Chengdu: Air Pollution Today — AQI Index, PM2.5/PM10, Smog Alerts and Forecast

Latest air quality data: Chengdu
Pollution and air quality forecast for Chengdu. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for Chengdu:
  1. particulate matter (PM2.5) dust - 77 (Very Unhealthy)
  2. particulate matter (PM10) suspended dust - 77 (Unhealthy for Sensitive Groups)
  3. ozone (O3) - 85 (Moderate)
  4. nitrogen dioxide (NO2) - 60 (Moderate)
  5. sulfur dioxide (SO2) - 12 (Good)
  6. carbon monoxide (CO) - 1445 (Good)
Real-time Air Quality Index (AQI) for Chengdu, Thursday, August 27, 2026: 5.

air quality index: 4
AQI 5 Very Unhealthy

What is the air quality in Chengdu today? Is the air polluted in Chengdu?. Is there smog?

Today (Thursday, August 27, 2026) air quality is very poor in Chengdu. Healthy people will commonly show symptoms of respiratory problem. People with respiratory or heart diseases will be significantly affected by air quality and will experience reduced endurance in in typical outdoor activities. Children, seniors and individuals with heart or lung diseases should stay indoors and avoid outdoor activities in Chengdu. Other residents should reduce outdoor activities.


What is the current level of PM2.5 in Chengdu? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 77 (Very Unhealthy) For comparison, the highest level of PM2.5 in Chengdu in the last 7 days was: 85 (Friday, August 21, 2026) and the lowest: 58 (Thursday, August 27, 2026). The highest PM2.5 values were recorded: 84 (January 2019). The lowest level of particulate matter PM2.5 pollution occurs in month: July (24).

What is the level of PM10 today in Chengdu? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Chengdu is: 77 (Unhealthy for Sensitive Groups) The highest PM10 values usually occur in month: 115 (January 2019). The lowest value of particulate matter PM10 pollution in Chengdu is usually recorded in: June (44).

How is the O3 level today in Chengdu? (ozone (O3))
85 (Moderate)

How high is the level of NO2? (nitrogen dioxide (NO2))
60 (Moderate)

What is the level of SO2 pollution? (sulfur dioxide (SO2))
12 (Good)

How high is the CO level? (carbon monoxide (CO))
1445 (Good)



Current data Thursday, August 27, 2026 at 9:00 AM

PM2,5 77 (Very Unhealthy)

PM10 77 (Unhealthy for Sensitive Groups)

O3 85 (Moderate)

NO2 60 (Moderate)

SO2 12 (Good)

CO 1445 (Good)

