IQAir Logo
undefined
IQAir search icon
IQAir search icon
IQAir more icon
Air Quality IQAir more icon
Air Monitors IQAir more icon
Air Purifiers IQAir more icon
Face Masks
For Business IQAir more icon
News IQAir more icon
Support IQAir more icon
IQAir back icon
View our real-time, 3D animated air pollution map
View our interactive air quality map
Download our free air quality app
See the most polluted cities around the world

Live AQI city ranking

News
Indoor Air Quality Alert: Hurricane Helene Flooding

10 days ago

Explore world air quality
Historic air quality data (2017-2023)
Air Quality News
Free website widget
Air quality API
World's smartest air monitors

AirVisual Sensors

Learn about our featured data contributors around the world and how they help their communities improve air quality.

Featured contributors

Set up a monitor and join our global community of contributors increasing access to air quality data.

Join the movement

IQAir AirVisual Platform offers easy and convenient ways to share data and provide critical air quality data globally.

IQAir AirVisual Platform

News
Celebrating Swiss National Day

2 months ago

HealthPro Series

HealthPro Series

Award winning, Medical-grade air filtration

Atem Series

Atem Series

Smart, HyperHEPA air purifiers for large rooms, personal space or car

GC MultiGas

GC MultiGas

#1 for Multiple Chemical Sensitivities

Perfect 16

Perfect 16

#1 Rated Whole-House Air Purifiers

Buy Now arrow down icon
Air Quality Sensors

Air Quality Sensors

World’s Smartest Air Monitor

IQAir Mask

IQAir Mask

The ultimate face mask

Stand-Alone Air Purification arrow down icon
Commercial Air Purification

Commercial Air Purification

Shop high performance commercial air purifiers now

HealthPro Series

HealthPro Series

Award-winning, Medical-Grade air purifiers

Atem X

Atem X

Powerful air purification, quiet performance, stunning design

Atem Desk

Atem Desk

The most effective personal air purifier

GC and GCX Series

GC and GCX Series

#1 for Gases and Odors

Dental Series

Dental Series

Microbiological & Mercury Management

Cleanroom H13

Cleanroom H13

Microbiological Management

CleanZone Series

CleanZone Series

High performance with ultra-low noise

HVAC Air Filtration arrow down icon
Perfect 16

Perfect 16

Advanced HVAC purification

Face Mask arrow down icon
IQAir Mask

IQAir Mask

The ultimate face mask

Air Quality Monitoring arrow down icon
Air Quality Sensors

Air Quality Sensors

World’s Smartest Air Monitor

Air Quality Platform

Air Quality Platform

The leading air quality monitoring platform

Personal Air Purifiers arrow down icon
Atem Desk

Atem Desk

The most effective personal air purifier

Solutions arrow down icon
Clean air facility

Clean air facility

Schools

Schools

Hospitals & clinics

Hospitals & clinics

Hospitality

Hospitality

Dental offices

Dental offices

Laboratories

Laboratories

Museums

Museums

Latest news arrow down icon
Indoor Air Quality Alert: Hurricane Helene Flooding

Indoor Air Quality Alert: Hurricane Helene Flooding

A life-threatening hurricane is speeding towards the Florida coast and putting millions at risk from flooding, storm surge, and high winds. Find out more about this weather event.

Indoor Air Quality Alert: Central Europe Flooding

Indoor Air Quality Alert: Central Europe Flooding

Storm Boris has killed 16 people in multiple Central European countries. Find out more about this deadly weather event.

Wildfire Map Spotlight: Bridge Fire, California

Wildfire Map Spotlight: Bridge Fire, California

A growing fire in the wilderness bordering LA suburbs has burned homes. Find out more about this fire.

Wildfire Map Spotlight: Airport Fire, California

Wildfire Map Spotlight: Airport Fire, California

An uncontained and growing active fire is burning in mountains of Orange County, California. Find out more about the fire and related evacuations.

Wildfire Map Spotlight: Line Fire, California

Wildfire Map Spotlight: Line Fire, California

A heat weave fed a serious wildfire in San Bernardino County, where residents have been forced to evacuate. Read more about this fast-moving fire.

Air quality arrow down icon
Indoor Air Quality Alert: Hurricane Helene Flooding

Indoor Air Quality Alert: Hurricane Helene Flooding

A life-threatening hurricane is speeding towards the Florida coast and putting millions at risk from flooding, storm surge, and high winds. Find out more about this weather event.

