Table 1.
Average of meteorological data in different countries
| Country | Temperature (℃) | Precipitation (mm) | Relative humidity (%) | Ultraviolet index | NO2 total column (1/cm2) | Ultraviolet aerosol index |
|---|---|---|---|---|---|---|
| Portugal | 18.42 | 2.62 | 53.31 | 5.50 | 3.99E+15 | 1.38 |
| Greece | 18.02 | 3.00 | 65.77 | 5.17 | 3.80E+15 | 1.48 |
| Egypt | 27.71 | 0.08 | 26.81 | 8.62 | 3.37E+15 | 1.53 |
| South Africa | 22.81 | 1.57 | 39.80 | 8.13 | 3.74E+15 | 0.94 |
| Paraguay | 28.05 | 3.37 | 46.90 | 8.21 | 3.17E+15 | 0.96 |
| Uruguay | 20.78 | 4.06 | 58.41 | 6.78 | 3.47E+15 | 0.95 |
| South Korea | 16.04 | 3.88 | 67.42 | 4.39 | 7.28E+15 | 1.38 |
| Japan | 15.34 | 5.20 | 71.57 | 4.59 | 5.20E+15 | 1.08 |