Table 4.

Weekly AQI data (before and during lockdown period) (NAQI- CPCB, 2020).

Sl. No	State Name	Station Name	AQI before lockdown	AQI after declaration of lockdown
			14 January’ 2020	24 March’ 2020	31 March’ 2020	7 April’ 2020	14 April’ 2020
1	Andhra Pradesh	Anand Kala Kshetram, Rajamahendravaram – APPCB	216	62	69	29	37
2	Bihar	Muzaffarpur Collectorate, Muzaffarpur - BSPCB	367	266	134	65	84
3	Chandigarh	Sector-25, Chandigarh – CPCC	75	35	38	41	45
4	Delhi	IHBAS, Dilshad Garden, Delhi - CPCB	301	99	24	37	53
5	Haryana	Sector- 16A, Faridabad – HSPCB	315	151	121	121	78
6	Karnataka	Peenya, Bengaluru – CPCB	143	105	50	57	63
7	Maharashtra	Chhatrapati Shivaji Intl. Airport (T2), Mumbai – MPCB	122	94	68	55	67
8	Punjab	Model Town, Patiala – PPCB	106	49	26	43	51
9	Tamil Nadu	Alandur Bus Depot, Chennai – CPCB	172	42	40	29	27
10	Telangana	ICRISAT Patancheru, Hyderabad - TSPCB	130	64	64	47	77