Medians, IQRs, geometric means and 95% CIs and maximum values of PM2.5 by building type, raw data (1 s average) Barcelona Metropolitan Area, 2010
| Building type | n | Simultaneous measurements* | Simultaneous measurements† | Control (outdoor)† | ||
| Hall 1 | Main entrance (outdoor) | Hall 2 | Control (indoor) | |||
| Overall | 47 | |||||
| Median (IQR) (μg/m3) | 18.20 (10.92–23.92) | 17.16 (10.92–24.96) | 18.20 (11.44–24.96) | 10.40 (6.76–15.60) | 13.00 (8.32–18.72) | |
| Geometric mean (95% CI) (μg/m3) | 16.70 (16.21 to 17.19) | 17.17 (16.65 to 17.69) | 17.52 (16.99 to 18.05) | 10.01 (9.49 to 10.53) | 12.76 (12.32 to 13.20) | |
| Maximum value (μg/m3) | 128.44 | 54.08 | 86.32 | 36.40 | 30.16 | |
| Public administration and libraries | 9 | |||||
| Median (IQR) (μg/m3) | 14.04 (12.22–21.84) | 16.12 (8.32–23.14) | 13.52 (9.88–24.44) | 8.32 (5.46–12.22) | 8.84 (7.80–18.98) | |
| Geometric mean (95% CI) (μg/m3) | 15.33 (14.27 to 16.39) | 14.33 (13.09 to 15.57) | 15.36 (14.30 to 16.42) | 7.71 (6.56 to 8.86) | 11.70 (10.60 to 12.80) | |
| Maximum value (μg/m3) | 34.32 | 42.64 | 36.40 | 15.60 | 30.16 | |
| Educational places | 17 | |||||
| Median (IQR) (μg/m3) | 18.20 (8.32–28.08) | 17.68 (8.32–24.70) | 19.24 (11.18–28.34) | 10.40 (6.76–18.46) | 9.10 (7.80–18.72) | |
| Geometric mean (95% CI) (μg/m3) | 16.51 (15.70 to 17.32) | 14.53 (13.63 to 15.43) | 18.13 (17.25 to 19.01) | 11.04 (10.20 to 11.88) | 11.05 (10.29 to 11.81) | |
| Maximum value (μg/m3) | 46.80 | 37.44 | 48.36 | 36.40 | 23.92 | |
| Public transport | 8 | |||||
| Median (IQR) (μg/m3) | 16.64 (9.62–20.80) | 24.18 (14.95–37.96) | 16.12 (9.49–22.49) | 14.56 (9.88–15.99) | 16.64 (14.30–20.28) | |
| Geometric mean (95% CI) (μg/m3) | 13.69 (12.48 to 14.90) | 24.44 (23.27 to 25.61) | 14.19 (13.04 to 15.34) | 11.50 (10.18 to 12.82) | 17.11 (16.26 to 17.96) | |
| Maximum value (μg/m3) | 21.84 | 54.08 | 27.04 | 19.24 | 23.40 | |
| Healthcare centres | 13 | |||||
| Median (IQR) (μg/m3) | 21.32 (12.74–28.34) | 17.16 (15.08–28.86) | 18.72 (12.87–27.82) | 9.36 (5.98–16.38) | 13.52 (10.14–18.85) | |
| Geometric mean (95% CI) (μg/m3) | 20.33 (18.93 to 21.73) | 19.48 (18.55 to 20.41) | 20.87 (17.23 to 24.51) | 9.69 (8.54 to 10.84) | 13.68 (12.55 to 14.81) | |
| Maximum value (μg/m3) | 128.44 | 46.28 | 86.32 | 21.32 | 22.36 | |