Skip to main content
. Author manuscript; available in PMC: 2011 Dec 7.
Published in final edited form as: Int J Remote Sens. 2008 Jun;29(12):3383–3405. doi: 10.1080/01431160701474545

Table 3(b).

Regression of PM10 on AOD, mean sea level pressure and relative humidity at 5 km pixel resolution – disaggregate analysis.

PM10 as a function of: Interval across satellite crossing time (h: min)
0:15 0:30 0:45 1:00 1:15 1:30 1:45 2:00 2:15 2:30 All
ln(AOD) 0.124 (−0.77) 0.159 (−1.18) 0.252 (2.26)* 0.254 (2.52)* 0.326 (3.43)** 0.29 (3.37)** 0.25 (3.06)** 0.227 (2.86)** 0.213 (2.65)** 0.207 (2.58)** 0.208 (2.59)**
Relative humidity (%) 0.017 (−1.31) 0.011 (−1.11) 0.005 (−0.66) 0.001 (−0.19) 0.004 (−0.61) 0.006 (−1.33) 0.006 (−1.42) 0.006 (−1.57) 0.008 (−1.95) 0.01 (2.46)* 0.01 (2.53)*
Mean sea level atmospheric pressure (hectopascal) 0.031 (−1.36) 0.033 (−1.78) 0.043 (2.88)** 0.038 (2.83)** 0.035 (2.83)** 0.038 (3.25)** 0.033 (3.06)** 0.036 (3.46)** 0.038 (3.59)** 0.042 (3.91)** 0.042 (3.92)**
Constant −26.8 (−1.15) −27.8 (−1.5) −37.9 (2.51)* −33.3 (2.42)* −30.5 (2.40)* −33.0 (2.80)** −28.6 (2.58)** −31.4 (2.96)** −33.3 (3.10)** −36.9 (3.43)** −36.9 (3.44)**
Observations 129 231 347 423 515 589 652 708 745 760 762
Number of AOD pixels 74 104 141 164 191 210 226 237 246 248 248
Pixel R2 0.85 0.80 0.63 0.64 0.68 0.63 0.69 0.69 0.66 0.66 0.64