Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
19-04-2026 22:03:04
PM - 2.5 61.66 (µg/m3)
PM - 10 162.87 (µg/m3)
SO2 27.42 (µg/m3)
CO 5.40 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
19-04-2026 22:00:54
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 38.04 (µg/m3)
CO 0.44 (mg/m3)
NO2 5.75 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
19-04-2026 22:03:12
PM - 2.5 32 (µg/m3)
PM - 10 96 (µg/m3)
SO2 4.8 (µg/m3)
CO 0.38 (mg/m3)
NO2 41.7 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
19-04-2026 22:03:30
PM - 2.5 72.19 (µg/m3)
PM - 10 162.2 (µg/m3)
SO2 16 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
19-04-2026 22:00:23
PM - 2.5 2.29 (µg/m3)
PM - 10 (µg/m3)
SO2 5.34 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
19-04-2026 22:03:06
PM - 2.5 17 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.8 (µg/m3)
CO 0.77 (mg/m3)
NO2 17.7 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
19-04-2026 22:03:27
PM - 2.5 30 (µg/m3)
PM - 10 46 (µg/m3)
SO2 5.1 (µg/m3)
CO 0.33 (mg/m3)
NO2 24.5 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
19-04-2026 22:03:22
PM - 2.5 119.53 (µg/m3)
PM - 10 285.76 (µg/m3)
SO2 9.39 (µg/m3)
CO 3.78 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
19-04-2026 22:03:32
PM - 2.5 151.7 (µg/m3)
PM - 10 431.6 (µg/m3)
SO2 19.27 (µg/m3)
CO 2.22 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
19-04-2026 22:00:51
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.18 (mg/m3)
NO2 207.56 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
19-04-2026 22:03:04
PM - 2.5 117.5 (µg/m3)
PM - 10 554.4 (µg/m3)
SO2 7.84 (µg/m3)
CO 0.57 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
19-04-2026 22:03:30
PM - 2.5 341.72 (µg/m3)
PM - 10 1000 (µg/m3)
SO2 30.43 (µg/m3)
CO 3.61 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
19-04-2026 22:03:31
PM - 2.5 28.25 (µg/m3)
PM - 10 0 (µg/m3)
SO2 3.88 (µg/m3)
CO 0.30 (mg/m3)
NO2 1.78 (µg/m3)
Northern Coalfields Limited
NCL_CETI
19-04-2026 22:03:19
PM - 2.5 75.46 (µg/m3)
PM - 10 130.11 (µg/m3)
SO2 33.58 (µg/m3)
CO 4.09 (mg/m3)
NO2 33.64 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
19-04-2026 22:00:58
PM - 2.5 62.7 (µg/m3)
PM - 10 149.2 (µg/m3)
SO2 .82 (µg/m3)
CO 0.54 (mg/m3)
NO2 1.63 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
19-04-2026 21:52:05
PM - 2.5 54.3 (µg/m3)
PM - 10 114.77 (µg/m3)
SO2 19.9 (µg/m3)
CO 0.69 (mg/m3)
NO2 11.87 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
19-04-2026 21:49:05
PM - 2.5 48.35 (µg/m3)
PM - 10 83.25 (µg/m3)
SO2 9.26 (µg/m3)
CO 0.24 (mg/m3)
NO2 2.68 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
19-04-2026 22:01:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 103.56 (µg/m3)
SO2 8.35 (µg/m3)
CO 0.90 (mg/m3)
NO2 17.16 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
19-04-2026 22:03:27
PM - 2.5 41 (µg/m3)
PM - 10 73 (µg/m3)
SO2 9.9 (µg/m3)
CO 0.49 (mg/m3)
NO2 10.7 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
19-04-2026 22:00:12
PM - 2.5 73.76 (µg/m3)
PM - 10 (µg/m3)
SO2 70.61 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
19-04-2026 22:03:02
PM - 2.5 50.4 (µg/m3)
PM - 10 85.49 (µg/m3)
SO2 18.63 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
19-04-2026 22:03:04
PM - 2.5 61.66 (µg/m3)
PM - 10 162.87 (µg/m3)
SO2 27.42 (µg/m3)
CO 5.40 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
19-04-2026 22:00:54
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 38.04 (µg/m3)
CO 0.44 (mg/m3)
NO2 5.75 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
19-04-2026 22:03:12
PM - 2.5 32 (µg/m3)
PM - 10 96 (µg/m3)
SO2 4.8 (µg/m3)
CO 0.38 (mg/m3)
NO2 41.7 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
19-04-2026 22:03:30
PM - 2.5 72.19 (µg/m3)
PM - 10 162.2 (µg/m3)
SO2 16 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
19-04-2026 22:00:23
PM - 2.5 2.29 (µg/m3)
PM - 10 (µg/m3)
SO2 5.34 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
19-04-2026 22:03:06
PM - 2.5 17 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.8 (µg/m3)
