Ground-Based Remote Sensing of Aerosol Properties over a Coastal Megacity of Pakistan

Table 1

Descriptive statistics of monthly average AOD, fine-mode AOD, coarse-mode AOD, and fine-mode fraction at 500 nm over Karachi during September 2006–August 2014.

	AOD	Fine-mode AOD	Coarse-mode AOD	Fine-mode fraction
Mean	0.48	0.18	0.30	0.42
Standard error	0.02	0.01	0.02	0.02
Median	0.42	0.17	0.24	0.39
Standard deviation	0.20	0.05	0.20	0.16
Range	0.86	0.28	0.88	0.59
Minimum	0.25	0.10	0.04	0.19
Maximum	1.11	0.37	0.91	0.79