GB/T 1920-1980
Abolished
QX/T 479-2019
Active
Industry standards-Meteorology
QX/T 479-2019 PM2.5 meteorological evaluation index (EMI)
QX/T 479-2019 PM2.5 meteorological evaluation index (EMI)
Price:
$ 30
Basic Information
Standard Code:
QX/T 479-2019
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Meteorology
ICS Name:
Geology, meteorology, and hydrology
Publish Date:
2019-04-28
Implement Date:
2019-08-01
Pages:
10 pages
Scope
This standard specifies the definition and calculation method of the PM2.5 meteorological condition assessment index. This standard is applicable to the assessment of the contribution of meteorological conditions to the change in PM2.5 concentration.
Development Information
Related Standards
GB/T 958-1989
Replaced
GB/T 958-1989 Geological symbols used for regional geological maps (1:50000)
GB/T 11615-1989
Replaced
GB/T 11615-1989 Geologic exploration standard of geothermal resources
GB/T 12329-1990
Active
GB/T 12329-1990 Karst geology terminology
GB/T 12745-1991
Replaced
GB/T 12745-1991 Static penetrometer
GB/T 12746-1991
Replaced