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  • Chiayi
Chiayi
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Live

Chiayi Air Quality Index (AQI) | Air Pollution

Real-time PM2.5, PM10 air pollution level in Taiwan

Last Updated: 13 minutes ago (Local Time)

location image
Live AQI
42
Air Quality is
Good
pm10 :  20 µg/m³
PM2.5 :  8 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi good level.webp in Chiayi
partly cloudy

33 °C

Partly cloudy
Humidity
Humidity71 %

Wind Speed
Wind Speed14 km/h

UV Index
UV Index5
Last Updated: 13 minutes ago (Local Time)
AQI LogoMap

Chiayi

Major Air Pollutants

Chiayi

PM2.5's Icon

Particulate Matter(PM2.5)

8µg/m³

PM10's Icon

Particulate Matter(PM10)

20µg/m³

CO's Icon

Carbon Monoxide(CO)

108ppb

SO2's Icon

Sulfur Dioxide(SO2)

1ppb

NO2's Icon

Nitrogen Dioxide(NO2)

3ppb

O3's Icon

Ozone(O3)

26ppb

Trending in Taiwan

Is Poor Air Quality in Gyms Holding Back Your Fitness Goals?

Is Poor Air Quality in Gyms Holding Back Your Fitness Goals?

Why You Should Be Monitoring Air Quality During Monsoon — Not Just in Winter?

Why You Should Be Monitoring Air Quality During Monsoon — Not Just in Winter?

Air Pollution and Lung Cancer: How Toxic Air is Mutating Your DNA?

Air Pollution and Lung Cancer: How Toxic Air is Mutating Your DNA?

City Climate Change Severity Analysis is NOW LIVE on AQI.in!📢

City Climate Change Severity Analysis is NOW LIVE on AQI.in!📢

AQI Graph

Historical Air Quality Data

Chiayi

24 Hours
AQI
Chiayi
AQI
.
15-07-2025Time16-07-2025
TimeChiayi
03 PM40
04 PM36
05 PM40
06 PM33
07 PM44
08 PM46
09 PM45
10 PM46
11 PM44
12 AM45
01 AM47
02 AM47
03 AM45
04 AM45
05 AM44
06 AM44
07 AM44
08 AM42
09 AM42
10 AM40
11 AM38
12 PM32
01 PM34
02 PM35
03 PM40
32
Min.at 12:09 PM on 16th Jul
47
Max.at 1:09 AM on 16th Jul

Want air quality data?

AQI Logo

Download 2024 Annual Data

World Air Quality Report

Globe

Chiayi's Cities

Real-time Air Pollution Level

Location
Status
AQI
PM2.5(µg/m³)
PM10(µg/m³)
Temp.(°C)
Humi.(%)
Chiayi
Good
36
6
20
32
70
Pozi
Moderate
52
9
21
31
77
Taibao
Good
42
8
20
31
76

Taiwan's Metro Cities

Air Quality Index

Hsinchu City AQI

Hsinchu

42

temp.34°C

hum.63%
Kaohsiung City AQI

Kaohsiung

50

temp.32°C

hum.71%
Keelung City AQI

Keelung

49

temp.34°C

hum.63%
Tainan City AQI

Tainan

47

temp.32°C

hum.75%
Taipei City AQI

Taipei

53

temp.34°C

hum.63%

Health Advice For People Living In

Chiayi

0Cigarettes per day

Weekly 0 Cigarettes
Monthly 0 Cigarettes

Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.

Source:

Berkeley Earth


Solutions for Current AQI

  • Air Purifier
    Air PurifierTurn Off
  • Car Filter
    Car FilterAdvisable
  • N95 Mask
    N95 MaskAdvisable
  • Stay Indoor
    Stay IndoorAdvisable


As per the current AQI, turn off the air purifier.

Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Chiayi

  • asthma due to air pollution in ChiayiAsthma
  • heart due to air pollution in ChiayiHeart Issues
  • allergy due to air pollution in ChiayiAllergies
  • sinus due to air pollution in ChiayiSinus
  • flu due to air pollution in ChiayiCold/Flu
  • copd due to air pollution in ChiayiChronic (COPD)
asthma due to air pollution in Chiayi

Low Chances of Asthma

Asthma

Risk of Asthma symptoms is Low when AQI is Good (0-50)

Mild symptoms such as slight wheezing, occasional cough, and minor shortness of breath

Do's :

  • Keep track of air quality to plan outdoor activities safely.

  • Drink water to keep airways moist and reduce irritation.

  • Include non-allergenic fruits and vegetables that support overall lung health, like apples, pears, and spinach.

Don'ts :

  • Skip medications that is prescribed by your doctor.

