Table 6.

Monthly PM₁₀ and TSP data as a function of monthly AOD data, 2000 to 2005.

Covariates	PM				TSP
	6:00–14:00	14:00–22:00	22:00–6:00	Daily (24 h mean)	6:00–14:00	14:00–22:00	22:00–6:00	Daily (24 h mean)
ln(AOD)	185.51 (6.68)**	193.74 (5.65)**	151.09 (4.69)**	177.4 (6.25)**	287.01 (5.81)**	363.5 (6.19)**	258.25 (4.32)**	300.01 (5.96)**
Relative humidity (%)	−2.82 (4.92)**	−2.909 (4.11)**	−3.145 (4.73)**	−2.948 (5.03)**	−4.711 (4.62)**	−2.896 (2.39)*	−5.331 (4.32)**	−4.12 (3.97)**
Mean sea level atmospheric pressure (hectopascal)	8.337 (5.94)**	9.169 (5.29)**	11.401 (7.00)**	9.674 (6.74)**	9.168 (3.67)**	14.201 (4.79)**	13.369 (4.43)**	12.179 (4.79)**
Constant	−8011 (5.70)**	−8825 (5.09)**	−11 087 (6.80)**	−9346 (6.51)**	−8464 (3.39)**	−13 512 (4.55)**	−12 701 (4.20)**	−11 500 (4.52)**
Observations	66	66	66	66	66	66	66	66
R2	0.52	0.44	0.52	0.53	0.48	0.41	0.38	0.45