Changhua Air Pollution: Real-time Air Quality Index (AQI)

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Changhua AQI: Changhua Real-time Air Quality Index (AQI).
13
Good
Updated on Thursday 3:00
Primary pollutant: o3
currentpast 2 daysminmax
PM2.5 AQI
5Changhua, Taiwan PM25 (fine particulate matter) measured by TAQM - Taiwan Environmental Protection Agency (行政院環保署－空氣品質監測網). Values are converted to the US EPA AQI standard.561
PM10 AQI
4Changhua, Taiwan PM10 (respirable particulate matter) measured by TAQM - Taiwan Environmental Protection Agency (行政院環保署－空氣品質監測網). Values are converted to the US EPA AQI standard.450
O3 AQI
13Changhua, Taiwan O3 (ozone) measured by TAQM - Taiwan Environmental Protection Agency (行政院環保署－空氣品質監測網). Values are converted to the US EPA AQI standard.536
NO2 AQI
3Changhua, Taiwan NO2 (nitrogen dioxide) measured by TAQM - Taiwan Environmental Protection Agency (行政院環保署－空氣品質監測網). Values are converted to the US EPA AQI standard.119
SO2 AQI
1Changhua, Taiwan SO2 (sulfur dioxide) measured by TAQM - Taiwan Environmental Protection Agency (行政院環保署－空氣品質監測網). Values are converted to the US EPA AQI standard.110
CO AQI
1Changhua, Taiwan CO (carbon monoxide) measured by TAQM - Taiwan Environmental Protection Agency (行政院環保署－空氣品質監測網). Values are converted to the US EPA AQI standard.16
Temp.
27Changhua, Taiwan t (temp.) measured by Citizen Weather Observer Program (CWOP/APRS).2635
Pressure
1008Changhua, Taiwan p (pressure:) measured by Citizen Weather Observer Program (CWOP/APRS).9921009
Humidity
72Changhua, Taiwan h (humidity) measured by Citizen Weather Observer Program (CWOP/APRS).4397
Wind
2Changhua, Taiwan w (wind) measured by Citizen Weather Observer Program (CWOP/APRS).15
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Air Quality Forecast
THU 14
30°C
28°C
FRI 15
30°C
27°C
SAT 16
29°C
28°C
SUN 17
29°C
28°C
MON 18
30°C
27°C
TUE 19
28°C
25°C
WED 20
26°C
25°C
PM2.5
Thursday 14Friday 15Saturday 16Sunday 17Monday 18Tuesday 19Wednesday 20
hour
0369121518210369121518210369121518210369121518210369121518210369121518210369121518
Wind Speed (m/s)
3425101010733424222222444332223545666545677891112131110108757666























































Temp.
28°28°28°30°30°30°29°29°28°28°28°30°30°30°29°29°29°28°28°29°29°29°29°29°29°28°28°29°29°29°29°29°29°28°27°30°28°28°27°27°27°26°27°27°28°26°26°25°25°25°25°25°25°25°26°
relative humidity
72766969737478818280766470717476787067717371727575636069757375777878806776798181828679757277808484858483868279
barometric pressure
1006100710091010100910091009101010091008100810081008100610071008100710071008100810071005100510071007100610081008100710061007100810081008100910091008100810101010100910091009101010091009101010101009100910101011100910091009
total precipitation
0.10.10.10.10.10.10.30.60.10.10.20.80.94.61.85.48.419.15.88.41.41.61.21.40.61.91.74.40.92.81.63.20.70.7
UVI:
10


5:33 ~ 18:34
UVI:
10


5:34 ~ 18:33
UVI:
9


5:34 ~ 18:32
UVI:
9


5:35 ~ 18:31
UVI:
1


5:35 ~ 18:30


5:35 ~ 18:30


5:36 ~ 18:29
Forecast plotted using timezone +08:00
Latest forecast updates:
Wind: 15 hours ago [Aug 13, 2025 4:42 AM]
fine particulate matter: an hour ago [Aug 13, 2025 6:02 PM]
click to view the detailed forecast

Air Quality Data provided by: TAQM - Taiwan Environmental Protection Agency (行政院環保署－空氣品質監測網) (epa.gov.tw)

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About the Air Quality and Pollution Measurement:

About the Air Quality Levels

AQIAir Pollution LevelHealth ImplicationsCautionary Statement (for PM2.5)
0 - 50GoodAir quality is considered satisfactory, and air pollution poses little or no riskNone
51 -100ModerateAir quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.
101-150Unhealthy for Sensitive GroupsMembers of sensitive groups may experience health effects. The general public is not likely to be affected.Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.
151-200UnhealthyEveryone may begin to experience health effects; members of sensitive groups may experience more serious health effectsActive children and adults, and people with respiratory disease, such as asthma, should avoid prolonged outdoor exertion; everyone else, especially children, should limit prolonged outdoor exertion
201-300Very UnhealthyHealth warnings of emergency conditions. The entire population is more likely to be affected.Active children and adults, and people with respiratory disease, such as asthma, should avoid all outdoor exertion; everyone else, especially children, should limit outdoor exertion.
300+HazardousHealth alert: everyone may experience more serious health effectsEveryone should avoid all outdoor exertion

To know more about Air Quality and Pollution, check the wikipedia Air Quality topic or the airnow guide to Air Quality and Your Health.

For very useful health advices of Beijing Doctor Richard Saint Cyr MD, check www.myhealthbeijing.com blog.


Usage Notice: All the Air Quality data are unvalidated at the time of publication, and due to quality assurance these data may be amended, without notice, at any time. The World Air Quality Index project has exercised all reasonable skill and care in compiling the contents of this information and under no circumstances will the World Air Quality Index project team or its agents be liable in contract, tort or otherwise for any loss, injury or damage arising directly or indirectly from the supply of this data.



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