Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
19-04-2026 22:32:37
PM - 2.5 46.43 (µg/m3)
PM - 10 159.58 (µg/m3)
SO2 25.34 (µg/m3)
CO 6.51 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
19-04-2026 22:30:40
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 38.32 (µg/m3)
CO 0.44 (mg/m3)
NO2 13.97 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
19-04-2026 22:32:28
PM - 2.5 32 (µg/m3)
PM - 10 64 (µg/m3)
SO2 4.8 (µg/m3)
CO 0.42 (mg/m3)
NO2 11.3 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
19-04-2026 22:32:31
PM - 2.5 85.17 (µg/m3)
PM - 10 205.29 (µg/m3)
SO2 12.91 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
19-04-2026 22:30:01
PM - 2.5 2.28 (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
19-04-2026 22:32:21
PM - 2.5 17 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.8 (µg/m3)
CO 0.81 (mg/m3)
NO2 17.6 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
19-04-2026 22:32:27
PM - 2.5 30 (µg/m3)
PM - 10 46 (µg/m3)
SO2 5.2 (µg/m3)
CO 0.34 (mg/m3)
NO2 25.2 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
19-04-2026 22:32:51
PM - 2.5 110.74 (µg/m3)
PM - 10 301.64 (µg/m3)
SO2 9.48 (µg/m3)
CO 3.72 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
19-04-2026 22:32:33
PM - 2.5 106.2 (µg/m3)
PM - 10 250.5 (µg/m3)
SO2 18.96 (µg/m3)
CO 1.94 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
19-04-2026 22:30:52
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.13 (mg/m3)
NO2 42.5 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
19-04-2026 22:32:35
PM - 2.5 103 (µg/m3)
PM - 10 512.5 (µg/m3)
SO2 6.7 (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
19-04-2026 22:32:46
PM - 2.5 290.58 (µg/m3)
PM - 10 1000 (µg/m3)
SO2 32.16 (µg/m3)
CO 3.92 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
19-04-2026 22:32:32
PM - 2.5 23.5 (µg/m3)
PM - 10 0 (µg/m3)
SO2 3.95 (µg/m3)
CO 0.36 (mg/m3)
NO2 1.92 (µg/m3)
Northern Coalfields Limited
NCL_CETI
19-04-2026 22:18:19
PM - 2.5 75.46 (µg/m3)
PM - 10 130.11 (µg/m3)
SO2 32.62 (µg/m3)
CO 4.34 (mg/m3)
NO2 33.65 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
19-04-2026 22:30:36
PM - 2.5 47.9 (µg/m3)
PM - 10 145.1 (µg/m3)
SO2 .75 (µg/m3)
CO 0.52 (mg/m3)
NO2 1.61 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
19-04-2026 22:22:04
PM - 2.5 41.9 (µg/m3)
PM - 10 78.52 (µg/m3)
SO2 18.37 (µg/m3)
CO 0.46 (mg/m3)
NO2 8.17 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
19-04-2026 22:19:05
PM - 2.5 47.8 (µg/m3)
PM - 10 82.4 (µg/m3)
SO2 9.11 (µg/m3)
CO 0.21 (mg/m3)
NO2 2.48 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
19-04-2026 22:31:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 84.11 (µg/m3)
SO2 7.93 (µg/m3)
CO 0.73 (mg/m3)
NO2 17 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
19-04-2026 22:32:27
PM - 2.5 41 (µg/m3)
PM - 10 73 (µg/m3)
SO2 9.8 (µg/m3)
CO 0.44 (mg/m3)
NO2 10.8 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
19-04-2026 22:30:50
PM - 2.5 69.87 (µg/m3)
PM - 10 (µg/m3)
SO2 66.81 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
19-04-2026 22:32:35
PM - 2.5 49.7 (µg/m3)
PM - 10 94.82 (µg/m3)
SO2 97.05 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
19-04-2026 22:32:37
PM - 2.5 46.43 (µg/m3)
PM - 10 159.58 (µg/m3)
SO2 25.34 (µg/m3)
CO 6.51 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
19-04-2026 22:30:40
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 38.32 (µg/m3)
CO 0.44 (mg/m3)
NO2 13.97 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
19-04-2026 22:32:28
PM - 2.5 32 (µg/m3)
PM - 10 64 (µg/m3)
SO2 4.8 (µg/m3)
CO 0.42 (mg/m3)
NO2 11.3 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
19-04-2026 22:32:31
PM - 2.5 85.17 (µg/m3)
PM - 10 205.29 (µg/m3)
SO2 12.91 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
19-04-2026 22:30:01
PM - 2.5 2.28 (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
19-04-2026 22:32:21
PM - 2.5 17 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.8 (µg/m3)
CO 0.81 (mg/m3)
