Table 5.
Location & Unit. | Time Period | Snorkel Y/N | Flag G/Y/R (Reason) | PM2.5 (μg/m3) | NO2 (ppb) | T (°C) | RH (%) | ||
---|---|---|---|---|---|---|---|---|---|
Mean | 90th Percentile | Mean | 90th Percentile | Mean | Mean | ||||
L1 U1 | 12–27 February | N | G | 13.1 | 20.8 | 41.4 | 80.8 | 1.2 | 53.0 |
L2 U2 | 12–27 February | Y | Y (High T; Low ΔT) | 13.2 | 18.8 | 10.9 | 26.8 | 20.6 | 27.6 |
L3 U3 | 12–24 February | N | G | 19.4 | 25.0 | 18.3 | 40.2 | -1.3 | 48.1 |
L4 U4 | 12–27 February | Y | Y (High T; Low ΔT; PM N/A) | -- | -- | 18.6 | 38.1 | 16.1 | 37.8 |
L5 U1 | 3–16 March | Y | Y (High T; Low ΔT) | 12.1 | 17.7 | 13.8 | 15.0 | 17.6 | 25.0 |
L6 U2 | 28 February–16 March | Y | Y (High T; Low ΔT) | 14.7 | 21.5 | 5.3 | 8.1 | 15.6 | 37.0 |
L7 U3 | 3–16 March | N | G | 20.9 | 31.8 | 27.2 | 56.2 | 6.1 | 55.8 |
L8 U4 | 2–16 March | Y | R (Pump Failed) | -- | -- | -- | -- | -- | -- |
L9 U1 | 18–25 March | N | G | 10.4 | 14.8 | 27.5 | 56.2 | 7.8 | 39.6 |
L10 U2 | 17 March–6 April | Y | R (No data) | -- | -- | -- | -- | -- | -- |
L11 U3 | 18–25 March | Y | G | 16.6 | 17.8 | 8.7 | 28.4 | 9.4 | 25.4 |
L12 U4 | 18 March–6 April | Y | R (No data) | -- | -- | -- | -- | -- | -- |
L13 U1–4 | 7–15 April | N | Collocation | -- | -- | -- | -- | -- | -- |
L14 U1 | 21 April–12 May | Y | G | 10.8 | 17.7 | 38.2 | 87.4 | 19.5 | 34.7 |
L15 U2 | 21 April–11 May | Y | Y (High T; Low ΔT; PM N/A) | -- | -- | 15.1 | 43.4 | 19.8 | 42.3 |
L16 U3 | 24 April–11 May | Y | G | 16.6 | 21.5 | 22.0 | 49.7 | 13.2 | 46.9 |
L17 U1 | 25 June–10 July | Y | Y (6/29–7/1; 7/5–7/10) | 10.9 | 16.1 | 27.0 | 46.2 | 19.9 | 53.9 |
L18 U2 | 25 June–14 July | N | R (Card taken; battery unplugged) | -- | -- | -- | -- | -- | -- |
L19 U3 | 25 June–14 July | Y | G | 16.2 | 19.5 | 4.0 | 16.2 | 18.3 | 51.2 |
L20 U4 | 16 June–14 July | Y | Y (6/16–6/26; PM N/A) | -- | -- | 5.2 | 13.4 | 22.4 | 63.8 |
L21 U3 | 30 July | N | G (single day) | 16.6 | 17.22 | 1.0 | 6.9 | 19.5 | 62.4 |