Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 22:20:48
PM - 2.5 29.35 (µg/m3)
PM - 10 144.88 (µg/m3)
SO2 10.01 (µg/m3)
CO 5.71 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 22:15:35
PM - 2.5 23.83 (µg/m3)
PM - 10 54.56 (µg/m3)
SO2 33.46 (µg/m3)
CO 0.29 (mg/m3)
NO2 17.05 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
18-04-2026 22:20:47
PM - 2.5 30 (µg/m3)
PM - 10 61 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.51 (mg/m3)
NO2 12.2 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 22:21:01
PM - 2.5 102.19 (µg/m3)
PM - 10 225.11 (µg/m3)
SO2 11.07 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
18-04-2026 22:15:54
PM - 2.5 2.34 (µg/m3)
PM - 10 (µg/m3)
SO2 5.43 (µg/m3)
CO ##### (mg/m3)
NO2 .41 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 22:20:19
PM - 2.5 27 (µg/m3)
PM - 10 110 (µg/m3)
SO2 10.2 (µg/m3)
CO 0.68 (mg/m3)
NO2 17.6 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
18-04-2026 22:20:48
PM - 2.5 31 (µg/m3)
PM - 10 48 (µg/m3)
SO2 5.2 (µg/m3)
CO 0.36 (mg/m3)
NO2 25.2 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 22:20:56
PM - 2.5 56.98 (µg/m3)
PM - 10 219.72 (µg/m3)
SO2 12.63 (µg/m3)
CO 4.00 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 22:21:03
PM - 2.5 52.95 (µg/m3)
PM - 10 213.1 (µg/m3)
SO2 18.8 (µg/m3)
CO 1.51 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S Ukni Opencast Mine
18-04-2026 22:20:42
PM - 2.5 106.01 (µg/m3)
PM - 10 471.09 (µg/m3)
SO2 19.34 (µg/m3)
CO 2.50 (mg/m3)
NO2 4.48 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 22:15:51
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
18-04-2026 22:20:36
PM - 2.5 163.2 (µg/m3)
PM - 10 809.2 (µg/m3)
SO2 31.1 (µg/m3)
CO 0.55 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
18-04-2026 22:20:55
PM - 2.5 218.92 (µg/m3)
PM - 10 687.09 (µg/m3)
SO2 29.94 (µg/m3)
CO 3.61 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
18-04-2026 22:18:19
PM - 2.5 67.25 (µg/m3)
PM - 10 115.94 (µg/m3)
SO2 24.95 (µg/m3)
CO 3.56 (mg/m3)
NO2 33.65 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
18-04-2026 22:15:11
PM - 2.5 63.8 (µg/m3)
PM - 10 140.2 (µg/m3)
SO2 .19 (µg/m3)
CO 0.86 (mg/m3)
NO2 1.64 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 22:07:04
PM - 2.5 53.1 (µg/m3)
PM - 10 111.41 (µg/m3)
SO2 19.75 (µg/m3)
CO 0.67 (mg/m3)
NO2 11.53 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 22:18:59
PM - 2.5 50.31 (µg/m3)
PM - 10 86.25 (µg/m3)
SO2 9.78 (µg/m3)
CO 0.33 (mg/m3)
NO2 3.38 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
18-04-2026 22:16:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 61.52 (µg/m3)
SO2 0 (µg/m3)
CO 0.53 (mg/m3)
NO2 16.85 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 22:20:58
PM - 2.5 38 (µg/m3)
PM - 10 66 (µg/m3)
SO2 10.2 (µg/m3)
CO 0.50 (mg/m3)
NO2 10.2 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 22:15:36
PM - 2.5 37.34 (µg/m3)
PM - 10 (µg/m3)
SO2 33.7 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 22:20:44
PM - 2.5 60.88 (µg/m3)
PM - 10 66.3 (µg/m3)
SO2 11.87 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 22:20:48
PM - 2.5 29.35 (µg/m3)
PM - 10 144.88 (µg/m3)
SO2 10.01 (µg/m3)
CO 5.71 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 22:15:35
PM - 2.5 23.83 (µg/m3)
PM - 10 54.56 (µg/m3)
SO2 33.46 (µg/m3)
CO 0.29 (mg/m3)
NO2 17.05 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
18-04-2026 22:20:47
PM - 2.5 30 (µg/m3)
PM - 10 61 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.51 (mg/m3)
NO2 12.2 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 22:21:01
PM - 2.5 102.19 (µg/m3)
PM - 10 225.11 (µg/m3)
SO2 11.07 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
18-04-2026 22:15:54
PM - 2.5 2.34 (µg/m3)
PM - 10 (µg/m3)
SO2 5.43 (µg/m3)
CO ##### (mg/m3)
NO2 .41 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 22:20:19
PM - 2.5 27 (µg/m3)
PM - 10 110 (µg/m3)
SO2 10.2 (µg/m3)
CO 0.68 (mg/m3)
NO2 17.6 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
18-04-2026 22:20:48
PM - 2.5 31 (µg/m3)
PM - 10 48 (µg/m3)
SO2 5.2 (µg/m3)
CO 0.36 (mg/m3)
NO2 25.2 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 22:20:56
PM - 2.5 56.98 (µg/m3)
PM - 10 219.72 (µg/m3)
SO2 12.63 (µg/m3)
CO 4.00 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 22:21:03
PM - 2.5 52.95 (µg/m3)
PM - 10 213.1 (µg/m3)
SO2 18.8 (µg/m3)
CO 1.51 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S Ukni Opencast Mine
18-04-2026 22:20:42
PM - 2.5 106.01 (µg/m3)
PM - 10 471.09 (µg/m3)
SO2 19.34 (µg/m3)
CO 2.50 (mg/m3)
NO2 4.48 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 22:15:51
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
18-04-2026 22:20:36
PM - 2.5 163.2 (µg/m3)
PM - 10 809.2 (µg/m3)
SO2 31.1 (µg/m3)
CO 0.55 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
18-04-2026 22:20:55
PM - 2.5 218.92 (µg/m3)
PM - 10 687.09 (µg/m3)
SO2 29.94 (µg/m3)
CO 3.61 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
18-04-2026 22:18:19
PM - 2.5 67.25 (µg/m3)
PM - 10 115.94 (µg/m3)
SO2 24.95 (µg/m3)
CO 3.56 (mg/m3)
NO2 33.65 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
18-04-2026 22:15:11
PM - 2.5 63.8 (µg/m3)
PM - 10 140.2 (µg/m3)
SO2 .19 (µg/m3)
CO 0.86 (mg/m3)
NO2 1.64 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 22:07:04
PM - 2.5 53.1 (µg/m3)
PM - 10 111.41 (µg/m3)
SO2 19.75 (µg/m3)
CO 0.67 (mg/m3)
NO2 11.53 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 22:18:59
PM - 2.5 50.31 (µg/m3)
PM - 10 86.25 (µg/m3)
SO2 9.78 (µg/m3)
CO 0.33 (mg/m3)
NO2 3.38 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
18-04-2026 22:16:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 61.52 (µg/m3)
SO2 0 (µg/m3)
CO 0.53 (mg/m3)
NO2 16.85 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 22:20:58
PM - 2.5 38 (µg/m3)
PM - 10 66 (µg/m3)
SO2 10.2 (µg/m3)
CO 0.50 (mg/m3)
NO2 10.2 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 22:15:36
PM - 2.5 37.34 (µg/m3)
PM - 10 (µg/m3)
SO2 33.7 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 22:20:44
PM - 2.5 60.88 (µg/m3)
PM - 10 66.3 (µg/m3)
SO2 11.87 (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)
18-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	86.04
18-APR-2026	South Eastern Coalfields Limited	SECL_KUSMUNDA	60	117,171.79