Data on air pollution from recent days in Chengdu

index 2026-08-27 2026-08-26 2026-08-25 2026-08-24 2026-08-23 2026-08-22 2026-08-21 2026-08-20
pm25 58
Unhealthy
58
Unhealthy
59
Unhealthy
64
Unhealthy
59
Unhealthy
68
Unhealthy
85
Very Unhealthy
69
Unhealthy
pm10 58
Unhealthy for Sensitive Groups
59
Unhealthy for Sensitive Groups
60
Unhealthy for Sensitive Groups
64
Unhealthy for Sensitive Groups
59
Unhealthy for Sensitive Groups
68
Unhealthy for Sensitive Groups
87
Unhealthy
72
Unhealthy for Sensitive Groups
o3 146
Unhealthy for Sensitive Groups
150
Unhealthy
115
Moderate
129
Unhealthy for Sensitive Groups
139
Unhealthy for Sensitive Groups
162
Unhealthy
109
Moderate
49
Good
no2 46
Moderate
46
Moderate
53
Moderate
50
Moderate
40
Moderate
40
Moderate
59
Moderate
70
Moderate
so2 9
Good
8
Good
6
Good
7
Good
7
Good
9
Good
11
Good
12
Good
co 1529
Good
1612
Good
1569
Good
1476
Good
1445
Good
1673
Good
1532
Good
1803
Good
data source »
Air pollution in Chengdu from October 2018 to May 2020
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10
pm25 44 (Unhealthy for Sensitive Groups) 44 (Unhealthy for Sensitive Groups) 45 (Unhealthy for Sensitive Groups) 56 (Unhealthy) 72 (Unhealthy) 84 (Very Unhealthy) 53 (Unhealthy for Sensitive Groups) 34 (Moderate) 32 (Moderate) 30 (Moderate) 24 (Moderate) 27 (Moderate) 41 (Unhealthy for Sensitive Groups) 46 (Unhealthy for Sensitive Groups) 47 (Unhealthy for Sensitive Groups) 59 (Unhealthy) 84 (Very Unhealthy) 65 (Unhealthy) 59 (Unhealthy) 56 (Unhealthy)
co 582 (Good) 677 (Good) 550 (Good) 654 (Good) 827 (Good) 847 (Good) 787 (Good) 569 (Good) 780 (Good) 638 (Good) 610 (Good) 568 (Good) 650 (Good) 700 (Good) 739 (Good) 892 (Good) 789 (Good) 797 (Good) 787 (Good) 906 (Good)
no2 38 (Good) 47 (Moderate) 41 (Moderate) 23 (Good) 44 (Moderate) 58 (Moderate) 44 (Moderate) 39 (Good) 37 (Good) 39 (Good) 38 (Good) 30 (Good) 40 (Good) 41 (Moderate) 53 (Moderate) 42 (Moderate) 45 (Moderate) 50 (Moderate) 52 (Moderate) 57 (Moderate)
o3 194 (Very Unhealthy) 131 (Unhealthy for Sensitive Groups) 105 (Moderate) 91 (Moderate) 61 (Good) 54 (Good) 53 (Good) 73 (Moderate) 93 (Moderate) 175 (Unhealthy) 130 (Unhealthy for Sensitive Groups) 145 (Unhealthy for Sensitive Groups) 134 (Unhealthy for Sensitive Groups) 131 (Unhealthy for Sensitive Groups) 86 (Moderate) 60 (Good) 53 (Good) 33 (Good) 56 (Good) 70 (Moderate)
pm10 78 (Unhealthy for Sensitive Groups) 71 (Unhealthy for Sensitive Groups) 75 (Unhealthy for Sensitive Groups) 71 (Unhealthy for Sensitive Groups) 85 (Unhealthy) 110 (Very Unhealthy) 80 (Unhealthy for Sensitive Groups) 55 (Unhealthy for Sensitive Groups) 60 (Unhealthy for Sensitive Groups) 67 (Unhealthy for Sensitive Groups) 46 (Moderate) 44 (Moderate) 59 (Unhealthy for Sensitive Groups) 72 (Unhealthy for Sensitive Groups) 74 (Unhealthy for Sensitive Groups) 76 (Unhealthy for Sensitive Groups) 115 (Very Unhealthy) 100 (Unhealthy) 88 (Unhealthy) 85 (Unhealthy)
so2 5.6 (Good) 4.9 (Good) 6.8 (Good) 5.9 (Good) 7.9 (Good) 10 (Good) 8.2 (Good) 7 (Good) 7.1 (Good) 5.4 (Good) 4.1 (Good) 3.4 (Good) 3.9 (Good) 4.7 (Good) 3.9 (Good) 3.6 (Good) 3.3 (Good) 5.2 (Good) 5.3 (Good) 6.3 (Good)
data source »

Quality of life in Chengdu

Green and Parks in the City

Chengdu 60%

Mongolia: 27% Bhutan: 82% Hong Kong: 52% Myanmar: 33%

particulate matter PM2.5

Chengdu 63 (Unhealthy)

Pleasure of spending time in the city

Chengdu 40%

Mongolia: 22% Bhutan: 61% Hong Kong: 43% Myanmar: 24%

particulate matter PM10

Chengdu 110 (Unhealthy)

Air Pollution

Chengdu 77%

Mongolia: 87% Bhutan: 45% Hong Kong: 67% Myanmar: 83%

Garbage Disposal

Chengdu 48%

Mongolia: 27% Bhutan: 47% Hong Kong: 52% Myanmar: 12%

Availability and quality of drinking water

Chengdu 51%

Mongolia: 46% Bhutan: 64% Hong Kong: 66% Myanmar: 34%

Cleanliness and tidiness

Chengdu 59%

Mongolia: 29% Bhutan: 57% Hong Kong: 54% Myanmar: 18%

Noise and Light pollution

Chengdu 50%

Mongolia: 48% Bhutan: 55% Hong Kong: 66% Myanmar: 52%

Water Pollution

Chengdu 59%

Mongolia: 68% Bhutan: 56% Hong Kong: 53% Myanmar: 74%
Source: Numbeo


Chengdu

Thursday, August 27, 2026 at 9:00 AM

PM2,5 77 (Very Unhealthy)

particulate matter (PM2.5) dust

PM10 77 (Unhealthy for Sensitive Groups)

particulate matter (PM10) suspended dust

O3 85 (Moderate)

ozone (O3)

