Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 23:23:47
PM - 2.5 53.56 (µg/m3)
PM - 10 238.07 (µg/m3)
SO2 8.03 (µg/m3)
CO 6.03 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 23:15:11
PM - 2.5 28.51 (µg/m3)
PM - 10 75.74 (µg/m3)
SO2 30.6 (µg/m3)
CO 0.36 (mg/m3)
NO2 17.66 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
18-04-2026 23:23:47
PM - 2.5 23 (µg/m3)
PM - 10 46 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.78 (mg/m3)
NO2 12.7 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 23:24:03
PM - 2.5 117.49 (µg/m3)
PM - 10 245.69 (µg/m3)
SO2 6.11 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
18-04-2026 23:15:10
PM - 2.5 2.3 (µg/m3)
PM - 10 (µg/m3)
SO2 5.31 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 23:24:04
PM - 2.5 24 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.9 (µg/m3)
CO 0.83 (mg/m3)
NO2 17.7 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
18-04-2026 23:23:53
PM - 2.5 28 (µg/m3)
PM - 10 42 (µg/m3)
SO2 5.2 (µg/m3)
CO 0.36 (mg/m3)
NO2 25.6 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 23:23:57
PM - 2.5 55.01 (µg/m3)
PM - 10 284.14 (µg/m3)
SO2 13.73 (µg/m3)
CO 3.75 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 23:24:05
PM - 2.5 51.66 (µg/m3)
PM - 10 234.5 (µg/m3)
SO2 18.19 (µg/m3)
CO 1.68 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S Ukni Opencast Mine
18-04-2026 23:23:43
PM - 2.5 118.58 (µg/m3)
PM - 10 238.51 (µg/m3)
SO2 17.09 (µg/m3)
CO 2.34 (mg/m3)
NO2 .97 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 23:15:51
PM - 2.5 180 (µg/m3)
PM - 10 (µg/m3)
SO2 32.23 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
18-04-2026 23:24:05
PM - 2.5 174.2 (µg/m3)
PM - 10 791.6 (µg/m3)
SO2 34.29 (µg/m3)
CO 0.56 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
18-04-2026 23:23:52
PM - 2.5 117.04 (µg/m3)
PM - 10 341.39 (µg/m3)
SO2 32.38 (µg/m3)
CO 3.00 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
18-04-2026 23:18:19
PM - 2.5 71.48 (µg/m3)
PM - 10 123.24 (µg/m3)
SO2 30.07 (µg/m3)
CO 4.54 (mg/m3)
NO2 33.63 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
18-04-2026 23:15:26
PM - 2.5 76.9 (µg/m3)
PM - 10 346.3 (µg/m3)
SO2 .06 (µg/m3)
CO 1.33 (mg/m3)
NO2 1.79 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 23:22:04
PM - 2.5 42.2 (µg/m3)
PM - 10 79.4 (µg/m3)
SO2 18.41 (µg/m3)
CO 0.46 (mg/m3)
NO2 8.26 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 23:18:59
PM - 2.5 51.67 (µg/m3)
PM - 10 88.34 (µg/m3)
SO2 10.15 (µg/m3)
CO 0.39 (mg/m3)
NO2 3.87 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
18-04-2026 23:16:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 56.05 (µg/m3)
SO2 0 (µg/m3)
CO 0.49 (mg/m3)
NO2 16.57 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 23:23:58
PM - 2.5 38 (µg/m3)
PM - 10 67 (µg/m3)
SO2 9.9 (µg/m3)
CO 0.43 (mg/m3)
NO2 10.1 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 23:15:54
PM - 2.5 53.45 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.00 (mg/m3)
NO2 30.67 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 23:23:45
PM - 2.5 30.27 (µg/m3)
PM - 10 35.3 (µg/m3)
SO2 10.18 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 23:23:47
PM - 2.5 53.56 (µg/m3)
PM - 10 238.07 (µg/m3)
SO2 8.03 (µg/m3)
CO 6.03 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 23:15:11
PM - 2.5 28.51 (µg/m3)
PM - 10 75.74 (µg/m3)
SO2 30.6 (µg/m3)
CO 0.36 (mg/m3)
NO2 17.66 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
18-04-2026 23:23:47
PM - 2.5 23 (µg/m3)
PM - 10 46 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.78 (mg/m3)
NO2 12.7 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 23:24:03
PM - 2.5 117.49 (µg/m3)
PM - 10 245.69 (µg/m3)
SO2 6.11 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
18-04-2026 23:15:10
PM - 2.5 2.3 (µg/m3)
PM - 10 (µg/m3)
SO2 5.31 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 23:24:04
