Table 3 Pollutant and meteorological concentrations at each location

PM_2.5 (μg/m³)

20

13 (7–24)

21 (9–50)

31 (11–45)

< 0.01

PM₁₀ (μg/m³)

26

16 (6–29)

26 (17–48)

38 (21–50)

< 0.01

PM_2.5 EC (μg/m³)

2.0

0.6 (0.0–1.7)

1.7 (0.1–3.3)

5.3 (0.1–13.2)

< 0.01

PM₁₀ EC (μg/m³)

2.6

0.9 (0.1–2.5)

2.3 (0.0–7.2)

6.6 (2.2–15.7)

< 0.01

BC (μg/m³)

3.3

1.5 (0.2–3.6)

2.8 (1.3–4.1)

7.2 (4.1–10.9)

< 0.01

PM_2.5 OC (μg/m³)

13.9

10 (4–20)

13 (8–20)

21 (12–29)

< 0.01

Ozone (ppm)^a

0.05

0.04 (0.02–0.06)

0.04 (0.01–0.06)

0.04 (0.02–0.06)

0.92

Temperature (°F)^b

74

71 (50–81)

75 (66.87)

75 (70–91)

0.24

Relative humidity (%)^b

72

69 (47–95)

79 (56–97)

65 (49–84)

0.03