Data validated and calibrated by IQAirWhere is the cleanest air quality in Changhua?
AQI US, Metric