Table 5.
Monthly average values for air temperature, surface pressure, total precipitation, wind speed, and air pollutants during the lockdown period over Turkey. The abbreviations Cor., Temp., Pres., Prec., and WS refer to correlation, air temperature (K), surface pressure (hPa), total precipitation (m) and wind speed (m/s), respectively.
| Variables | 2019 |
2020 |
||||
|---|---|---|---|---|---|---|
| Mar. | Apr. | May | Mar. | Apr. | May | |
| NO2 | 1.46 | 1.14 | 1.05 | 1.22 | 1.01 | 0.92 |
| SO2 | 13.83 | 5.38 | 4.44 | 15.93 | 9.39 | 4.90 |
| AOD | 0.10 | 0.19 | 0.18 | 0.12 | 0.13 | 0.18 |
| Temp. (K) | 278.77 | 282.40 | 289.92 | 280.43 | 283.22 | 288.72 |
| Cor.(NO2,Temp.) | −0.87 | −0.92 | ||||
| Cor.(SO2,Temp.) | −0.81 | −0.96 | ||||
| Cor.(AOD,Temp.) | 0.68 | 0.98 | ||||
| Pres. (hPa) | 890.35 | 890.42 | 890.77 | 890.34 | 890.31 | 891.74 |
| Cor.(NO2,Pres.) | −0.77 | −0.73 | ||||
| Cor.(SO2,Pres.) | −0.70 | −0.80 | ||||
| Cor.(AOD,Pres.) | 0.55 | 0.99 | ||||
| Prec. (m) | 0.07 | 0.09 | 0.05 | 0.09 | 0.07 | 0.08 |
| Cor.(NO2,Prec.) | 0.29 | 0.55 | ||||
| Cor.(SO2,Prec.) | 0.19 | 0.46 | ||||
| Cor.(AOD,Prec.) | 0.01 | −0.01 | ||||
| WS (m/s) | 0.35 | 0.13 | 0.65 | 0.43 | 0.41 | 0.50 |
| Cor.(NO2,WS) | −0.28 | −0.56 | ||||
| Cor.(SO2,WS) | −0.18 | −0.65 | ||||
| Cor.(AOD,WS) | −0.01 | 0.92 | ||||