PM - 2.5 24 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.9 (µg/m3)
CO 0.83 (mg/m3)
NO2 17.7 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
18-04-2026 23:23:53
PM - 2.5 28 (µg/m3)
PM - 10 42 (µg/m3)
SO2 5.2 (µg/m3)
CO 0.36 (mg/m3)
NO2 25.6 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 23:23:57
PM - 2.5 55.01 (µg/m3)
PM - 10 284.14 (µg/m3)
SO2 13.73 (µg/m3)
CO 3.75 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 23:24:05
PM - 2.5 51.66 (µg/m3)
PM - 10 234.5 (µg/m3)
SO2 18.19 (µg/m3)
CO 1.68 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S Ukni Opencast Mine
18-04-2026 23:23:43
PM - 2.5 118.58 (µg/m3)
PM - 10 238.51 (µg/m3)
SO2 17.09 (µg/m3)
CO 2.34 (mg/m3)
NO2 .97 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 23:15:51
PM - 2.5 180 (µg/m3)
PM - 10 (µg/m3)
SO2 32.23 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
18-04-2026 23:24:05
PM - 2.5 174.2 (µg/m3)
PM - 10 791.6 (µg/m3)
SO2 34.29 (µg/m3)
CO 0.56 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
18-04-2026 23:23:52
PM - 2.5 117.04 (µg/m3)
PM - 10 341.39 (µg/m3)
SO2 32.38 (µg/m3)
CO 3.00 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
18-04-2026 23:18:19
PM - 2.5 71.48 (µg/m3)
PM - 10 123.24 (µg/m3)
SO2 30.07 (µg/m3)
CO 4.54 (mg/m3)
NO2 33.63 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
18-04-2026 23:15:26
PM - 2.5 76.9 (µg/m3)
PM - 10 346.3 (µg/m3)
SO2 .06 (µg/m3)
CO 1.33 (mg/m3)
NO2 1.79 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 23:22:04
PM - 2.5 42.2 (µg/m3)
PM - 10 79.4 (µg/m3)
SO2 18.41 (µg/m3)
CO 0.46 (mg/m3)
NO2 8.26 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 23:18:59
PM - 2.5 51.67 (µg/m3)
PM - 10 88.34 (µg/m3)
SO2 10.15 (µg/m3)
CO 0.39 (mg/m3)
NO2 3.87 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
18-04-2026 23:16:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 56.05 (µg/m3)
SO2 0 (µg/m3)
CO 0.49 (mg/m3)
NO2 16.57 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 23:23:58
PM - 2.5 38 (µg/m3)
PM - 10 67 (µg/m3)
SO2 9.9 (µg/m3)
CO 0.43 (mg/m3)
NO2 10.1 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 23:15:54
PM - 2.5 53.45 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.00 (mg/m3)
NO2 30.67 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 23:23:45
PM - 2.5 30.27 (µg/m3)
PM - 10 35.3 (µg/m3)
SO2 10.18 (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	90.37
18-APR-2026	South Eastern Coalfields Limited	SECL_KUSMUNDA	60	254,820.06

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	178.37
18-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	123.20
18-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	237.50

1 - 3

CAAQMS Data

1 - 10 of 8,141

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 23:24	18-APR-2026 17:50	51.66	234.50	18.19	-	1.68	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 23:23	18-APR-2026 17:52	55.01	284.14	13.73	-	3.75	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 23:23	18-APR-2026 17:53	117.04	341.39	32.38	-	3.00	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 23:23	18-APR-2026 17:49	51.13	234.20	17.83	-	1.67	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 23:23	18-APR-2026 17:51	55.34	284.26	14.09	-	3.75	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 23:23	18-APR-2026 17:53	117.57	342.64	29.95	-	2.97	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 23:23	18-APR-2026 17:49	50.72	233.90	17.73	-	1.64	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 23:22	18-APR-2026 17:51	55.54	284.32	14.25	-	3.71	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 23:22	18-APR-2026 17:52	118.17	344.15	30.84	-	3.00	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 23:22	18-APR-2026 17:48	50.28	233.60	17.63	-	1.62	site_5720	Thermo Fisher Scientific India Private Limited

1 - 10 of 8,141

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