AQI PM2.5 PM10 CO SO2 NO2 O3

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Changhua Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-06-05 08:55:00 AM (Local Time)

Live AQI

Air Quality is

Moderate

pm10 : 29 µg/m³

PM2.5 : 13 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

28 °C

Last Updated: 2025-06-05 08:55:00 AM (Local Time)

Map

Changhua

Major Air Pollutants
Changhua

Particulate Matter(PM2.5)

13µg/m³

Particulate Matter(PM10)

29µg/m³

Carbon Monoxide(CO)

377ppb

Sulfur Dioxide(SO2)

1ppb

Nitrogen Dioxide(NO2)

11ppb

Ozone(O3)

12ppb

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AQI Graph

Historical Air Quality Data
Changhua

24 Hours

AQI

Changhua

Want air quality data?

AQI Trends - Annual Air Quality Changes
Changhua, Changhua, Taiwan

AQI

Year

AQI

Annual AQI Trends

2020

45AQI

2021

59AQI

31%

Rise

2022

50AQI

-15%

Fall

2023

57AQI

14%

Rise

2024

51AQI

-11%

Fall

2025

59AQI

16%

Rise

Overall Annual Percentage (%) change of AQI in (2020 to 2025)

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedFebruary, 202185AQI

Least PollutedJune, 202028AQI

* This data analysis is from year 2020 - 2025

Changhua's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Central Taipower Shianshi

Moderate

Centraltaipower Changhua

Good

Centraltaipower Dadu

Moderate

Centraltaipower Fushing

Moderate

Centraltaipower Hemei

Moderate

Centraltaipower Lugang

Moderate

Centraltaipower Lungching

Moderate

Centraltaipower Shengang

Moderate

Xianxi

Moderate

Yanping Park

Good

Taiwan's Metro Cities
Air Quality Index

Hsinchu

Kaohsiung

Keelung

Tainan

Taipei

Air Quality Calendar 2025
Changhua

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 80	2 Jan 54	3 Jan 59	4 Jan 58
5 Jan 58	6 Jan 72	7 Jan 67	8 Jan 58	9 Jan 64	10 Jan 55	11 Jan 46
12 Jan 52	13 Jan 58	14 Jan 76	15 Jan 76	16 Jan 58	17 Jan 56	18 Jan 59
19 Jan 56	20 Jan 65	21 Jan 77	22 Jan 98	23 Jan 68	24 Jan 72	25 Jan 72
26 Jan 62	27 Jan 55	28 Jan 57	29 Jan 56	30 Jan 67	31 Jan 71	1 Feb 63

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 62	27 Jan 55	28 Jan 57	29 Jan 56	30 Jan 67	31 Jan 71	1 Feb 63
2 Feb 49	3 Feb 48	4 Feb 70	5 Feb 60	6 Feb 76	7 Feb 47	8 Feb 59
9 Feb 44	10 Feb 52	11 Feb 61	12 Feb 62	13 Feb 50	14 Feb 52	15 Feb 54
16 Feb 69	17 Feb 86	18 Feb 61	19 Feb 62	20 Feb 60	21 Feb 44	22 Feb 52
23 Feb 40	24 Feb 55	25 Feb 73	26 Feb 65	27 Feb 109	28 Feb 79	1 Mar 80

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 40	24 Feb 55	25 Feb 73	26 Feb 65	27 Feb 109	28 Feb 79	1 Mar 80
2 Mar 66	3 Mar 66	4 Mar 49	5 Mar 40	6 Mar 38	7 Mar 50	8 Mar 50
9 Mar 55	10 Mar 68	11 Mar 86	12 Mar 72	13 Mar 62	14 Mar 66	15 Mar 55
16 Mar 47	17 Mar 66	18 Mar 54	19 Mar 66	20 Mar 62	21 Mar 62	22 Mar 69
23 Mar 69	24 Mar 67	25 Mar 61	26 Mar 64	27 Mar 58	28 Mar 63	29 Mar 41
30 Mar 35	31 Mar 31	1 Apr 29	2 Apr 48	3 Apr 58	4 Apr 74	5 Apr 64

