Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
19-04-2026 14:51:59
PM - 2.5 0 (µg/m3)
PM - 10 49.13 (µg/m3)
SO2 5.65 (µg/m3)
CO 1.36 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
19-04-2026 14:46:27
PM - 2.5 24.92 (µg/m3)
PM - 10 14.91 (µg/m3)
SO2 37.67 (µg/m3)
CO 0.52 (mg/m3)
NO2 1.86 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
19-04-2026 14:51:49
PM - 2.5 16.29 (µg/m3)
PM - 10 99.14 (µg/m3)
SO2 54.28 (µg/m3)
CO 0.88 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
19-04-2026 14:45:43
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 22.45 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
19-04-2026 14:51:46
PM - 2.5 22 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.7 (µg/m3)
CO 0.74 (mg/m3)
NO2 17.7 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
19-04-2026 14:51:47
PM - 2.5 25 (µg/m3)
PM - 10 38 (µg/m3)
SO2 5.4 (µg/m3)
CO 0.31 (mg/m3)
NO2 24.5 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
19-04-2026 14:51:42
PM - 2.5 45.04 (µg/m3)
PM - 10 473.07 (µg/m3)
SO2 8.35 (µg/m3)
CO 3.10 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
19-04-2026 14:51:55
PM - 2.5 21.95 (µg/m3)
PM - 10 33.27 (µg/m3)
SO2 18.69 (µg/m3)
CO 1.00 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
19-04-2026 14:45:51
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 1.18 (mg/m3)
NO2 66.69 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
19-04-2026 14:51:36
PM - 2.5 43.92 (µg/m3)
PM - 10 407.6 (µg/m3)
SO2 17.64 (µg/m3)
CO 0.51 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
19-04-2026 14:51:38
PM - 2.5 38.5 (µg/m3)
PM - 10 68.52 (µg/m3)
SO2 28.63 (µg/m3)
CO 1.91 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
19-04-2026 14:48:17
PM - 2.5 65 (µg/m3)
PM - 10 112.07 (µg/m3)
SO2 22.62 (µg/m3)
CO 3.92 (mg/m3)
NO2 33.72 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
19-04-2026 14:45:21
PM - 2.5 43.1 (µg/m3)
PM - 10 96.2 (µg/m3)
SO2 .31 (µg/m3)
CO 0.34 (mg/m3)
NO2 1.42 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
19-04-2026 14:52:04
PM - 2.5 47.2 (µg/m3)
PM - 10 94.12 (µg/m3)
SO2 19.03 (µg/m3)
CO 0.56 (mg/m3)
NO2 9.77 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
19-04-2026 14:49:03
PM - 2.5 53.56 (µg/m3)
PM - 10 91.24 (µg/m3)
SO2 10.66 (µg/m3)
CO 0.47 (mg/m3)
NO2 4.55 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
19-04-2026 14:46:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 63.53 (µg/m3)
SO2 0 (µg/m3)
CO 0.55 (mg/m3)
NO2 16.61 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
19-04-2026 14:51:58
PM - 2.5 28 (µg/m3)
PM - 10 49 (µg/m3)
SO2 8.7 (µg/m3)
CO 0.37 (mg/m3)
NO2 10.7 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
19-04-2026 14:45:14
PM - 2.5 15.45 (µg/m3)
PM - 10 (µg/m3)
SO2 12.19 (µg/m3)
CO 0.43 (mg/m3)
NO2 198.94 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
19-04-2026 14:51:54
PM - 2.5 0 (µg/m3)
PM - 10 .63 (µg/m3)
SO2 42.27 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
19-04-2026 14:51:59
PM - 2.5 0 (µg/m3)
PM - 10 49.13 (µg/m3)
SO2 5.65 (µg/m3)
CO 1.36 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
19-04-2026 14:46:27
PM - 2.5 24.92 (µg/m3)
PM - 10 14.91 (µg/m3)
SO2 37.67 (µg/m3)
CO 0.52 (mg/m3)
NO2 1.86 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
19-04-2026 14:51:49
PM - 2.5 16.29 (µg/m3)
PM - 10 99.14 (µg/m3)
SO2 54.28 (µg/m3)
CO 0.88 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
19-04-2026 14:45:43
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 22.45 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
19-04-2026 14:51:46
PM - 2.5 22 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.7 (µg/m3)
CO 0.74 (mg/m3)
NO2 17.7 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
19-04-2026 14:51:47
PM - 2.5 25 (µg/m3)
PM - 10 38 (µg/m3)
SO2 5.4 (µg/m3)
CO 0.31 (mg/m3)
NO2 24.5 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
19-04-2026 14:51:42
PM - 2.5 45.04 (µg/m3)
PM - 10 473.07 (µg/m3)
SO2 8.35 (µg/m3)
CO 3.10 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
19-04-2026 14:51:55
PM - 2.5 21.95 (µg/m3)
PM - 10 33.27 (µg/m3)
SO2 18.69 (µg/m3)
CO 1.00 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
19-04-2026 14:45:51
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 1.18 (mg/m3)
NO2 66.69 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
19-04-2026 14:51:36
PM - 2.5 43.92 (µg/m3)
PM - 10 407.6 (µg/m3)
SO2 17.64 (µg/m3)
CO 0.51 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
19-04-2026 14:51:38
PM - 2.5 38.5 (µg/m3)
PM - 10 68.52 (µg/m3)
SO2 28.63 (µg/m3)
CO 1.91 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
19-04-2026 14:48:17
PM - 2.5 65 (µg/m3)
PM - 10 112.07 (µg/m3)
SO2 22.62 (µg/m3)
CO 3.92 (mg/m3)
NO2 33.72 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
19-04-2026 14:45:21
PM - 2.5 43.1 (µg/m3)
PM - 10 96.2 (µg/m3)
SO2 .31 (µg/m3)
CO 0.34 (mg/m3)
NO2 1.42 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
19-04-2026 14:52:04
PM - 2.5 47.2 (µg/m3)
PM - 10 94.12 (µg/m3)
SO2 19.03 (µg/m3)
CO 0.56 (mg/m3)
NO2 9.77 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
19-04-2026 14:49:03
PM - 2.5 53.56 (µg/m3)
PM - 10 91.24 (µg/m3)
SO2 10.66 (µg/m3)
CO 0.47 (mg/m3)
NO2 4.55 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
19-04-2026 14:46:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 63.53 (µg/m3)
SO2 0 (µg/m3)
CO 0.55 (mg/m3)
NO2 16.61 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
19-04-2026 14:51:58
PM - 2.5 28 (µg/m3)
PM - 10 49 (µg/m3)
SO2 8.7 (µg/m3)
CO 0.37 (mg/m3)
NO2 10.7 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
19-04-2026 14:45:14
PM - 2.5 15.45 (µg/m3)
PM - 10 (µg/m3)
SO2 12.19 (µg/m3)
CO 0.43 (mg/m3)
NO2 198.94 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
19-04-2026 14:51:54
PM - 2.5 0 (µg/m3)
PM - 10 .63 (µg/m3)
SO2 42.27 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

