Table 2.
Summary statistics of PM2.5 concentration (µg/m3) monitored by BAM—1,022 at the GEOHealth site and T640 at the US Embassy across the hours of the day, Nairobi, Kenya
| PM2.5 concentrations (µg/m3) | |||||||
|---|---|---|---|---|---|---|---|
| Site | Time | Time description | Min | Median | Mean (±SEM) | Max | SD |
| GEOHealth Hub | 00:00–05:00 | Early morning | 3.0 | 12 | 13.4 ± 0.9 | 104 | 7.1 |
| 06:00–09:00 | Morning | 4.0 | 19 | 21.2 ± 0.2 | 103 | 11.3 | |
| 10:00–16:00 | Day time | 3.0 | 18 | 19.4 ± 0.1 | 96 | 9.07 | |
| 17:00–23:00 | Night | 6.0 | 21 | 22.6 ± 0.1 | 108 | 10.7 | |
| US Embassya | 00:00–05:00 | Early morning | 1.4 | 11.3 | 15.7 ± 0.6 | 144 | 16.3 |
| 06:00–09:00 | Morning | 1.4 | 12.8 | 18.3 ± 0.6 | 135 | 12.5 | |
| 10:00–16:00 | Day time | 1.0 | 12.6 | 15.7 ± 0.3 | 60 | 9.3 | |
| 17:00–23:00 | Night | 1.4 | 15.8 | 19.7 ± 0.4 | 146 | 13.5 | |
a
Data available for only 135 days.
SD indicates standard deviation.