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 35	31 Mar 31	1 Apr 29	2 Apr 48	3 Apr 58	4 Apr 74	5 Apr 64
6 Apr 58	7 Apr 73	8 Apr 73	9 Apr 69	10 Apr 67	11 Apr 71	12 Apr 58
13 Apr 83	14 Apr 74	15 Apr 82	16 Apr 78	17 Apr 74	18 Apr 66	19 Apr 63
20 Apr 59	21 Apr 65	22 Apr 57	23 Apr 59	24 Apr 63	25 Apr 46	26 Apr 61
27 Apr 56	28 Apr 60	29 Apr 63	30 Apr 68	1 May 63	2 May 71	3 May 67

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 56	28 Apr 60	29 Apr 63	30 Apr 68	1 May 63	2 May 71	3 May 67
4 May 71	5 May 67	6 May 64	7 May 53	8 May 59	9 May 46	10 May 38
11 May 37	12 May 50	13 May 57	14 May 54	15 May 47	16 May 47	17 May 41
18 May 37	19 May 36	20 May 35	21 May 33	22 May 43	23 May 41	24 May 40
25 May 52	26 May 47	27 May 48	28 May 53	29 May 34	30 May 49	31 May 59

June

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
1 Jun 54	2 Jun 42	3 Jun 37	4 Jun 41	5 Jun -	6 Jun -	7 Jun -
8 Jun -	9 Jun -	10 Jun -	11 Jun -	12 Jun -	13 Jun -	14 Jun -
15 Jun -	16 Jun -	17 Jun -	18 Jun -	19 Jun -	20 Jun -	21 Jun -
22 Jun -	23 Jun -	24 Jun -	25 Jun -	26 Jun -	27 Jun -	28 Jun -
29 Jun -	30 Jun -	1 Jul -	2 Jul -	3 Jul -	4 Jul -	5 Jul -

Health Advice For People Living In
Changhua

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 PurifierTurn On
Car FilterMust
N95 MaskMust
Stay IndoorMust

Must turn on the air purifier to enjoy fresh air.

Prevent Health Problems: Understand Your Risks

Changhua

Asthma
Heart Issues
Allergies
Sinus
Cold/Flu
Chronic (COPD)

Mid. Chances of Asthma

Asthma

Risk of Asthma symptoms is Mid. when AQI is Moderate (50-150)

Moderate symptoms including frequent wheezing, noticeable shortness of breath, chest tightness, and persistent cough.

Do's :

Limit outdoor activities when AQI is poor.
Clean indoor air with an air purifier to reduce exposure.
Soothe the respiratory tract with herbal teas or warm water to help alleviate symptoms.

Don'ts :

Exercise outdoors without a mask.
Stay in smoky areas with strong fumes.

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

Nangan, Taiwan

Changhua, Taiwan

Jincheng, Taiwan

Zhongli, Taiwan

Banqiao, Taiwan

Taoyuan District, Taiwan

Pingzhen, Taiwan

Keelung, Taiwan

Yangmei, Taiwan

10.

Bade, Taiwan

Good

3xabove Standard

Last Updated: 05 Jun 2025, 03:43 AM

AQI City Rankings

Air Quality Solutions For Changhua
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

Monitor the air quality

Air Quality Sensors

Sensors to measure the air quality

Fresh Air Machine

Clean the air you breathe

Car Cabin Filter

Purify the air in your car

N95 Mask

Shield yourself from pollution

air quality solutions for offices for Changhua

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

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 Changhua

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

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

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

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

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

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

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

air quality solutions for airport for Changhua

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

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

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 Changhua

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

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

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

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

Changhua's AQI Data Analytics Solutions
Air quality data monitoring platforms

Mobile App

Smart TV App

Web Dashboard

API

Widgets

Mobile App

Empower Your Decisions with Reliable Data

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

Personalized health advice as per current AQI.

Analytical data to identify trends and conditions.

Connect and control your air quality devices.

Air Quality FAQs
at Changhua

Frequently Asked Questions About Air Quality

What is the current AQI level in Changhua?

The current real-time AQI level in Changhua is 58 (Moderate) due to recent rainfall by 1.59mm/hr. This was last updated 2025-06-05 08:55:00 AM (Local Time).

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

The best AQI level was 28 (Good) at 11:54 AM, Jun 4, 2025 (Local Time) during the last 24 hours.

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

The worst AQI level was 56 (Moderate) at 9:09 AM (Local Time) during the last 24 hours.

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

The AQI levels in Changhua have been fluctuating throughout the last 24 hours. The levels have increased by highest 56 at 9:09 AM (Local Time), lowest 28 at 11:54 AM, Jun 4, 2025 (Local Time).

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

Current AQI levels are acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.