Table 2.
Summary statistics of exposure and meteorologic parameters
| Mean (SD) | |
|---|---|
| PNC 5−560 (1/cm 3) | 20220 (11489) |
| PNC 5−10 (1/cm 3) | 1378 (1688) |
| PNC 10−20 (1/cm 3) | 4032 (4087) |
| PNC 20−50 (1/cm 3) | 6276 (4603) |
| PNC 50−100 (1/cm 3) | 5074 (2858) |
| PNC 100−200 (1/cm 3) | 2544 (1675) |
| PNC 200−560 (1/cm 3) | 272 (238) |
| BC (μg/m 3) | 4.09 (2.37) |
| NO 2 (ppb) | 32.52 (16.89) |
| CO (ppm) | 0.61 (0.33) |
| SO 2 (ppb) | 6.53 (5.28) |
| O 3 (ppb) | 25.83 (18.7) |
| Temperature (°C) | 22.62 (6.18) |
| RH (%) | 67.86 (12.54) |
| Air pressure (bar) | 1013.96 (6.42) |
SD for standard deviation and IQR for interquatile range. The observations of all the pollutants and meteorologic parameters were obtained in 1 minute interval covering the whole period of each visit in April, June and September.