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

The latest data Last 7 days Changhua pollution December 2016 - May 2020
Current data from stations: Changhua Erlin Xianxi
Locations: « Taiwan Changhua Xianxi » Erlin » Zhanghua »
Pollution and air quality forecast for Changhua. Today is Sunday, May 5, 2024. The following air pollution values have been recorded for Changhua:
  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 Changhua, Friday, May 27, 2022: 2.

air quality index: 1
AQI 2 Moderate

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

Today (Friday, May 27, 2022) air quality is moderate in Changhua. Some pollutants in Changhua may slightly affect very few hypersensitive individuals. Air pollutants in Changhua 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 Changhua? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Changhua is: 19 (Good) The highest PM10 values usually occur in month: 63 (December 2016). The lowest value of particulate matter PM10 pollution in Changhua is usually recorded in: June (20).

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

What is the current level of PM2.5 in Changhua? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 10 (Good) For comparison, the highest level of PM2.5 in Changhua 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: 31 (March 2017). The lowest level of particulate matter PM2.5 pollution occurs in month: June (11).

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 Changhua

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 Changhua 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 13 (Moderate) 21 (Moderate) 22 (Moderate) 23 (Moderate) 23 (Moderate) 16 (Moderate) 18 (Moderate) 25 (Moderate) 17 (Moderate) 15 (Moderate) 12 (Good) 11 (Good) 20 (Moderate) 23 (Moderate) 26 (Moderate) 24 (Moderate) 26 (Moderate) 29 (Moderate) 22 (Moderate) 28 (Moderate) 22 (Moderate) 22 (Moderate) 27 (Moderate) 13 (Moderate) 22 (Moderate) 29 (Moderate) 31 (Moderate) 27 (Moderate) 26 (Moderate) 29 (Moderate)
pm10 30 (Moderate) 43 (Moderate) 47 (Moderate) 49 (Moderate) 45 (Moderate) 38 (Moderate) 47 (Moderate) 50 (Unhealthy for Sensitive Groups) 35 (Moderate) 28 (Moderate) 25 (Moderate) 20 (Moderate) 41 (Moderate) 44 (Moderate) 52 (Unhealthy for Sensitive Groups) 52 (Unhealthy for Sensitive Groups) 59 (Unhealthy for Sensitive Groups) 56 (Unhealthy for Sensitive Groups) 43 (Moderate) 54 (Unhealthy for Sensitive Groups) 46 (Moderate) 49 (Moderate) 50 (Unhealthy for Sensitive Groups) 31 (Moderate) 47 (Moderate) 56 (Unhealthy for Sensitive Groups) 62 (Unhealthy for Sensitive Groups) 59 (Unhealthy for Sensitive Groups) 55 (Unhealthy for Sensitive Groups) 63 (Unhealthy for Sensitive Groups)
o3:ppm 0.03 (Good) 0.04 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.03 (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) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.04 (Good) 0.03 (Good) 0.02 (Good) 0.03 (Good) 0.04 (Good) 0.04 (Good) 0.03 (Good) 0.03 (Good) 0.03 (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) 0.38 (Good) 0.39 (Good) 0.42 (Good) 0.49 (Good) 0.38 (Good) 0.34 (Good) 0.36 (Good) 0.28 (Good) 0.23 (Good) 0.18 (Good) 0.23 (Good) 0.34 (Good) 0.37 (Good) 0.45 (Good) 0.47 (Good) 0.49 (Good) 0.46 (Good) 0.42 (Good) 0.43 (Good) 0.36 (Good) 0.33 (Good) 0.32 (Good) 0.19 (Good) 0.33 (Good) 0.37 (Good) 0.44 (Good) 0.42 (Good) 0.41 (Good) 0.42 (Good)
no2:ppm 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.01 (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) 0.01 (Good) 0.01 (Good) 0.02 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.02 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good)
data source »

Changhua

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)

Erlin

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)

Xianxi

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)

Changhua

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

Erlin

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

Xianxi

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

Changhua

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
so2:ppm 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.01 0 0 0 0 0 0 0
o3:ppm 0.02 0.03 0.03 0.03 0.03 0.02 0.03 0.04 0.03 0.03 0.02 0.02 0.03 0.03 0.03 0.03 0.03 0.03 0.02 0.03 0.03 0.03 0.03 0.02 0.03 0.04 0.03 0.03 0.03 0.02
pm25 13 19 20 22 22 16 17 25 17 15 13 11 20 24 27 23 26 28 21 28 21 23 30 13 24 31 32 28 28 32
pm10 28 36 40 41 39 32 39 45 31 26 21 18 36 39 43 42 46 53 44 51 42 45 51 31 45 51 54 52 50 54
co:ppm 0.27 0.44 0.44 0.49 0.58 0.47 0.41 0.43 0.34 0.29 0.22 0.27 0.42 0.44 0.54 0.52 0.56 0.53 0.47 0.5 0.41 0.38 0.39 0.25 0.4 0.45 0.51 0.48 0.48 0.5
no2:ppm 0.01 0.01 0.01 0.02 0.02 0.02 0.01 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 0.01 0.01 0.01 0.01 0.01 0.01 0.02 0.02 0.02 0.02

Erlin

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
o3:ppm 0.02 0.03 0.03 0.03 0.03 0.03 0.03 0.04 0.04 0.03 0.02 0.02 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.04 0.03 0.02 0.03 0.04 0.04 0.04 0.03 0.03
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
co:ppm 0.22 0.35 0.35 0.37 0.44 0.34 0.3 0.32 0.23 0.18 0.15 0.19 0.29 0.32 0.4 0.43 0.44 0.4 0.38 0.38 0.31 0.29 0.26 0.12 0.27 0.31 0.39 0.36 0.36 0.35
pm25 14 24 24 26 25 18 21 26 18 15 14 13 21 23 26 24 26 31 23 27 21 21 25 10 19 25 26 23 21 21
pm10 33 51 54 56 50 43 54 54 36 29 28 26 50 51 65 67 76 57 40 56 53 52 52 30 48 57 66 64 57 71
no2:ppm 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0 0 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01

Xianxi

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
o3:ppm 0.03 0.05 0.04 0.04 0.03 0.03 0.04 0.04 0.04 0.03 0.02 0.02 0.04 0.04 0.04 0.03 0.03 0.03 0.03 0.03 0.03 0.04 0.03 0.03 0.04 0.04 0.04 0.04 0.03 0.03
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
pm25 14 20 21 22 22 15 17 24 16 14 11 9.8 19 22 26 25 26 29 22 30 23 23 26 16 24 32 35 31 28 34
pm10 28 43 48 49 45 38 48 52 37 30 25 18 37 41 47 47 54 58 44 55 43 50 47 32 49 59 67 61 57 64
co:ppm 0.23 0.35 0.36 0.4 0.46 0.34 0.31 0.34 0.27 0.23 0.17 0.23 0.32 0.34 0.41 0.45 0.47 0.43 0.4 0.4 0.35 0.3 0.3 0.21 0.32 0.36 0.41 0.41 0.39 0.39
no2:ppm 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.02 0.01 0.01 0.02 0.01 0.01 0.01 0.01 0.01 0.01 0.02 0.01 0.01 0.01

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