Indoor Air Quality Alert: Central Europe Flooding

Indoor Air Quality Alert: Central Europe Flooding

Storm Boris has killed 16 people in multiple Central European countries. Find out more about this deadly weather event.

Wildfire Map Spotlight: Bridge Fire, California

Wildfire Map Spotlight: Bridge Fire, California

A growing fire in the wilderness bordering LA suburbs has burned homes. Find out more about this fire.

Wildfire Map Spotlight: Airport Fire, California

Wildfire Map Spotlight: Airport Fire, California

An uncontained and growing active fire is burning in mountains of Orange County, California. Find out more about the fire and related evacuations.

Wildfire Map Spotlight: Line Fire, California

Wildfire Map Spotlight: Line Fire, California

A heat weave fed a serious wildfire in San Bernardino County, where residents have been forced to evacuate. Read more about this fast-moving fire.

Climate arrow down icon
Community arrow down icon
Celebrating Swiss National Day

Celebrating Swiss National Day

Learn what Swiss identity means to IQAir as an international Swiss-born company.

Revealing the Invisible: Permian Health’s Air Quality Crusade in Gambia

Revealing the Invisible: Permian Health’s Air Quality Crusade in Gambia

Learn about Permian Health's innovative approach to improving air quality in Gambia, using cutting-edge technology to reveal invisible pollutants and safeguard public health.

Revealing the Invisible: Raising air quality awareness along a Bangkok bike lane

Revealing the Invisible: Raising air quality awareness along a Bangkok bike lane

An innovative cycling path in Bangkok is providing air quality information to thousands. Read on and see why.

IQAir and South Coast AQMD partner for clean air in classrooms

IQAir and South Coast AQMD partner for clean air in classrooms

IQAir Foundation teamed up with South Coast AQMD for an ambitious air filtration project at schools in Southern California. Learn more.

Crop burning smoke: A global health threat

Crop burning smoke: A global health threat

Crop burning is a common, worldwide practise – and the smoke from agricultural fires can have a terrible impact on our health. Read to better understand why.

Health & wellness arrow down icon
Featured contributors arrow down icon
Product Support

Product Support

Warranty Registration

Warranty Registration

Knowledge Base

Knowledge Base

Location pin icon

state

World China Sichuan

Air quality in Sichuan

Air quality index (AQI) and PM2.5 air pollution in Sichuan

Last update at (Local time)

LIVE AQI CITY RANKING

Real-time Sichuan
Most polluted city ranking

#cityUS AQI
1The national flag of International Dazhou

112

2The national flag of International Luzhou

107

3The national flag of International Nanchong

107

4The national flag of International Deyang

102

5The national flag of International Mianyang

97

6The national flag of International Chengdu

96

7The national flag of International Guangan

94

8The national flag of International Suining

92

9The national flag of International Bazhong

86

10The national flag of International Leshan

86

(Local time)

SEE WORLD AQI RANKING

LIVE AQI CITY RANKING

Real-time Sichuan
Cleanest city ranking

#cityUS AQI
1The national flag of International Liangshan

17

2The national flag of International Ganzizhou

28

3The national flag of International Panzhihua

55

4The national flag of International Aba

62

5The national flag of International Meishan

75

6The national flag of International Zigong

76

7The national flag of International Ziyang

77

8The national flag of International Neijiang

78

9The national flag of International Yibin

79

10The national flag of International Guangyuan

81

(Local time)

SEE WORLD AQI RANKING

3D animated air pollution map

#1 Air Quality App

Free iOS and Android air quality app

Learn More Now!
AirVisual App, Free iOS and Android air quality app
Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
IQAir AirVisual icon to open the map in fullscreen
plus icon clicked to zoom the map in
minus icon clicked to zoom the map out

News

The latest air quality news and resources.

News

10 days ago

external link icon

Indoor Air Quality Alert: Hurricane Helene Flooding

News

20 days ago

external link icon

Indoor Air Quality Alert: Central Europe Flooding

News

24 days ago

external link icon

Wildfire Map Spotlight: Bridge Fire, California

Sichuan air quality data attribution

2 Data sources

Which is the most polluted city in Sichuan?

Air pollution data of cities in Sichuan

Cart
Your cart is empty

Connect With IQAir

Sign up for our newsletter

About IQAir
Air Quality
Products
Business Solutions
News
Support
IWBI Logo
IQAir Logo
IQAir user preference settingAQI US, Metric
Terms of Use Privacy Policy © 2024 IQAir. All rights reserved