Air Pollution in Long'an: Real-time Air Quality Index and smog alert.

The latest data Last 7 days Long'an pollution September 2017 - May 2020
Current data from stations: Guting
Locations: « Daan Long'an Da’an »
Pollution and air quality forecast for Long'an. Today is Friday, May 2, 2025. The following air pollution values have been recorded for Long'an:
  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 Long'an, Friday, May 27, 2022: 2.

air quality index: 1
AQI 2 Moderate

What is the air quality in Long'an today? Is the air polluted in Long'an?. Is there smog?

Today (Friday, May 27, 2022) air quality is moderate in Long'an. Some pollutants in Long'an may slightly affect very few hypersensitive individuals. Air pollutants in Long'an 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 Long'an? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Long'an is: 19 (Good) The highest PM10 values usually occur in month: 40 (March 2019). The lowest value of particulate matter PM10 pollution in Long'an is usually recorded in: August (17).

How is the O3 level today in Long'an? (ozone (O3))
91 (Moderate)

What is the current level of PM2.5 in Long'an? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 10 (Good) For comparison, the highest level of PM2.5 in Long'an 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: 24 (March 2019). The lowest level of particulate matter PM2.5 pollution occurs in month: August (9.2).

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 Long'an

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 Long'an 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 17 (Moderate) 15 (Moderate) 16 (Moderate) 14 (Moderate) 15 (Moderate) 11 (Good) 13 (Good) 15 (Moderate) 9.2 (Good) 9.2 (Good) 9.9 (Good) 11 (Good) 16 (Moderate) 23 (Moderate) 24 (Moderate) 20 (Moderate) 21 (Moderate) 16 (Moderate) 11 (Good) 16 (Moderate) 12 (Good) 14 (Moderate) 19 (Moderate)
pm10 27 (Moderate) 27 (Moderate) 28 (Moderate) 25 (Moderate) 24 (Moderate) 22 (Moderate) 28 (Moderate) 31 (Moderate) 19 (Good) 17 (Good) 21 (Moderate) 18 (Good) 31 (Moderate) 38 (Moderate) 40 (Moderate) 31 (Moderate) 35 (Moderate) 38 (Moderate) 24 (Moderate) 30 (Moderate) 20 (Moderate) 26 (Moderate) 31 (Moderate)
o3:ppm 0.03 (Good) 0.04 (Good) 0.04 (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) 0.02 (Good) 0.04 (Good) 0.04 (Good) 0.04 (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)
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 0.4 (Good) 0.38 (Good) 0.46 (Good) 0.45 (Good) 0.49 (Good) 0.43 (Good) 0.29 (Good) 0.32 (Good) 0.28 (Good) 0.26 (Good) 0.3 (Good) 0.41 (Good) 0.38 (Good) 0.55 (Good) 0.52 (Good) 0.5 (Good) 0.54 (Good) 0.57 (Good) 0.44 (Good) 0.42 (Good) 0.42 (Good) 0.38 (Good) 0.42 (Good)
no2:ppm 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) 0.02 (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) 0.02 (Good) 0.02 (Good) 0.02 (Good)
data source »

Guting

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)

Guting

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

Guting

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 17 15 16 14 15 11 13 15 9.2 9.2 9.9 11 16 23 24 20 21 16 11 16 12 14 19
pm10 27 27 28 25 24 22 28 31 19 17 21 18 31 38 40 31 35 38 24 30 20 26 31
o3:ppm 0.03 0.04 0.04 0.03 0.03 0.03 0.04 0.04 0.03 0.02 0.02 0.02 0.04 0.04 0.04 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.04
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 0.4 0.38 0.46 0.45 0.49 0.43 0.29 0.32 0.28 0.26 0.3 0.41 0.38 0.55 0.52 0.5 0.54 0.57 0.44 0.42 0.42 0.38 0.42
no2:ppm 0.01 0.01 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 0.02 0.02 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