NO2 60 (Moderate)

nitrogen dioxide (NO2)

SO2 12 (Good)

sulfur dioxide (SO2)

CO 1445 (Good)

carbon monoxide (CO)

Chengdu

index 2026-08-20 2026-08-21 2026-08-22 2026-08-23 2026-08-24 2026-08-25 2026-08-26 2026-08-27
pm25 69 85 68 59 64 59 58 58
pm10 72 87 68 59 64 60 59 58
o3 49 109 162 139 129 115 150 146
no2 70 59 40 40 50 53 46 46
so2 12 11 8.6 7.4 7.4 6.4 7.9 9.1
co 1803 1532 1673 1445 1476 1569 1612 1529

君平街

2018-10   2020-05
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10
pm25 44 44 45 56 72 84 53 34 32 30 24 27 41 46 47 59 84 65 59 56
co 582 677 550 654 827 847 787 569 780 638 610 568 650 700 739 892 789 797 787 906
no2 38 47 41 23 44 58 44 39 37 39 38 30 40 41 53 42 45 50 52 57
o3 194 131 105 91 61 54 53 73 93 175 130 145 134 131 86 60 53 33 56 70
pm10 78 71 75 71 85 110 80 55 60 67 46 44 59 72 74 76 115 100 88 85
so2 5.6 4.9 6.8 5.9 7.9 10 8.2 7 7.1 5.4 4.1 3.4 3.9 4.7 3.9 3.6 3.3 5.2 5.3 6.3

* Pollution data source: https://openaq.org (ChinaAQIData) The data is licensed under CC-By 4.0

🌦️ Weather · 16-day Forecast — Chengdu

🌦️ WEATHER · 16-DAY FORECASTChengdu🌧️33°RainToday · ↑35° ↓26°💨 2 km/h · 💧 58%Tue25.08🌧️35°26°Wed26.08🌧️34°27°Thu27.08🌧️35°25°Fri28.08🌧️29°25°Sat29.08🌧️25°24°Sun30.08☁️31°23°Mon31.08☁️33°23°Tue1.09☀️33°24°Wed2.09🌧️32°24°Thu3.09🌧️31°23°Fri4.09🌧️27°21°Sat5.09☀️31°22°Sun6.09🌧️26°22°Mon7.09☀️32°21°Tue8.09🌧️25°23°Wed9.09🌧️26°23°pollution-alert.com · August 27, 2026

16-day weather forecast for Chengdu: today around 35°C (rain), lows near 26°C. Daily temperature and conditions, updated every day. A moderate breeze (about 8 km/h) is partially dispersing pollutants today.

☀️ UV Index · 16-day Forecast — Chengdu

☀️ UV INDEX · 16-DAY FORECASTChengdu03681111+8.3UV VERY HIGHtoday, day maxSPF 50, long sleeves and shade between 10:00-16:00.⏱ Unprotected fair skin can burn in about 25 min8Wed26.088Thu27.085Fri28.081Sat29.088Sun30.088Mon31.088Tue1.097Wed2.097Thu3.092Fri4.098Sat5.098Sun6.097Mon7.091Tue8.098Wed9.098Thu10.090-2 low3-5 moderate6-7 high8-10 very high11+ extremepollution-alert.com · August 27, 2026

The UV index in Chengdu today is 8.3 (very high) — unprotected fair skin can burn in about 25 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Chengdu — compare nearby locations.

Frequently asked questions

Is the air safe to breathe in Chengdu today?
The current average PM2.5 across Chengdu is about 77 µg/m³, rated “Very Unhealthy”. Sensitive groups should limit time outdoors and consider a mask; everyone should reduce prolonged exertion.
What is the current PM2.5 level in Chengdu?
Right now PM2.5 in Chengdu averages about 77 µg/m³ (“Very Unhealthy”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.
Which day last week had the worst air in Chengdu?
Over the past week, the highest daily PM2.5 in Chengdu was recorded on Friday, August 21 (about 85 µg/m³).
What is the UV index in Chengdu today?
The UV index in Chengdu today is 8.3 (very high) — unprotected fair skin can burn in about 25 minutes.
Does today's wind help disperse smog in Chengdu?
A moderate breeze (about 8 km/h) is partially dispersing pollutants today.
How is air quality measured?
Air quality here is based on PM2.5 — the concentration of fine particulate matter in µg/m³. Lower values mean cleaner air. Data is updated daily from Open-Meteo.