Table 1.

Summary of health outcomes, pollutants, and meteorological factors.

	Min	25%	Median	Mean	75%	Max
All-cause mortality	1	5	6	7	9	21
Cardiovascular mortality	1	2	4	4	5	15
Respiratory mortality	1	1	1	1	2	7
PM2.5	3.63	18.61	36.89	47.70	66.48	250.13
O3(8 h maximum concentration)	2.10	38.10	50.50	59.95	74.85	200.60
Maximum temperature	−9.20	7.20	20.15	18.00	28.50	40.80
Mean temperature	−15.90	0.20	12.90	11.37	22.45	32.80
Relative humidity	8.00	43.00	60.00	58.68	74.00	98.00
SO2	0.07	1.62	3.90	6.72	8.91	54.45
NO	0.02	0.36	0.61	1.16	1.15	19.23
NO2	0.51	7.54	11.10	13.48	17.17	71.28
NOx	0.70	8.04	11.75	14.64	18.41	90.51