The Meaning and Units of each Attribute
| Attribute |
Meaning |
Units |
| PM2.5 |
The concentration of particles with a diameter of less than or equal to 2.5 microns which is also
called respirable particles in the atmosphere.
|
μg/m3 |
| PM10 |
The concentration of particles with a diameter of 10 microns or less in the atmosphere. |
μg/m3 |
| SO2 |
The concentration of sulfur dioxide particles in the atmosphere. |
μg/m3 |
| NO2 |
The concentration of NO2 particles in the atmosphere. |
μg/m3 |
| CO |
The concentration of CO particles in the atmosphere. |
mg/m3 |
| O3 |
The concentration of O3 particles in the atmosphere. |
μg/m3 |
| AQI |
AQI(Air Quality Index) describes the cleanliness and pollution of the air, and its impact on
health.
|
|
| PR |
Resident population at year-end. |
Per ten thousand person |
| PCDI |
Per capita disposable income. |
Yuan |
| GRDP |
Gross Regional Domestic Product. |
ten million RMB |
| PGDP |
Per capita gross regional product. |
yuan per person |
| EDUL |
Education level refers to the number of people with university degree or above. |
person |
| UGA |
Urban green area. |
10000 hectares |
| TAAA |
Total artificial afforestation area. |
1000 hectares |
| FEC |
Fossil energy(including coal, coke, crude oil, gasoline, kerosene, diesel, fuel) consumption. |
10000 tons |
| NGC |
Natural gas consumption. |
ten million O3 |
| EC |
Electricity consumption. |
ten million kWh |
| TSI |
Total output value of secondary industry. |
ten million RMB |
| CVO |
Civil car ownership. |
10000 vehicles |
| RAAT |
Regional average annual temperature. |
degree celsius(℃) |
| RAAP |
Regional average annual precipitation. |
millimetre |
| RAAWS |
Regional average annual wind speed. |
meters per second(m/s) |