Beijing Air Pollution: Real-time Air Quality Index (AQI)

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Beijing AQI: Beijing Real-time Air Quality Index (AQI).
33
Good
Updated on Saturday 2:00
Primary pollutant: o3
currentpast 2 daysminmax
PM2.5 AQI
21Beijing PM25 (fine particulate matter) measured by Beijing Environmental Protection Monitoring Center (北京市环境保护监测中心). Values are converted to the US EPA AQI standard.21166
PM10 AQI
17Beijing PM10 (respirable particulate matter) measured by Beijing Environmental Protection Monitoring Center (北京市环境保护监测中心). Values are converted to the US EPA AQI standard.1797
O3 AQI
33Beijing O3 (ozone) measured by Beijing Environmental Protection Monitoring Center (北京市环境保护监测中心). Values are converted to the US EPA AQI standard.460
NO2 AQI
3Beijing NO2 (nitrogen dioxide) measured by Beijing Environmental Protection Monitoring Center (北京市环境保护监测中心). Values are converted to the US EPA AQI standard.345
SO2 AQI
3Beijing SO2 (sulfur dioxide) measured by Beijing Environmental Protection Monitoring Center (北京市环境保护监测中心). Values are converted to the US EPA AQI standard.37
CO AQI
3Beijing CO (carbon monoxide) measured by Beijing Environmental Protection Monitoring Center (北京市环境保护监测中心). Values are converted to the US EPA AQI standard.29
Temp.
11Beijing t (temp.) measured by Citizen Weather Observer Program (CWOP/APRS).323
Pressure
1017Beijing p (pressure:) measured by Citizen Weather Observer Program (CWOP/APRS).10091021
Humidity
23Beijing h (humidity) measured by Citizen Weather Observer Program (CWOP/APRS).573
Wind
8Beijing w (wind) measured by Citizen Weather Observer Program (CWOP/APRS).113
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Air Quality Forecast
SAT 5
22°C
10°C
SUN 6
24°C
11°C
MON 7
27°C
11°C
TUE 8
20°C
13°C
WED 9
21°C
11°C
THU 10
26°C
13°C
PM2.5
O3
Saturday 5Sunday 6Monday 7Tuesday 8Wednesday 9Thursday 10
hour
0369121518210369121518210369121518210369121518210369121518210369121518
Wind Speed (m/s)
67666423332113644223546752124554232226621221245















































Temp.
12°10°10°15°20°22°20°16°14°12°12°17°22°24°21°15°12°11°12°18°26°27°23°19°17°14°14°17°20°20°18°16°14°12°11°15°19°21°19°16°14°13°15°22°26°26°22°
relative humidity
2618158668121316161088121720212015999101215161512111515303842342530354451554319121218
barometric pressure
10161016101610161012100910091011101110121013101410121010101010131013101110121012101010101013101710191019102110211019101610141014101310101009100910061004100510061006100610071006100310011001
total precipitation
0.10.10.10.1
UVI:
5


5:53 ~ 18:42
UVI:
5


5:51 ~ 18:43
UVI:
5


5:50 ~ 18:44
UVI:
4


5:48 ~ 18:45
UVI:
1


5:47 ~ 18:46


5:45 ~ 18:47
Forecast plotted using timezone +08:00
Latest forecast updates:
Wind: 2 hours ago [Apr 4, 2025 4:57 PM]
fine particulate matter: a day ago [Apr 3, 2025 6:12 PM]
ozone: 5 days ago [Mar 30, 2025 8:38 PM]
click to view the detailed forecast

Air Quality Data provided by: the Beijing Environmental Protection Monitoring Center (北京市环境保护监测中心) (bjmemc.com.cn)

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This air quality monitoring station real-time data can be programmatically accessed using this API url: (For more information, check the API page:aqicn.org/api/ )

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About the Air Quality and Pollution Measurement:

About the Air Quality Levels

AQIAir Pollution LevelHealth ImplicationsCautionary Statement (for PM2.5)
0 - 50GoodAir quality is considered satisfactory, and air pollution poses little or no riskNone
51 -100ModerateAir quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.
101-150Unhealthy for Sensitive GroupsMembers of sensitive groups may experience health effects. The general public is not likely to be affected.Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.
151-200UnhealthyEveryone may begin to experience health effects; members of sensitive groups may experience more serious health effectsActive children and adults, and people with respiratory disease, such as asthma, should avoid prolonged outdoor exertion; everyone else, especially children, should limit prolonged outdoor exertion
201-300Very UnhealthyHealth warnings of emergency conditions. The entire population is more likely to be affected.Active children and adults, and people with respiratory disease, such as asthma, should avoid all outdoor exertion; everyone else, especially children, should limit outdoor exertion.
300+HazardousHealth alert: everyone may experience more serious health effectsEveryone should avoid all outdoor exertion

To know more about Air Quality and Pollution, check the wikipedia Air Quality topic or the airnow guide to Air Quality and Your Health.

For very useful health advices of Beijing Doctor Richard Saint Cyr MD, check www.myhealthbeijing.com blog.


Usage Notice: All the Air Quality data are unvalidated at the time of publication, and due to quality assurance these data may be amended, without notice, at any time. The World Air Quality Index project has exercised all reasonable skill and care in compiling the contents of this information and under no circumstances will the World Air Quality Index project team or its agents be liable in contract, tort or otherwise for any loss, injury or damage arising directly or indirectly from the supply of this data.



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