  • Engage in outdoor activities in early morning during high pollen hours.

Most Polluted Cities 2025

Taiwan

Analyze the real-time most air polluted cities in the country.

Most Polluted Cities Live Ranking 2025
World's Most PollutedCity Rankings (2024)
World's Most PollutedCountry Rankings(2024)
RankCityAQIAQI Status

Standard Value

Follow

1.

Nangan, Taiwan

68
Moderate
5xabove Standard

2.

Jincheng, Taiwan

67
Moderate
4xabove Standard

3.

Taoyuan District, Taiwan

54
Moderate
4xabove Standard

4.

Banqiao, Taiwan

54
Moderate
4xabove Standard

5.

Taipei, Taiwan

53
Moderate
4xabove Standard

6.

Pozi, Taiwan

52
Moderate
3xabove Standard

7.

Yilan, Taiwan

50
Good
3xabove Standard

8.

Zhongli, Taiwan

50
Good
3xabove Standard

9.

Kaohsiung, Taiwan

50
Good
3xabove Standard

10.

Keelung, Taiwan

49
Good
3xabove Standard

Last Updated: 16 Jul 2025, 07:52 AM

AQI City Rankings

Air Quality Solutions For Chiayi

Explore the solutions of air quality monitoring & clean air.

Here are some applications that you can go through to find out the solutions.

Air Quality Monitor

Air Quality Monitor

Monitor the air quality
Air Quality Sensors

Air Quality Sensors

Sensors to measure the air quality
Fresh Air Machine

Fresh Air Machine

Clean the air you breathe
Car Cabin Filter

Car Cabin Filter

Purify the air in your car
N95 Mask

N95 Mask

Shield yourself from pollution
air quality solutions for offices for Chiayi

Air Quality Solution For Offices

A complete solution for air quality monitoring, data analysis, and fresh air solutions in workplaces prioritizing employee's health and productivity.

air quality solutions for smart-city for Chiayi

Air Quality Solutions For Smart City

Prana Air smart city project provides air quality monitors, drones, outdoor air purifiers, and data dashboards solution to improve air quality.

air quality solutions for institutes for Chiayi

Air Quality Solutions for Schools | Institutes

Prana Air provides the air quality solutions for schools by air monitoring & fresh air machine that help the students to breather clean air.

air quality solutions for hotels for Chiayi

Air Quality Solutions For Hotels

Prana Air air quality solutions are suited for hotel businesses. The occupancy of hotels is the main reasons for bad air quality.

air quality solutions for restaurants for Chiayi

Air Quality Solutions for Restaurants

Prana Air has the air quality solutions for restaurant, cafes, and gives you the power to know what your customers and staff breathe.

air quality solutions for rmc-plants for Chiayi

Air Quality Solutions for RMC Plants

Prana Air provides air quality monitoring solutions for RMC plants. Improve compliance, protect workers and community, and reduce emissions.

air quality solutions for fitness-center for Chiayi

Air Quality Solutions for Fitness Center

Prana Air provides the air quality solutions of pollution monitoring and fresh air for fitness center - gym.

air quality solutions for parking-lot for Chiayi

Air Quality Solutions for Parking Lot

A complete solution for air monitoring, data analysis, and fresh air solutions for enclosed car parking areas and car lots.

air quality solutions for retail-stores for Chiayi

Air Quality Solutions for Retail Stores

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets.

air quality solutions for airport for Chiayi

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets

Prana Air provides the air quality solutions for airport. Gathering of many passengers is the main reasons of bad air quality in airport.

air quality solutions for construction-sites for Chiayi

Air Quality Solutions For Construction Sites

Prana Air offers air quality monitoring solutions for construction sites with data cloud storage, web-dashboard, mobile apps, TV display.

air quality solutions for hospitals for Chiayi

Air Quality Solutions For Hospitals

Prana Air provides air quality monitoring and fresh air solutions for hospitals to ensure clean and healthy indoor air.

air quality solutions for bathroom for Chiayi

Air Quality Solutions For Washroom | Bathroom

Improve washroom and bathroom air quality with Prana Air air quality monitoring devices and fresh air machine. Breathe easy and stay healthy.

air quality solutions for banks for Chiayi

Air Quality Solutions for Banks

Prana Air provides air quality solutions of pollution monitoring and fresh air for banks and financial institutions.

air quality solutions for cinema for Chiayi

Air Quality Solutions for Cinema

Air quality solutions for cinema halls or theatres will help the customers to get the good experience, comfort and breathe clean air.

air quality solutions for real-estates for Chiayi

Air Quality Solutions For Real Estates

Prana Air provides the air quality solutions of pollution monitoring and fresh air for real estates - residential and commercial.

