Table 3.

Range of the observed versus predicted PM₁₀ concentrations (in µg/m³) for the 3 different models (National, Provincial and Site-specific) averaged over all sites and years (2010–2017) by province for the mean, standard deviation (SD) and 5th, 25th, 50th, 75th and 95th percentiles).

Province		Mean	SD			Percentiles
		µg/m3	µg/m3	5	25	50	75	95
Mpumalanga	Observed	35.70–50.90	17.70–29.10	9.30–15.30	21.40–30.30	32.90–46.20	47.70–71.20	68.20–102.80
	National	34.60–48.60	6.30–11.10	23.70–34.20	29.20–41.10	34.30–47.80	39.50–56.80	45.70–66.50
	Provincial	34.20–46.30	10.40–17.40	17.10–24.70	24.90–33.60	32.20–44.30	42.30–60.40	53.00–75.80
	Site-specific	35.70–52.00	11.40–19.50	18.60–26.10	26.80–37.10	34.30–49.80	43.30–66.90	55.50–85.40
Gauteng	Observed	53.40–58.30	28.40–31.30	16.20–20.30	31.10–35.20	47.50–52.10	71.10–77.10	107.60–115.00
	National	36.30–41.60	10.20–12.90	21.30–24.40	27.00–31.00	34.80–40.70	44.60–52.00	54.00–62.40
	Provincial	52.90–59.40	16.90–17.90	30.80–35.50	40.30–45.40	50.20–56.50	66.10–73.30	81.20–90.00
	Site-specific	53.00–58.40	17.40–19.70	29.30–33.50	37.90–43.10	49.70–54.80	65.60–72.30	84.70–93.20
Western Cape	Observed	19.50–26.70	8.10–11.60	8.50–12.70	13.40–18.70	18.50–25.20	24.30–33.30	35.00–48.10
	National	31.90–49.10	7.10–11.20	22.00–35.90	26.00–41.00	29.90–46.80	36.60–55.40	45.20–71.60
	Provincial	20.00–28.00	39.00–5.50	13.50–20.40	16.70–24.10	20.00–28.00	22.70–31.80	26.90–37.10
	Site-specific	19.50–26.70	4.80–6.60	11.80–17.90	15.90–21.80	18.80–26.20	22.40–30.70	28.00–38.40
KwaZulu-Natal	Observed	24.20–29.80	11.01–14.01	9.50–13.50	15.90–20.01	22.10–26.60	30.70–37.10	45.70–56.60
	National	31.60–43.80	8.20–12.90	21.10–28.40	24.50–33.40	29.00–40.40	37.60–53.00	47.60–66.00
	Provincial	23.90–32.90	5.20–9.50	15.60–21.60	19.20–25.90	22.50–31.60	27.10–39.40	35.40–49.50
	Site-specific	24.20–30.50	6.01–10.02	15.30–19.70	19.10–23.30	23.00–28.30	28.00–36.00	36.00–50.80