From

Expected format: DD-MON-RR

Subsidiary

Mine

Record Date	Company name	Mine name	Permissible Limit (µg/m3)	Average PM - 2.5 (µg/m3)
19-APR-2026	South Eastern Coalfields Limited	M/S Kanchan OC Coal Mine	60	66.10
19-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	60	61.54
19-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	90.28
19-APR-2026	South Eastern Coalfields Limited	SECL_KUSMUNDA	60	2,147,483.75

1 - 4

Record Date	Company name	Mine name	Permissible Limit (µg/m3)	Average PM - 10 (µg/m3)
19-APR-2026	South Eastern Coalfields Limited	M/S Kanchan OC Coal Mine	100	206.41
19-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	120.09
19-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	222.13

1 - 3

CAAQMS Data

1 - 10 of 5,440

Company Name	Area Name	Mine Name	Creation datetime	Record time	PM - 2.5 (µg/m3)	PM - 10 (µg/m3)	SO2 (µg/m3)	NO2 (µg/m3)	CO (mg/m3)	Device ID	Created by
South Eastern Coalfields Limited	Gevra , Chattisgarh	SECL GEVRA	19-APR-2026 14:52	19-APR-2026 14:45	47.20	94.12	19.03	9.77	0.56	site_	Envea India Pvt Ltd
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	19-APR-2026 14:51	19-APR-2026 09:18	21.95	33.27	18.69	-	1.00	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 14:51	19-APR-2026 09:20	45.04	473.07	8.35	-	3.10	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	19-APR-2026 14:51	19-APR-2026 09:21	38.50	68.52	28.63	-	1.91	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	19-APR-2026 14:51	19-APR-2026 09:17	21.75	33.48	18.46	-	1.00	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 14:51	19-APR-2026 09:19	45.27	473.07	8.01	-	3.00	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	19-APR-2026 14:51	19-APR-2026 09:21	38.61	68.89	27.13	-	1.96	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	19-APR-2026 14:50	19-APR-2026 09:17	21.66	33.61	18.46	-	1.00	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 14:50	19-APR-2026 09:19	45.50	473.07	7.58	-	2.99	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	19-APR-2026 14:50	19-APR-2026 09:20	38.65	69.35	26.75	-	1.92	site_5664	Thermo Fisher Scientific India Private Limited

1 - 10 of 5,440

marquee

New

PM - 2.5 (µg/m3)

PM - 10 (µg/m3)

SO2 (µg/m3)

CO (mg/m3)

NO2 (µg/m3)

Permissible limit crossed for PM - 2.5 (µg/m3) in selected date range

Permissible limit crossed for PM - 10 (µg/m3) in selected date range

CAAQMS Data