Chiayi's AQI Data Analytics Solutions

Air quality data monitoring platforms

Mobile AppMobile App
Smart TV AppSmart TV App
Web DashboardWeb Dashboard
APIAPI
WidgetsWidgets
aqi air quality app for Chiayi
Mobile App

Empower Your Decisions with Reliable Data

Get it onApp Store
Get it onGoogle Play
Your area’s real-time data with detailed parameters.

Your area’s real-time data with detailed parameters.


Personalized health advice as per current AQI.

Personalized health advice as per current AQI.


Analytical data to identify trends and conditions.

Analytical data to identify trends and conditions.


Connect and control your air quality devices.

Connect and control your air quality devices.


Air Quality FAQs

at Chiayi

Frequently Asked Questions About Air Quality

What is the current AQI level in Chiayi?

The current real-time AQI level in Chiayi is 42 (Good) due to recent rainfall by 0.16mm/hr. This was last updated 13 minutes ago (Local Time).

When was the best AQI level in Chiayi in the last 24 hours?

The best AQI level was 32 (Good) at 12:09 PM (Local Time) during the last 24 hours.

When was the worst AQI level in Chiayi in the last 24 hours?

The worst AQI level was 47 (Good) at 1:09 AM (Local Time) during the last 24 hours.

What is the current trend of AQI levels in Chiayi during last 24 hours?

The AQI levels in Chiayi have been fluctuating throughout the last 24 hours. The levels have increased by highest 47 at 1:09 AM (Local Time), lowest 32 at 12:09 PM (Local Time).

What actions are recommended as per the current AQI level in Chiayi?

The air quality is satisfactory, and air pollution poses little or no risk. No special precautions are needed; enjoy outdoor activities freely.

Recent AQI Blogs

Read the latest news

Here are some latest blogs that you can go through to find out more air pollution.

Do People Really Consider Air Pollution Before Moving to Delhi NCR?

Do People Really Consider Air Pollution Before Moving to Delhi NCR?

15 Jul 2025Shakshi
Is Poor Air Quality in Gyms Holding Back Your Fitness Goals?

Is Poor Air Quality in Gyms Holding Back Your Fitness Goals?

12 Jul 2025Shakshi
Air Pollution and Lung Cancer: How Toxic Air is Mutating Your DNA?

Air Pollution and Lung Cancer: How Toxic Air is Mutating Your DNA?

7 Jul 2025Shakshi
Can Banning Old Vehicles Really Improve Delhi’s Air Quality? Here’s What the Data Says

Can Banning Old Vehicles Really Improve Delhi’s Air Quality? Here’s What the Data Says

4 Jul 2025Gyane Haobijam
Arizona Dust Storm 2025: How the Sudden Storm Pushed AQI to Hazardous Levels?

Arizona Dust Storm 2025: How the Sudden Storm Pushed AQI to Hazardous Levels?

2 Jul 2025Shakshi
Air Pollution Comparison Between England vs India: What a 45% Asthma Spike in the UK Reveals

Air Pollution Comparison Between England vs India: What a 45% Asthma Spike in the UK Reveals

1 Jul 2025Shakshi
Urban Heat Islands in India: The 2024 Climate Crisis in Metro Cities

Urban Heat Islands in India: The 2024 Climate Crisis in Metro Cities

24 Jun 2025Shakshi
Delhi AQI Drops After Months: How Rain Provided Temporary Relief in Pollution Levels 

Delhi AQI Drops After Months: How Rain Provided Temporary Relief in Pollution Levels 

19 Jun 2025Shakshi
AQI.IN Launched First Ever City-Level Climate Change Severity Index -June 2025

AQI.IN Launched First Ever City-Level Climate Change Severity Index -June 2025

19 Jun 2025Gyane Haobijam
Noise Pollution in Ocean: The Silent Threat Beneath the Waves

Noise Pollution in Ocean: The Silent Threat Beneath the Waves

17 Jun 2025Shakshi
Prana Air Logo

Prana Sense

Air Quality Monitor

Air Quality Index depicts the extent of air pollution at a particular location.

Prana Sense Air Quality MonitorPrana Sense Air Quality Monitor
Prana Air Logo

Pocket PM

Air Quality Monitor

Know the air quality around you wherever you are with the Pocket monitor to get instant air quality insights.

Pocket PM Air Quality MonitorPocket PM Air Quality Monitor
Prana Air Logo

Cair +

Indoor Air Quality Monitor

Track indoor air quality with advanced connectivity and portability for real-time air quality data.

Cair + Indoor Air Quality MonitorCair + Indoor Air Quality Monitor