Please answer the following questions		Percentage (%)
Do you know the AQ Index in China?	Yes	40
	No	60
	I do not know	7
Where do you usually access the AQ information in Wuhan? (multiple choice)	Website	80
	Newspaper	52
	TV news	54
	Radio	30
	Mobile phone applications	57
	Outdoor screen	15
	I do not care such information	1
	Other	<1
Do you know or have you visited the real-time AQ release system that published by the government in Wuhan?	I do not know it at all	51
	I know it but I have never visited it	22
	I know it but I have rarely visited it	22
	I know it and I often visit it	4
What type of the AQ information are you really interested in it? (multiple choice)	Air pollutant concentration	56
	Change in tendency of the air pollutant concentration	43
	Air quality grade	64
	Air quality forecast for the next 24 hours	61
	Other	1
Could you please choose the AQ services you are most interested in it? (multiple choice)	Environment quality forecast	70
	Forecast on the meteorological condition of air pollution	70
	Forecast on the haze and visibility	75
	Forecast on sand storm	21
	Other	<1
Are the current AQ Index and real-time AQ release system in Wuhan useful for you?	Useful	45
	Useless	14
	I don’t know	35
	It doesn’t matter for me	7
Do you trust the results of the real - time AQ release system in Wuhan?	Yes	43
	No	31
	I don’t know	27
Are you satisfied with the current AQ release/disclosure information?	Yes	39
	No	44
	I don’t know	16
In China, AQ information to the public is available from Chinese government, NGOs and Foreign Embassies. Could you please tell which one you trust most? (the one ranking the first means the highest reliability for you)	Chinese government, NGOs, Foreign Embassies in China	25
	Chinese government, Foreign Embassies in China, NGOs	22
	NGOs, Chinese government, Foreign Embassies in China	14
	NGOs, Foreign Embassies in China, Chinese government	13
	Foreign Embassies in China, Chinese government, NGOs	10
	Foreign Embassies in China, NGOs, Chinese government	15
	Other	1