Artemisia Allergy Research in China

Table 1

Artemisia pollen season distribution in Chinese cities (July–October), unit: grain.

Province	City	July	August	September	October
Beijing	Beijing^*	85	1773	1492	186
Tianjin	Tianjin^*	107	632	631	42
Hebei	Baoding^*	81	778	1852	185
Hebei	Shijiazhuang^*	42	282	590	164
Shanxi	Taiyuan^*	52	3203	1518	26
Shanxi	Yuncheng^*	0	81	581	972
Inner Mongolia	Hohhot^*	1071	1639	1088	152
Inner Mongolia	kerqinzuoyihou^*	467	1156	896	25
Liaoning	Shenyang^*	72	1330	327	39
Liaoning	Dalian^*	72	554	802	169
Jilin	Changchun^*	822	1620	210	5
Jilin	Tonghua^*	6	385	171	6
Heilongjiang	Harbin^*	14	1977	139	99
Heilongjiang	Jiamusi^*	2	2178	47	24
Heilongjiang	Qiqihar^*	18	1748	43	22
Shandong	Ji'nan^*	31	421	1936	131
Shandong	Qingdao^*	96	106	319	86
The Ningxia	Yinchuan^*	377	2805	533	101
Shaanxi	Xi'an^*	8	256	1132	431
Gansu	Jiuquan^*	5	24	8	5
Qinghai	Xining^*	49	1048	1673	84
Xinjiang	Urumqi^*	10	711	1555	196
Xinjiang	Hami^*	21	34	68	75
Tibet	Lhasa^*	1325	1817	549	93
Henan	Zhengzhou^*	28	35	836	249
Hubei	Wuhan^#	23	37	221	61
Hubei	Xiangyang^#	3	1150	1194	354
Anhui	Hefei^*	3	62	24	8
Sichuan	Chengdu^*	16	114	28	3
Shanghai	Shanghai^#	8	7	207	64
Jiangsu	Nanjing^#	2	71	643	35
Jiangsu	Suzhou^#	0	0	58	13
Zhejiang	Hangzhou^#	0	0	0	6
Jiangxi	Nanchang^#	2	52	1050	45
Fujian	Fuzhou^#	0	53	77	48
Guizhou	Guiyang^#	0	1	1	0
Yunnan	Kunming^#	23	13	97	324
Hunan	Changsha^#	0	0	56	27
Guangdong	Guangzhou^#	0	0	14	20
Guangxi	Nanning^#	0	3	226	156

Cities in north of the Yangtze River; Cities in south of the Yangtze River.