Air Pollution in Chiayi: Real-time Air Quality Index and smog alert.

The latest data Last 7 days Chiayi pollution December 2016 - May 2020
Current data from stations: Chiayi
Locations: « Taiwan Chiayi West »
Pollution and air quality forecast for Chiayi. Today is Sunday, May 5, 2024. The following air pollution values have been recorded for Chiayi:
  1. nitrogen dioxide (NO2) - 7 (Good)
  2. particulate matter (PM10) suspended dust - 19 (Good)
  3. ozone (O3) - 91 (Moderate)
  4. particulate matter (PM2.5) dust - 10 (Good)
  5. sulfur dioxide (SO2) - 0 (Good)
  6. carbon monoxide (CO) - 100 (Good)
Real-time Air Quality Index (AQI) for Chiayi, Friday, May 27, 2022: 2.

air quality index: 1
AQI 2 Moderate

What is the air quality in Chiayi today? Is the air polluted in Chiayi?. Is there smog?

Today (Friday, May 27, 2022) air quality is moderate in Chiayi. Some pollutants in Chiayi may slightly affect very few hypersensitive individuals. Air pollutants in Chiayi may cause minor breathing discomfort to sensitive people.


How high is the level of NO2? (nitrogen dioxide (NO2))
7 (Good)

What is the level of PM10 today in Chiayi? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Chiayi is: 19 (Good) The highest PM10 values usually occur in month: 81 (December 2016). The lowest value of particulate matter PM10 pollution in Chiayi is usually recorded in: June (17).

How is the O3 level today in Chiayi? (ozone (O3))
91 (Moderate)

What is the current level of PM2.5 in Chiayi? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 10 (Good) For comparison, the highest level of PM2.5 in Chiayi in the last 7 days was: 20 (Friday, May 27, 2022) and the lowest: 20 (Friday, May 27, 2022). The highest PM2.5 values were recorded: 41 (December 2016). The lowest level of particulate matter PM2.5 pollution occurs in month: June (8.4).

What is the level of SO2 pollution? (sulfur dioxide (SO2))
0 (Good)

How high is the CO level? (carbon monoxide (CO))
100 (Good)



Current data Friday, May 27, 2022, 12:00 PM

NO2 7 (Good)

PM10 19 (Good)

O3 91 (Moderate)

PM2,5 10 (Good)

SO2 0 (Good)

CO 100 (Good)

