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

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The latest data Last 7 days

Latest air quality data: Xi’an

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Pollution and air quality forecast for Xi’an. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for Xi’an:

particulate matter (PM2.5) dust - 37 (Unhealthy for Sensitive Groups)
particulate matter (PM10) suspended dust - 37 (Moderate)
ozone (O3) - 74 (Moderate)
nitrogen dioxide (NO2) - 48 (Moderate)
sulfur dioxide (SO2) - 13 (Good)
carbon monoxide (CO) - 607 (Good)

Real-time Air Quality Index (AQI) for Xi’an, Thursday, August 27, 2026: 3.

AQI 3 Unhealthy for Sensitive Groups

What is the air quality in Xi’an today? Is the air polluted in Xi’an?. Is there smog?

Today (Thursday, August 27, 2026) air quality is moderately polluted in Xi’an. Healthy people may experience slight irritations and sensitive persons will be slightly affected to a larger extent by the pollutions in Xi’an.

What is the current level of PM2.5 in Xi’an? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 37 (Unhealthy for Sensitive Groups) For comparison, the highest level of PM2.5 in Xi’an in the last 7 days was: 53 (Saturday, August 22, 2026) and the lowest: 38 (Wednesday, August 26, 2026).

What is the level of PM10 today in Xi’an? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Xi’an is: 37 (Moderate)

How is the O3 level today in Xi’an? (ozone (O3))
74 (Moderate)

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

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

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

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

PM2,5 37 (Unhealthy for Sensitive Groups)

PM10 37 (Moderate)

O3 74 (Moderate)

NO2 48 (Moderate)

SO2 13 (Good)

CO 607 (Good)

Data on air pollution from recent days in Xi’an

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	42 Unhealthy for Sensitive Groups	38 Unhealthy for Sensitive Groups	41 Unhealthy for Sensitive Groups	52 Unhealthy for Sensitive Groups	50 Unhealthy for Sensitive Groups	53 Unhealthy for Sensitive Groups	53 Unhealthy for Sensitive Groups	53 Unhealthy for Sensitive Groups
pm10	42 Moderate	39 Moderate	42 Moderate	53 Unhealthy for Sensitive Groups	51 Unhealthy for Sensitive Groups	53 Unhealthy for Sensitive Groups	55 Unhealthy for Sensitive Groups	55 Unhealthy for Sensitive Groups
o3	124 Unhealthy for Sensitive Groups	88 Moderate	86 Moderate	106 Moderate	96 Moderate	96 Moderate	94 Moderate	91 Moderate
no2	57 Moderate	59 Moderate	55 Moderate	51 Moderate	55 Moderate	54 Moderate	53 Moderate	56 Moderate
so2	14 Good	13 Good	13 Good	11 Good	12 Good	12 Good	12 Good	13 Good
co	637 Good	564 Good	567 Good	861 Good	646 Good	549 Good	584 Good	681 Good

data source »

Xi’an

Thursday, August 27, 2026 at 9:00 AM

PM2,5 37 (Unhealthy for Sensitive Groups)

particulate matter (PM2.5) dust

PM10 37 (Moderate)

particulate matter (PM10) suspended dust

O3 74 (Moderate)

ozone (O3)

NO2 48 (Moderate)

nitrogen dioxide (NO2)

SO2 13 (Good)

sulfur dioxide (SO2)

CO 607 (Good)

carbon monoxide (CO)

Xi’an

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	53	53	53	50	52	41	38	42
pm10	55	55	53	51	53	42	39	42
o3	91	94	96	96	106	86	88	124
no2	56	53	54	55	51	55	59	57
so2	13	12	12	12	11	13	13	14
co	681	584	549	646	861	567	564	637

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

🌦️ Weather · 16-day Forecast — China

16-day weather forecast for China: today around 28°C (partly cloudy), lows near 17°C. Daily temperature and conditions, updated every day. Strong wind (about 33 km/h) is actively clearing smog and dust away.

☀️ UV Index · 16-day Forecast — China

The UV index in China today is 5.2 (moderate) — unprotected fair skin can burn in about 40 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Xi’an — compare nearby locations.

Shanghai 16 µg/m³
Zhumadian 30 µg/m³
Beijing 63 µg/m³
Nanchong 22 µg/m³
Tai’an 47 µg/m³
Yueyang 18 µg/m³
Kaifeng 17 µg/m³
Wuhan 17 µg/m³

Frequently asked questions

Is the air safe to breathe in Xi’an today?

The current average PM2.5 across Xi’an is about 37 µg/m³, rated “Unhealthy for Sensitive Groups”. Air quality is acceptable, but unusually sensitive people should limit prolonged outdoor exertion.

What is the current PM2.5 level in Xi’an?

Right now PM2.5 in Xi’an averages about 37 µg/m³ (“Unhealthy for Sensitive Groups”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.

Which day last week had the worst air in Xi’an?

Over the past week, the highest daily PM2.5 in Xi’an was recorded on Thursday, August 20 (about 53 µg/m³).

What is the UV index in Xi’an today?

The UV index in Xi’an today is 5.2 (moderate) — unprotected fair skin can burn in about 40 minutes.

Does today's wind help disperse smog in Xi’an?

Strong wind (about 33 km/h) is actively clearing smog and dust away.

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.