NO2 17.6 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
19-04-2026 22:32:27
PM - 2.5 30 (µg/m3)
PM - 10 46 (µg/m3)
SO2 5.2 (µg/m3)
CO 0.34 (mg/m3)
NO2 25.2 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
19-04-2026 22:32:51
PM - 2.5 110.74 (µg/m3)
PM - 10 301.64 (µg/m3)
SO2 9.48 (µg/m3)
CO 3.72 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
19-04-2026 22:32:33
PM - 2.5 106.2 (µg/m3)
PM - 10 250.5 (µg/m3)
SO2 18.96 (µg/m3)
CO 1.94 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
19-04-2026 22:30:52
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.13 (mg/m3)
NO2 42.5 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
19-04-2026 22:32:35
PM - 2.5 103 (µg/m3)
PM - 10 512.5 (µg/m3)
SO2 6.7 (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
19-04-2026 22:32:46
PM - 2.5 290.58 (µg/m3)
PM - 10 1000 (µg/m3)
SO2 32.16 (µg/m3)
CO 3.92 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
19-04-2026 22:32:32
PM - 2.5 23.5 (µg/m3)
PM - 10 0 (µg/m3)
SO2 3.95 (µg/m3)
CO 0.36 (mg/m3)
NO2 1.92 (µg/m3)
Northern Coalfields Limited
NCL_CETI
19-04-2026 22:18:19
PM - 2.5 75.46 (µg/m3)
PM - 10 130.11 (µg/m3)
SO2 32.62 (µg/m3)
CO 4.34 (mg/m3)
NO2 33.65 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
19-04-2026 22:30:36
PM - 2.5 47.9 (µg/m3)
PM - 10 145.1 (µg/m3)
SO2 .75 (µg/m3)
CO 0.52 (mg/m3)
NO2 1.61 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
19-04-2026 22:22:04
PM - 2.5 41.9 (µg/m3)
PM - 10 78.52 (µg/m3)
SO2 18.37 (µg/m3)
CO 0.46 (mg/m3)
NO2 8.17 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
19-04-2026 22:19:05
PM - 2.5 47.8 (µg/m3)
PM - 10 82.4 (µg/m3)
SO2 9.11 (µg/m3)
CO 0.21 (mg/m3)
NO2 2.48 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
19-04-2026 22:31:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 84.11 (µg/m3)
SO2 7.93 (µg/m3)
CO 0.73 (mg/m3)
NO2 17 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
19-04-2026 22:32:27
PM - 2.5 41 (µg/m3)
PM - 10 73 (µg/m3)
SO2 9.8 (µg/m3)
CO 0.44 (mg/m3)
NO2 10.8 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
19-04-2026 22:30:50
PM - 2.5 69.87 (µg/m3)
PM - 10 (µg/m3)
SO2 66.81 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
19-04-2026 22:32:35
PM - 2.5 49.7 (µg/m3)
PM - 10 94.82 (µg/m3)
SO2 97.05 (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	64.81
19-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	60	63.17
19-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	111.29
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	244.68
19-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	141.49
19-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	266.85

1 - 3

CAAQMS Data

1 - 10 of 8,273

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	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 22:32	19-APR-2026 17:01	110.74	301.64	9.48	-	3.72	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 22:32	19-APR-2026 17:02	290.58	1,000.00	32.16	-	3.92	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	19-APR-2026 22:32	19-APR-2026 16:58	106.20	250.50	18.96	-	1.94	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 22:32	19-APR-2026 17:00	111.43	302.29	9.27	-	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	19-APR-2026 22:32	19-APR-2026 17:02	291.36	1,000.00	29.63	-	3.89	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	19-APR-2026 22:32	19-APR-2026 16:58	106.90	253.20	19.17	-	1.95	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 22:31	19-APR-2026 17:00	112.00	302.97	9.31	-	3.96	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 22:31	19-APR-2026 17:01	291.99	1,000.00	31.94	-	3.90	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	19-APR-2026 22:31	19-APR-2026 16:57	107.70	255.60	18.78	-	1.95	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 22:31	19-APR-2026 16:59	112.52	303.77	9.39	-	4.48	site_3509	Thermo Fisher Scientific India Private Limited

1 - 10 of 8,273

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