Data on air pollution from recent days in Chiayi

index 2022-05-27
no2 20
Good
pm10 27
Moderate
o3 39
Good
pm25 20
Moderate
so2 5
Good
co 240
Good
data source »
Air pollution in Chiayi from December 2016 to May 2020
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-12
pm25 12 (Good) 25 (Moderate) 28 (Moderate) 29 (Moderate) 29 (Moderate) 24 (Moderate) 25 (Moderate) 26 (Moderate) 19 (Moderate) 13 (Good) 10 (Good) 8.4 (Good) 19 (Moderate) 23 (Moderate) 31 (Moderate) 33 (Moderate) 38 (Unhealthy for Sensitive Groups) 37 (Unhealthy for Sensitive Groups) 32 (Moderate) 36 (Unhealthy for Sensitive Groups) 30 (Moderate) 26 (Moderate) 28 (Moderate) 11 (Good) 25 (Moderate) 31 (Moderate) 40 (Unhealthy for Sensitive Groups) 41 (Unhealthy for Sensitive Groups) 40 (Unhealthy for Sensitive Groups) 41 (Unhealthy for Sensitive Groups)
pm10 25 (Moderate) 43 (Moderate) 50 (Moderate) 53 (Unhealthy for Sensitive Groups) 52 (Unhealthy for Sensitive Groups) 45 (Moderate) 56 (Unhealthy for Sensitive Groups) 55 (Unhealthy for Sensitive Groups) 39 (Moderate) 25 (Moderate) 17 (Good) 17 (Good) 38 (Moderate) 44 (Moderate) 57 (Unhealthy for Sensitive Groups) 61 (Unhealthy for Sensitive Groups) 73 (Unhealthy for Sensitive Groups) 69 (Unhealthy for Sensitive Groups) 65 (Unhealthy for Sensitive Groups) 75 (Unhealthy for Sensitive Groups) 68 (Unhealthy for Sensitive Groups) 60 (Unhealthy for Sensitive Groups) 53 (Unhealthy for Sensitive Groups) 30 (Moderate) 50 (Moderate) 57 (Unhealthy for Sensitive Groups) 76 (Unhealthy for Sensitive Groups) 75 (Unhealthy for Sensitive Groups) 74 (Unhealthy for Sensitive Groups) 81 (Unhealthy)
o3:ppm 0.03 (Good) 0.04 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.02 (Good) 0.03 (Good) 0.04 (Good) 0.04 (Good) 0.03 (Good) 0.02 (Good) 0.02 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.03 (Good) 0.03 (Good) 0.04 (Good) 0.02 (Good) 0.03 (Good) 0.04 (Good) 0.03 (Good) 0.03 (Good) 0.02 (Good) 0.02 (Good)
so2:ppm 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good)
co:ppm 0.24 (Good) 0.41 (Good) 0.43 (Good) 0.43 (Good) 0.52 (Good) 0.46 (Good) 0.42 (Good) 0.42 (Good) 0.33 (Good) 0.25 (Good) 0.21 (Good) 0.24 (Good) 0.39 (Good) 0.38 (Good) 0.51 (Good) 0.52 (Good) 0.57 (Good) 0.52 (Good) 0.52 (Good) 0.5 (Good) 0.47 (Good) 0.39 (Good) 0.37 (Good) 0.19 (Good) 0.37 (Good) 0.43 (Good) 0.54 (Good) 0.55 (Good) 0.56 (Good) 0.6 (Good)
no2:ppm 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good)
data source »

Chiayi

Friday, May 27, 2022, 12:00 PM

NO2 7.3 (Good)

nitrogen dioxide (NO2)

PM10 19 (Good)

particulate matter (PM10) suspended dust

O3 91 (Moderate)

ozone (O3)

PM2,5 10 (Good)

particulate matter (PM2.5) dust

SO2 0.1 (Good)

sulfur dioxide (SO2)

CO 100 (Good)

carbon monoxide (CO)

Chiayi

index 2022-05-27
no2 20
pm10 27
o3 39
pm25 20
so2 4.9
co 240

Chiayi

2016-12   2020-05
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-12
pm10 25 43 50 53 52 45 56 55 39 25 17 17 38 44 57 61 73 69 65 75 68 60 53 30 50 57 76 75 74 81
pm25 12 25 28 29 29 24 25 26 19 13 10 8.4 19 23 31 33 38 37 32 36 30 26 28 11 25 31 40 41 40 41
no2:ppm 0.01 0.01 0.01 0.02 0.02 0.02 0.02 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.01 0.01 0.01 0.01 0.01 0.02 0.02 0.02 0.02
co:ppm 0.24 0.41 0.43 0.43 0.52 0.46 0.42 0.42 0.33 0.25 0.21 0.24 0.39 0.38 0.51 0.52 0.57 0.52 0.52 0.5 0.47 0.39 0.37 0.19 0.37 0.43 0.54 0.55 0.56 0.6
so2:ppm 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
o3:ppm 0.03 0.04 0.03 0.03 0.03 0.02 0.03 0.04 0.04 0.03 0.02 0.02 0.03 0.03 0.03 0.03 0.03 0.02 0.02 0.02 0.03 0.03 0.04 0.02 0.03 0.04 0.03 0.03 0.02 0.02

* Pollution data source: https://openaq.org (Taiwan) The data is licensed under CC-By 4.0