AQI PM2.5 PM10 CO SO2 NO2 O3

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Changan Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-06-11 11:39:43 AM (Local Time)

Live AQI

Air Quality is

Moderate

pm10 : 29 µg/m³

PM2.5 : 12 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

26 °C

Last Updated: 2025-06-11 11:39:43 AM (Local Time)

Map

Changan

Major Air Pollutants
Changan

Particulate Matter(PM2.5)

12µg/m³

Particulate Matter(PM10)

29µg/m³

Carbon Monoxide(CO)

494ppb

Sulfur Dioxide(SO2)

2ppb

Nitrogen Dioxide(NO2)

5ppb

Ozone(O3)

32ppb

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AQI Graph

Historical Air Quality Data
Changan

24 Hours

AQI

Changan

Want air quality data?

AQI Trends - Annual Air Quality Changes
Changan, Hunan, China

AQI

Year

AQI

Annual AQI Trends

2020

94AQI

2021

101AQI

Rise

2022

94AQI

-7%

Fall

2023

88AQI

-6%

Fall

2024

87AQI

-1%

Fall

2025

105AQI

21%

Rise

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

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedDecember, 2020154AQI

Least PollutedJuly, 202438AQI

* This data analysis is from year 2020 - 2025

Changan's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Yunxi District

Moderate

China's Metro Cities
Air Quality Index

Beijing

Chengdu

Chongqing

Dongguan

Guangzhou

Shanghai

Shenyang

Shenzhen

Air Quality Calendar 2025
Changan

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 158	2 Jan 174	3 Jan 187	4 Jan 210
5 Jan 150	6 Jan 161	7 Jan 143	8 Jan 153	9 Jan 127	10 Jan 120	11 Jan 134
12 Jan 130	13 Jan 142	14 Jan 157	15 Jan 111	16 Jan 129	17 Jan 123	18 Jan 153
19 Jan 150	20 Jan 167	21 Jan 153	22 Jan 171	23 Jan 205	24 Jan 165	25 Jan 97
26 Jan 99	27 Jan 91	28 Jan 125	29 Jan 148	30 Jan 127	31 Jan 166	1 Feb 129

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 99	27 Jan 91	28 Jan 125	29 Jan 148	30 Jan 127	31 Jan 166	1 Feb 129
2 Feb 129	3 Feb 144	4 Feb 126	5 Feb 124	6 Feb 104	7 Feb 108	8 Feb 75
9 Feb 86	10 Feb 104	11 Feb 105	12 Feb 128	13 Feb 145	14 Feb 148	15 Feb 154
16 Feb 124	17 Feb 105	18 Feb 91	19 Feb 100	20 Feb 119	21 Feb 132	22 Feb 82
23 Feb 149	24 Feb 134	25 Feb 139	26 Feb 120	27 Feb 106	28 Feb 110	1 Mar 93

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 149	24 Feb 134	25 Feb 139	26 Feb 120	27 Feb 106	28 Feb 110	1 Mar 93
2 Mar 77	3 Mar 54	4 Mar 83	5 Mar 77	6 Mar 99	7 Mar 108	8 Mar 101
9 Mar 104	10 Mar 99	11 Mar 86	12 Mar 113	13 Mar 93	14 Mar 83	15 Mar 73
16 Mar 84	17 Mar 74	18 Mar 82	19 Mar 81	20 Mar 83	21 Mar 81	22 Mar 88
23 Mar 110	24 Mar 97	25 Mar 104	26 Mar 121	27 Mar 120	28 Mar 87	29 Mar 94
30 Mar 82	31 Mar 96	1 Apr 92	2 Apr 93	3 Apr 98	4 Apr 107	5 Apr 111

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 82	31 Mar 96	1 Apr 92	2 Apr 93	3 Apr 98	4 Apr 107	5 Apr 111
6 Apr 103	7 Apr 103	8 Apr 114	9 Apr 103	10 Apr 94	11 Apr 85	12 Apr 262
13 Apr 126	14 Apr 144	15 Apr 96	16 Apr 105	17 Apr 104	18 Apr 98	19 Apr 100
20 Apr 108	21 Apr 77	22 Apr 86	23 Apr 83	24 Apr 75	25 Apr 88	26 Apr 74
27 Apr 80	28 Apr 94	29 Apr 92	30 Apr 78	1 May 86	2 May 79	3 May 86

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 80	28 Apr 94	29 Apr 92	30 Apr 78	1 May 86	2 May 79	3 May 86
4 May 91	5 May 77	6 May 106	7 May 108	8 May 73	9 May 86	10 May 78
11 May 76	12 May 81	13 May 80	14 May 101	15 May 86	16 May 71	17 May 78
18 May 103	19 May 85	20 May 68	21 May 67	22 May 57	23 May 81	24 May 92
25 May 89	26 May 88	27 May 97	28 May 72	29 May 72	30 May 56	31 May 52

June

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
1 Jun 46	2 Jun 59	3 Jun 69	4 Jun 87	5 Jun 73	6 Jun 78	7 Jun 66
8 Jun 63	9 Jun 69	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
Changan

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

Changan

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
China

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

Hotan, China

Qufu, China

Chengtangcun, China

Feicheng, China

Jining, China

Gar, China

Wenlan, China

Yucheng, China

Lanzhou, China

10.

Dengtalu, China

Poor

7xabove Standard

Last Updated: 11 Jun 2025, 04:02 AM

AQI City Rankings

Air Quality Solutions For Changan
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 Changan

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 Changan

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 Changan

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 Changan

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.

Changan'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 Changan

Frequently Asked Questions About Air Quality

What is the current AQI level in Changan?

The current real-time AQI level in Changan is 57 (Moderate) due to recent rainfall by 0.05mm/hr. This was last updated 2025-06-11 11:39:43 AM (Local Time).

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

The best AQI level was 57 (Moderate) at 11:09 AM (Local Time) during the last 24 hours.

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

The worst AQI level was 90 (Moderate) at 5:09 PM, Jun 10, 2025 (Local Time) during the last 24 hours.

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

The AQI levels in Changan have been fluctuating throughout the last 24 hours. The levels have increased by highest 90 at 5:09 PM, Jun 10, 2025 (Local Time), lowest 57 at 11:09 AM (Local Time).

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

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