1 - 2

Record Date	Company name	Mine name	Permissible Limit (µg/m3)	Average PM - 10 (µg/m3)
18-APR-2026	South Eastern Coalfields Limited	M/S Kanchan OC Coal Mine	100	175.92
18-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	120.50
18-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	223.62

1 - 3

CAAQMS Data

1 - 10 of 7,748

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	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 22:21	18-APR-2026 16:47	52.95	213.10	18.80	-	1.51	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 22:20	18-APR-2026 16:49	56.98	219.72	12.63	-	4.00	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	18-APR-2026 22:20	18-APR-2026 16:50	218.92	687.09	29.94	-	3.61	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 22:20	18-APR-2026 16:46	53.02	213.10	18.90	-	1.51	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 22:20	18-APR-2026 16:48	57.06	218.87	12.64	-	4.00	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	18-APR-2026 22:20	18-APR-2026 16:50	219.99	689.21	30.94	-	3.63	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 22:20	18-APR-2026 16:46	53.08	213.10	18.80	-	1.51	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 22:19	18-APR-2026 16:48	57.23	218.27	12.83	-	3.92	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	18-APR-2026 22:19	18-APR-2026 16:49	221.32	691.17	31.36	-	3.64	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 22:19	18-APR-2026 16:45	53.19	213.10	18.95	-	1.53	site_5720	Thermo Fisher Scientific India Private Limited

1 - 10 of 7,748

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