CO 0.77 (mg/m3)
NO2 17.7 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
19-04-2026 22:03:27
PM - 2.5 30 (µg/m3)
PM - 10 46 (µg/m3)
SO2 5.1 (µg/m3)
CO 0.33 (mg/m3)
NO2 24.5 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
19-04-2026 22:03:22
PM - 2.5 119.53 (µg/m3)
PM - 10 285.76 (µg/m3)
SO2 9.39 (µg/m3)
CO 3.78 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
19-04-2026 22:03:32
PM - 2.5 151.7 (µg/m3)
PM - 10 431.6 (µg/m3)
SO2 19.27 (µg/m3)
CO 2.22 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
19-04-2026 22:00:51
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.18 (mg/m3)
NO2 207.56 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
19-04-2026 22:03:04
PM - 2.5 117.5 (µg/m3)
PM - 10 554.4 (µg/m3)
SO2 7.84 (µg/m3)
CO 0.57 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
19-04-2026 22:03:30
PM - 2.5 341.72 (µg/m3)
PM - 10 1000 (µg/m3)
SO2 30.43 (µg/m3)
CO 3.61 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
19-04-2026 22:03:31
PM - 2.5 28.25 (µg/m3)
PM - 10 0 (µg/m3)
SO2 3.88 (µg/m3)
CO 0.30 (mg/m3)
NO2 1.78 (µg/m3)
Northern Coalfields Limited
NCL_CETI
19-04-2026 22:03:19
PM - 2.5 75.46 (µg/m3)
PM - 10 130.11 (µg/m3)
SO2 33.58 (µg/m3)
CO 4.09 (mg/m3)
NO2 33.64 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
19-04-2026 22:00:58
PM - 2.5 62.7 (µg/m3)
PM - 10 149.2 (µg/m3)
SO2 .82 (µg/m3)
CO 0.54 (mg/m3)
NO2 1.63 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
19-04-2026 21:52:05
PM - 2.5 54.3 (µg/m3)
PM - 10 114.77 (µg/m3)
SO2 19.9 (µg/m3)
CO 0.69 (mg/m3)
NO2 11.87 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
19-04-2026 21:49:05
PM - 2.5 48.35 (µg/m3)
PM - 10 83.25 (µg/m3)
SO2 9.26 (µg/m3)
CO 0.24 (mg/m3)
NO2 2.68 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
19-04-2026 22:01:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 103.56 (µg/m3)
SO2 8.35 (µg/m3)
CO 0.90 (mg/m3)
NO2 17.16 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
19-04-2026 22:03:27
PM - 2.5 41 (µg/m3)
PM - 10 73 (µg/m3)
SO2 9.9 (µg/m3)
CO 0.49 (mg/m3)
NO2 10.7 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
19-04-2026 22:00:12
PM - 2.5 73.76 (µg/m3)
PM - 10 (µg/m3)
SO2 70.61 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
19-04-2026 22:03:02
PM - 2.5 50.4 (µg/m3)
PM - 10 85.49 (µg/m3)
SO2 18.63 (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	63.60
19-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	60	61.72
19-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	106.57
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	242.95
19-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	137.18
19-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	247.85

1 - 3

CAAQMS Data

1 - 10 of 8,089

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	19-APR-2026 22:03	19-APR-2026 16:29	151.70	431.60	19.27	-	2.22	site_5720	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 22:03	19-APR-2026 16:33	341.72	1,000.00	30.43	-	3.61	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 22:03	19-APR-2026 16:31	119.53	285.76	9.39	-	3.78	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	19-APR-2026 22:03	19-APR-2026 16:29	152.40	435.20	19.46	-	2.23	site_5720	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 22:03	19-APR-2026 16:32	342.51	1,000.00	31.22	-	3.61	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 22:02	19-APR-2026 16:31	119.26	281.35	9.58	-	3.76	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	19-APR-2026 22:02	19-APR-2026 16:28	153.10	439.20	19.25	-	2.22	site_5720	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 22:02	19-APR-2026 16:32	343.62	1,000.00	33.12	-	3.59	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 22:02	19-APR-2026 16:30	119.07	277.39	9.49	-	3.82	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	19-APR-2026 22:02	19-APR-2026 16:28	153.90	443.40	19.53	-	2.23	site_5720	Thermo Fisher Scientific India Private Limited

1 - 10 of 8,089

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