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

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Latest air quality data: Lanzhou

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

particulate matter (PM2.5) dust - 5 (Good)
particulate matter (PM10) suspended dust - 7 (Good)
ozone (O3) - 54 (Good)
nitrogen dioxide (NO2) - 18 (Good)
sulfur dioxide (SO2) - 6 (Good)
carbon monoxide (CO) - 411 (Good)

Real-time Air Quality Index (AQI) for Lanzhou, Thursday, August 27, 2026: 1.

AQI 1 Good

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

Today (Thursday, August 27, 2026) air quality is good. The air quality has no effect on health. Everyone can continue their outdoor activities normally in Lanzhou.

What is the current level of PM2.5 in Lanzhou? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 5 (Good) For comparison, the highest level of PM2.5 in Lanzhou in the last 7 days was: 21 (Saturday, August 22, 2026) and the lowest: 7 (Thursday, August 27, 2026). The highest PM2.5 values were recorded: 67 (November 2018). The lowest level of particulate matter PM2.5 pollution occurs in month: August (17).

What is the level of PM10 today in Lanzhou? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Lanzhou is: 7 (Good) The highest PM10 values usually occur in month: 175 (November 2018). The lowest value of particulate matter PM10 pollution in Lanzhou is usually recorded in: June (50).

How is the O3 level today in Lanzhou? (ozone (O3))
54 (Good)

How high is the level of NO2? (nitrogen dioxide (NO2))
18 (Good)

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

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

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

PM2,5 5 (Good)

PM10 7 (Good)

O3 54 (Good)

NO2 18 (Good)

SO2 6 (Good)

CO 411 (Good)

Data on air pollution from recent days in Lanzhou

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	7 Good	11 Good	11 Good	16 Moderate	15 Moderate	21 Moderate	9 Good	8 Good
pm10	14 Good	26 Moderate	28 Moderate	26 Moderate	35 Moderate	55 Unhealthy for Sensitive Groups	16 Good	16 Good
o3	66 Good	68 Good	100 Moderate	82 Moderate	74 Moderate	92 Moderate	100 Moderate	98 Moderate
no2	16 Good	15 Good	8 Good	19 Good	14 Good	11 Good	9 Good	8 Good
so2	5 Good	5 Good	2 Good	5 Good	4 Good	3 Good	2 Good	2 Good
co	329 Good	303 Good	354 Good	384 Good	244 Good	245 Good	329 Good	379 Good

data source »

pollution pm25 hikersbay.com — Air pollution in Lanzhou from October 2018 to May 2020

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	32 (Moderate)	35 (Moderate)	38 (Unhealthy for Sensitive Groups)	40 (Unhealthy for Sensitive Groups)	59 (Unhealthy)	66 (Unhealthy)	45 (Unhealthy for Sensitive Groups)	32 (Moderate)	23 (Moderate)	17 (Moderate)	18 (Moderate)	17 (Moderate)	34 (Moderate)	33 (Moderate)	41 (Unhealthy for Sensitive Groups)	45 (Unhealthy for Sensitive Groups)	58 (Unhealthy)	63 (Unhealthy)	67 (Unhealthy)	44 (Unhealthy for Sensitive Groups)
co	581 (Good)	931 (Good)	1 (Good)	1 (Good)	2 (Good)	2 (Good)	1 (Good)	1 (Good)	1 (Good)	1 (Good)	924 (Good)	785 (Good)	721 (Good)	887 (Good)	1 (Good)	1 (Good)	2 (Good)	1 (Good)	1 (Good)	963 (Good)
no2	53 (Moderate)	52 (Moderate)	55 (Moderate)	56 (Moderate)	75 (Moderate)	93 (Moderate)	69 (Moderate)	59 (Moderate)	53 (Moderate)	54 (Moderate)	54 (Moderate)	49 (Moderate)	47 (Moderate)	59 (Moderate)	66 (Moderate)	53 (Moderate)	70 (Moderate)	62 (Moderate)	66 (Moderate)	56 (Moderate)
o3	144 (Unhealthy for Sensitive Groups)	121 (Unhealthy for Sensitive Groups)	109 (Moderate)	100 (Moderate)	66 (Good)	49 (Good)	56 (Good)	70 (Good)	113 (Moderate)	144 (Unhealthy for Sensitive Groups)	151 (Unhealthy)	130 (Unhealthy for Sensitive Groups)	126 (Unhealthy for Sensitive Groups)	136 (Unhealthy for Sensitive Groups)	105 (Moderate)	76 (Moderate)	49 (Good)	34 (Good)	47 (Good)	76 (Moderate)
pm10	91 (Unhealthy)	102 (Unhealthy)	104 (Unhealthy)	94 (Unhealthy)	91 (Unhealthy)	126 (Very Unhealthy)	99 (Unhealthy)	73 (Unhealthy for Sensitive Groups)	56 (Unhealthy for Sensitive Groups)	53 (Unhealthy for Sensitive Groups)	57 (Unhealthy for Sensitive Groups)	50 (Unhealthy for Sensitive Groups)	118 (Very Unhealthy)	90 (Unhealthy)	107 (Unhealthy)	101 (Unhealthy)	104 (Unhealthy)	138 (Very Unhealthy)	175 (Very bad Hazardous)	108 (Unhealthy)
so2	11 (Good)	15 (Good)	15 (Good)	25 (Good)	27 (Good)	41 (Good)	21 (Good)	16 (Good)	13 (Good)	12 (Good)	11 (Good)	11 (Good)	10 (Good)	15 (Good)	20 (Good)	27 (Good)	42 (Good)	40 (Good)	35 (Good)	20 (Good)

