Table 1.

Spearman’s correlation coefficient during pre-lockdown i.e., between 14–24 March 2020.

Pre-Lockdown	PM2.5	PM10	NO	NO2	CO	Ozone	Temp	RH	WS	RF	Confirmed Cases
PM2.5	1
PM10	0.95 *	1
NO	0.64 *	0.75 *	1
NO2	0.55	0.69 *	0.87 *	1
CO	0.52	0.41	0.42	0.26	1
Ozone	0.15	0.06	0.17	0.02	0.91 *	1
Temp	0.51	0.38	–0.08	–0.22	0.33	0.21	1
RH	−0.15	−0.05	0.39	0.44	−0.39	−0.45	−0.53	1
WS	−0.16	−0.21	−0.28	−0.06	−0.64 *	−0.73 *	−0.28	0.25	1
RF	−0.35	−0.35	−0.19	−0.29	−0.49	−0.39	0.10	0.54	0.10	1
Confirmed Cases	0.08	−0.07	−0.47	−0.60	0.33	0.43	0.79 *	−0.85 *	−0.33	−0.08	1

* p < 0.05.