GB/T 34302-2017 Ground-level ozone warning level GB/T34302-2017 |tt||Standard compression package decompression password: www.bzxz.net
This standard specifies the warning classification of ground-level ozone. This standard applies to the monitoring, warning and services of ground-level ozone.

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National Standard of the People's Republic of China
GB/T34302—2017
Warning level for surface ozone
Issued on September 7, 2017
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China Administration of Standardization of the People's Republic of China
Implemented on April 1, 2018
Drafted in accordance with the rules given in GB/T1.1-2009, this standard was proposed by the China Meteorological Administration.
GB/T34302—2017
This standard is under the jurisdiction of the Sub-Technical Committee on Atmospheric Composition Observation, Forecast and Warning Services of the National Technical Committee for Climate and Climate Change Standardization (SAC/TC540/SC1).
Drafting unit of this standard: Shanghai Meteorological Bureau. Main drafters of this standard: Geng Fuhai, Peng Li, Mao Xiaoqin.工
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1 Scope
Ground ozone warning level
This standard specifies the warning classification of ground ozone. This standard applies to the monitoring, warning and services of ground ozone. 2 Terms and Definitions
The following terms and definitions apply to this document. 2.1
surface ozone
Ground ozone
Ozone in the atmosphere near the ground.
[QX/T71—2007, Definition 3.1]
8-hour average
8-hour average
The arithmetic mean of the average concentration for 8 consecutive hours, also known as the 8-hour sliding average. [GB3095—2012, definition 3.9]
GB/T34302—2017
Note: For the 8-hour average at the specified time X, it is defined as the arithmetic average of the 8 1-hour averages at X-7, X-6, X-5, X-4, X-3, X-2, X-1, and X. This average is quoted from Table A.1 of HJ663—2013. 2.3
1-hour average
1-hour average
The arithmetic mean of any 1-hour pollutant concentration. LGB30952012.Definition 3.8
Note: It is the arithmetic mean of the point pollutant concentration within the 1-hour period before the hour. This average is quoted from Table A.1 of HJ663-2013. 3 Warning levels
From low to high, there are three levels: yellow warning, orange warning, and red warning. The warning standards are: Yellow warning signal: it is expected that the 8-hour average ground ozone in the next 24 hours will be greater than or equal to 215μg/m2 or the 1-hour average ai
will be greater than or equal to 300μg/m; Orange warning signal: it is expected that the 8-hour average ground ozone in the next 24 hours will be greater than or equal to 265μg/m° or the 1-hour average b)
will be greater than or equal to 400μg/m; Red warning signal: it is expected that the 1-hour average ground ozone in the next 24 hours will be greater than or equal to 800μg/m. 1
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GB/T34302—2017
Special Documents
GB3095—2012
Ambient Air Quality Standards
HJ633—2012 Technical Specifications for Ambient Air Quality Index (AQI)［3]
HJ663—2013 Technical Specifications for Ambient Air Quality Assessment[［4]]
John H.Seinfeld,Spyros N.Pandis. Atmospheric chemistry and physics: From air pollution to climate change[M].INC,1997
[5] World Health Organization Regional Office for Europe Copenhagen.Air quality guidelines for Europe:second edition[M].WHOregionalpublications,2ooo[6] National Center for Environmental Assessment-RTP Office,Office of Research and Development, USEnvironmental Protection Agency, Research Triangle Park, NC.Air quality criteria forozone and related photochemical oxidants, Volume I of II[MJ. USEnvironmental Protection Agen-cy. 2006. Chapter 9
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GB/T34302-2017
People's Republic of China
National Standard
Ground Ozone Warning Level
GB/T34302—2017
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