data source »

Quality of life in Lanzhou

Green and Parks in the City

Lanzhou 58%

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

particulate matter PM2.5

Lanzhou 54 (Unhealthy for Sensitive Groups)

Pleasure of spending time in the city

Lanzhou 45%

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

particulate matter PM10

Lanzhou 130 (Very Unhealthy)

Air Pollution

Lanzhou 68%

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

Garbage Disposal

Lanzhou 83%

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

Availability and quality of drinking water

Lanzhou 75%

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

Cleanliness and tidiness

Lanzhou 75%

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

Noise and Light pollution

Lanzhou 8.3%

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

Water Pollution

Lanzhou 33%

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

Source: Numbeo

Lanzhou

Thursday, August 27, 2026 at 9:00 AM

PM2,5 4.7 (Good)

particulate matter (PM2.5) dust

PM10 7.4 (Good)

particulate matter (PM10) suspended dust

O3 54 (Good)

ozone (O3)

NO2 18 (Good)

nitrogen dioxide (NO2)

SO2 6.4 (Good)

sulfur dioxide (SO2)

CO 411 (Good)

carbon monoxide (CO)

Lanzhou

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	8	9.3	21	15	16	11	11	6.8
pm10	16	16	55	35	26	28	26	14
o3	98	100	92	74	82	100	68	66
no2	8.3	8.6	11	14	19	7.8	15	16
so2	2.3	2.4	3.4	4.3	5.2	2.4	4.9	5.4
co	379	329	245	244	384	354	303	329

铁路设计院

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	32	35	38	40	59	66	45	32	23	17	18	17	34	33	41	45	58	63	67	44
co	581	931	1	1	2	2	1	1	1	1	924	785	721	887	1	1	2	1	1	963
no2	53	52	55	56	75	93	69	59	53	54	54	49	47	59	66	53	70	62	66	56
o3	144	121	109	100	66	49	56	70	113	144	151	130	126	136	105	76	49	34	47	76
pm10	91	102	104	94	91	126	99	73	56	53	57	50	118	90	107	101	104	138	175	108
so2	11	15	15	25	27	41	21	16	13	12	11	11	10	15	20	27	42	40	35	20

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

🌦️ Weather · 16-day Forecast — Lanzhou

16-day weather forecast for Lanzhou: today around 30°C (partly cloudy), lows near 24°C. Daily temperature and conditions, updated every day. Strong wind (about 25 km/h) is actively clearing smog and dust away.

☀️ UV Index · 16-day Forecast — Lanzhou

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

📍 Air quality in nearby cities

Live PM2.5 around Lanzhou — compare nearby locations.

Tianshui 12 µg/m³
Chengdu 77 µg/m³
Nanchong 22 µg/m³
Shiyan 21 µg/m³
Chongqing 34 µg/m³
Kaifeng 17 µg/m³
Zhumadian 30 µg/m³
Shanghai 16 µg/m³

Frequently asked questions

Is the air safe to breathe in Lanzhou today?

The current average PM2.5 across Lanzhou is about 5 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Lanzhou?

Right now PM2.5 in Lanzhou averages about 5 µg/m³ (“Good”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.

Which day last week had the worst air in Lanzhou?

Over the past week, the highest daily PM2.5 in Lanzhou was recorded on Saturday, August 22 (about 21 µg/m³).

What is the UV index in Lanzhou today?

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

Does today's wind help disperse smog in Lanzhou?

Strong wind (about 25 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.