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

The latest data Last 7 days Miaoli pollution September 2017 - May 2020
Current data from stations: Miaoli
Locations: « Jiangong Miaoli
Pollution and air quality forecast for Miaoli. Today is Saturday, May 3, 2025. The following air pollution values have been recorded for Miaoli:
  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 Miaoli, Friday, May 27, 2022: 2.

air quality index: 1
AQI 2 Moderate

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

Today (Friday, May 27, 2022) air quality is moderate in Miaoli. Some pollutants in Miaoli may slightly affect very few hypersensitive individuals. Air pollutants in Miaoli 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 Miaoli? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Miaoli is: 19 (Good) The highest PM10 values usually occur in month: 59 (February 2018). The lowest value of particulate matter PM10 pollution in Miaoli is usually recorded in: June (15).

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

What is the current level of PM2.5 in Miaoli? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 10 (Good) For comparison, the highest level of PM2.5 in Miaoli 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: 27 (February 2018). 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 Miaoli

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 Miaoli from September 2017 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
pm25 14 (Moderate) 18 (Moderate) 19 (Moderate) 19 (Moderate) 22 (Moderate) 16 (Moderate) 17 (Moderate) 21 (Moderate) 19 (Moderate) 16 (Moderate) 13 (Good) 11 (Good) 21 (Moderate) 24 (Moderate) 24 (Moderate) 24 (Moderate) 25 (Moderate) 27 (Moderate) 19 (Moderate) 24 (Moderate) 21 (Moderate) 23 (Moderate) 27 (Moderate)
pm10 26 (Moderate) 32 (Moderate) 35 (Moderate) 33 (Moderate) 33 (Moderate) 27 (Moderate) 32 (Moderate) 35 (Moderate) 27 (Moderate) 23 (Moderate) 21 (Moderate) 15 (Good) 31 (Moderate) 34 (Moderate) 40 (Moderate) 42 (Moderate) 45 (Moderate) 59 (Unhealthy for Sensitive Groups) 41 (Moderate) 47 (Moderate) 39 (Moderate) 42 (Moderate) 48 (Moderate)
o3:ppm 0.02 (Good) 0.03 (Good) 0.03 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.03 (Good) 0.04 (Good) 0.03 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.02 (Good) 0.02 (Good) 0.03 (Good) 0.02 (Good) 0.03 (Good) 0.03 (Good) 0.04 (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)
co:ppm 0.28 (Good) 0.37 (Good) 0.39 (Good) 0.39 (Good) 0.47 (Good) 0.39 (Good) 0.33 (Good) 0.34 (Good) 0.29 (Good) 0.26 (Good) 0.21 (Good) 0.25 (Good) 0.36 (Good) 0.39 (Good) 0.47 (Good) 0.47 (Good) 0.5 (Good) 0.46 (Good) 0.43 (Good) 0.42 (Good) 0.37 (Good) 0.32 (Good) 0.34 (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) 0.02 (Good) 0.01 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good)
data source »

Miaoli

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)

Miaoli

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

Miaoli

2017-09   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
pm25 14 18 19 19 22 16 17 21 19 16 13 11 21 24 24 24 25 27 19 24 21 23 27
pm10 26 32 35 33 33 27 32 35 27 23 21 15 31 34 40 42 45 59 41 47 39 42 48
o3:ppm 0.02 0.03 0.03 0.02 0.02 0.02 0.03 0.04 0.03 0.02 0.02 0.02 0.03 0.03 0.03 0.02 0.02 0.03 0.02 0.03 0.03 0.04 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
co:ppm 0.28 0.37 0.39 0.39 0.47 0.39 0.33 0.34 0.29 0.26 0.21 0.25 0.36 0.39 0.47 0.47 0.5 0.46 0.43 0.42 0.37 0.32 0.34
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 0.02 0.01 0.02 0.02 0.02 0.01 0.01 0.01 0.01

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