| College site | Bayview site | ||
---|---|---|---|---|
Pollutant | Mean (SD) | IQR | Mean(SD) | IQR |
CO (ppm) | 0.42 (0.11) | 0.20 | 1.24 (1.63)* | 0.60 |
NO (ppb) | 1.69 (1.2) | 1.30 | 7.02 (4.16)* | 4.90 |
NO2 (ppb) | 4.6 (2.8) | 2.90 | 6.89 (3.64)* | 4.60 |
NOx (ppb) | 6.29 (3.66) | 2.95 | 13.74 (6.97)* | 8.70 |
O3 (ppb) | 32.44 (7.62) | 8.90 | 29.66 (6.53)* | 9.90 |
SO2 (ppb) | 1.78 (2.56) | 1.60 | 8.05 (10.58)* | 14.20 |
PM2.5 (μg/m3) | 11.67 (6.61) | 8.20 | 13.01 (6.87)* | 9.90 |
UFP (particles/cm3) | 6960 (4261) | 5560 | 14654 (13664)* | 19648 |