Variable | N | Mean (± SD) | Min. | 25% | Median | 75% | Max. | IQR | Spearman correlation coefficient | |||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 |  |  |  |  |  |  |  |  | PM 2.5 | UFP | EC | OC | Temperature | Barometric pressure |
PM2.5 [μg/m3]a | 198 | 20.3 (± 14.8) | 2.8 | 10.0 | 15.3 | 26.2 | 84.0 | 16.2 | 1 |  |  |  |  |  |
UFP [n/cm3]b | 198 | 11639 (± 5849) | 2485 | 6967 | 10717 | 15299 | 28369 | 8331 | 0.5 | 1 |  |  |  |  |
EC [μg/m3]c | 113 | 2.3 (± 2.1) | 0.2 | 0.9 | 1.6 | 2.7 | 10.4 | 1.8 | 0.8 | 0.7 | 1 |  |  |  |
OC [μg/m3]c | 113 | 1.4 (± 0.6) | 0.3 | 1.0 | 1.3 | 1.7 | 3.4 | 0.7 | 0.7 | 0.6 | 0.9 | 1 |  |  |
Temperature [°C]d | 198 | 4.1 (± 4.8) | -10.8 | -0.6 | 4.4 | 6.6 | 13.2 | 7.1 | -0.5 | -0.2 | -0.4 | -0.3 | 1 |  |
Barometric pressure [hPa] | 198 | 973.2 (± 9.8) | 949.8 | 966.2 | 972.9 | 980.0 | 995.6 | 13.7 | 0.3 | 0.1 | 0.2 | 0.1 | -0.1 | 1 |
Relative humidity [%]d | 198 | 83.5 (± 8.9) | 56.5 | 78.5 | 84.5 | 89.1 | 100.0 | 10.6 | 0.5 | 0.2 | 0.4 | 0.3 | -0.4 | 0.1 |