5-minute | 30-minute | 60-minute | 90-minute | |||||
---|---|---|---|---|---|---|---|---|
Mean | Median | Mean | Median | Mean | Median | Mean | Median | |
( n, SD) | (IQR) | ( n, SD) | (IQR) | ( n, SD) | (IQR) | ( n, SD) | (IQR) | |
PM2.5, mean (μ g/m3) | 14 | 11 | 14 | 12 | 14 | 12 | 14 | 12 |
(3314, 12) | (10) | (3140, 9) | (11) | (2939, 8) | (9) | (2733, 8) | (8) | |
Ozone, max (ppb) | 84 | 69 | 85 | 73 | 87 | 77 | 89 | 83 |
(4406, 66) | (65) | (4118, 52) | (66) | (3832, 46) | (73) | (3550, 43) | (65) | |
CO, max (ppm) | 6 | 2 | 6 | 2 | 6 | 3 | 6 | 3 |
(4353, 8) | (8) | (4086, 7) | (10) | (3806, 6) | (10) | (3524, 6) | (9) | |
CO2, max (ppm) | 461 | 426 | 462 | 431 | 462 | 433 | 462 | 432 |
(4371, 97) | (96) | (4088, 79) | (106) | (3802, 73) | (104) | (3520, 69) | (105) | |
Formaldehyde, max (ppb) | 35 | 23 | 34 | 25 | 35 | 26 | 35 | 27 |
(1784, 39) | (26) | (1663, 26) | (30) | (1519, 24) | (31) | (1379, 23) | (34) | |
NO2, max (ppb) | 130 | 68 | 131 | 69 | 130 | 71 | 128 | 74 |
(4406, 135) | (114) | (4118, 121) | (137) | (3832, 114) | (155) | (3550, 108) | (156) | |
NOx, max (ppb) | 131 | 23 | 131 | 23 | 130 | 25 | 128 | 25 |
(4406, 187) | (186) | (4118, 176) | (240) | (3832, 169) | (237) | (3550, 161) | (226) |