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

The latest data Last 7 days Dayuan pollution December 2016 - May 2020
Current data from stations: Dali
Locations: « Dali Dayuan Dali »
Pollution and air quality forecast for Dayuan. Today is Friday, May 2, 2025. The following air pollution values have been recorded for Dayuan:
  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 Dayuan, Friday, May 27, 2022: 2.

air quality index: 1
AQI 2 Moderate

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

Today (Friday, May 27, 2022) air quality is moderate in Dayuan. Some pollutants in Dayuan may slightly affect very few hypersensitive individuals. Air pollutants in Dayuan 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 Dayuan? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Dayuan is: 19 (Good) The highest PM10 values usually occur in month: 66 (December 2016). The lowest value of particulate matter PM10 pollution in Dayuan is usually recorded in: July (21).

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

What is the current level of PM2.5 in Dayuan? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 10 (Good) For comparison, the highest level of PM2.5 in Dayuan 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: 30 (March 2017). The lowest level of particulate matter PM2.5 pollution occurs in month: June (10).

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 Dayuan

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 Dayuan 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 15 (Moderate) 22 (Moderate) 23 (Moderate) 24 (Moderate) 24 (Moderate) 18 (Moderate) 19 (Moderate) 25 (Moderate) 15 (Moderate) 13 (Moderate) 11 (Good) 10 (Good) 15 (Moderate) 19 (Moderate) 21 (Moderate) 19 (Moderate) 19 (Moderate) 19 (Moderate) 18 (Moderate) 22 (Moderate) 16 (Moderate) 23 (Moderate) 22 (Moderate) 12 (Good) 17 (Moderate) 25 (Moderate) 30 (Moderate) 28 (Moderate) 27 (Moderate) 30 (Moderate)
pm10 28 (Moderate) 38 (Moderate) 44 (Moderate) 45 (Moderate) 43 (Moderate) 34 (Moderate) 39 (Moderate) 44 (Moderate) 32 (Moderate) 27 (Moderate) 21 (Moderate) 21 (Moderate) 35 (Moderate) 38 (Moderate) 46 (Moderate) 44 (Moderate) 46 (Moderate) 50 (Unhealthy for Sensitive Groups) 48 (Moderate) 53 (Unhealthy for Sensitive Groups) 46 (Moderate) 51 (Unhealthy for Sensitive Groups) 54 (Unhealthy for Sensitive Groups) 29 (Moderate) 47 (Moderate) 56 (Unhealthy for Sensitive Groups) 61 (Unhealthy for Sensitive Groups) 58 (Unhealthy for Sensitive Groups) 53 (Unhealthy for Sensitive Groups) 66 (Unhealthy for Sensitive Groups)
o3:ppm 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.02 (Good) 0.02 (Good) 0.03 (Good) 0.04 (Good) 0.04 (Good) 0.03 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.03 (Good) 0.03 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.03 (Good) 0.04 (Good) 0.02 (Good) 0.03 (Good) 0.03 (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 0.31 (Good) 0.48 (Good) 0.5 (Good) 0.53 (Good) 0.64 (Good) 0.55 (Good) 0.47 (Good) 0.48 (Good) 0.39 (Good) 0.36 (Good) 0.29 (Good) 0.34 (Good) 0.51 (Good) 0.48 (Good) 0.62 (Good) 0.57 (Good) 0.63 (Good) 0.6 (Good) 0.57 (Good) 0.56 (Good) 0.5 (Good) 0.46 (Good) 0.45 (Good) 0.31 (Good) 0.45 (Good) 0.5 (Good) 0.54 (Good) 0.53 (Good) 0.57 (Good) 0.6 (Good)
no2:ppm 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) 0.02 (Good) 0.02 (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) 0.02 (Good) 0.01 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good)
data source »

Dali

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)

Dali

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

Dali

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 28 38 44 45 43 34 39 44 32 27 21 21 35 38 46 44 46 50 48 53 46 51 54 29 47 56 61 58 53 66
pm25 15 22 23 24 24 18 19 25 15 13 11 10 15 19 21 19 19 19 18 22 16 23 22 12 17 25 30 28 27 30
o3:ppm 0.03 0.03 0.03 0.03 0.02 0.02 0.03 0.04 0.04 0.03 0.02 0.02 0.02 0.03 0.03 0.02 0.02 0.02 0.02 0.02 0.02 0.03 0.04 0.02 0.03 0.03 0.03 0.03 0.02 0.02
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 0.31 0.48 0.5 0.53 0.64 0.55 0.47 0.48 0.39 0.36 0.29 0.34 0.51 0.48 0.62 0.57 0.63 0.6 0.57 0.56 0.5 0.46 0.45 0.31 0.45 0.5 0.54 0.53 0.57 0.6
no2:ppm 0.01 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.01 0.01 0.01 0.01 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.01 0.02 0.01 0.02 0.02 0.02 0.02 0.02 0.02

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