Mitigating the Urban Heat Island Effect in Megacity Tehran

Table 3

Heat waves in Tehran from 2001 to 2011. Em indicates the excess mortality in percent and NofD indicates the number of death from 5 categories: all mortality causes, elderly people ≥65 years, with cardiovascular, cerebrovascular, and respiratory causes [32].

Year (number; of heat waves)	Length; in days	All causes		>65 years	Cardiovascular	Cerebrovascular	Respiratory
		Em (%)	NofD	NofD	NofD	NofD	NofD
2001 (1)	4	6.1	452	240	181	49	18
2001 (2)	4	10	493	246	211	46	25
2001 (3)	3	11.6	327	157	143	18	13
2002 (1)	6	9.8	692	366	308	42	18
2002 (2)	7	11.6	524	275	204	35	18
2003	1	0.8	1704	873	721	164	75
2005 (1)	11	3.2	1377	744	504	129	104
2005 (2)	5	14.6	658	370	238	64	38
2006 (1)	7	15.8	881	466	303	61	54
2006 (2)	5	3.9	587	319	203	48	39
2006 (3)	5	11.3	619	322	173	64	46
2006 (4)	5	11.7	885	468	293	77	60
2008 (1)	7	6.4	868	482	343	49	64
2008 (2)	3	5.6	392	208	147	24	40
2009	8	19.2	1005	558	401	73	76
2010	14	2.7	1658	939	613	109	143
2011	11	8.9	1353	745	476	103	112