Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 04:53:18
PM - 2.5 44.26 (µg/m3)
PM - 10 160.57 (µg/m3)
SO2 10.82 (µg/m3)
CO 4.17 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 04:45:44
PM - 2.5 25.51 (µg/m3)
PM - 10 48.91 (µg/m3)
SO2 16.3 (µg/m3)
CO 0.46 (mg/m3)
NO2 2.67 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
18-04-2026 04:53:34
PM - 2.5 29 (µg/m3)
PM - 10 56 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.38 (mg/m3)
NO2 15.3 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 04:53:08
PM - 2.5 60.35 (µg/m3)
PM - 10 141.57 (µg/m3)
SO2 12.85 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
18-04-2026 04:45:28
PM - 2.5 2.24 (µg/m3)
PM - 10 (µg/m3)
SO2 5.25 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 04:53:22
PM - 2.5 21 (µg/m3)
PM - 10 40 (µg/m3)
SO2 10.1 (µg/m3)
CO 0.71 (mg/m3)
NO2 17.6 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 04:53:36
PM - 2.5 77.87 (µg/m3)
PM - 10 114.74 (µg/m3)
SO2 17.53 (µg/m3)
CO 3.24 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 04:53:13
PM - 2.5 36.25 (µg/m3)
PM - 10 70.25 (µg/m3)
SO2 18.93 (µg/m3)
CO 1.33 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 04:45:50
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 04:53:36
PM - 2.5 88.85 (µg/m3)
PM - 10 232.9 (µg/m3)
SO2 21.17 (µg/m3)
CO 0.53 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
18-04-2026 04:53:19
PM - 2.5 52.24 (µg/m3)
PM - 10 89.9 (µg/m3)
SO2 25.43 (µg/m3)
CO 2.24 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
18-04-2026 04:53:23
PM - 2.5 8.93 (µg/m3)
PM - 10 44.48 (µg/m3)
SO2 3.59 (µg/m3)
CO 0.22 (mg/m3)
NO2 1.96 (µg/m3)
Northern Coalfields Limited
NCL_CETI
18-04-2026 04:40:19
PM - 2.5 96.39 (µg/m3)
PM - 10 166.19 (µg/m3)
SO2 46.35 (µg/m3)
CO 4.68 (mg/m3)
NO2 33.65 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 04:52:04
PM - 2.5 51.7 (µg/m3)
PM - 10 107.17 (µg/m3)
SO2 19.58 (µg/m3)
CO 0.64 (mg/m3)
NO2 11.1 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 04:48:54
PM - 2.5 55 (µg/m3)
PM - 10 93.44 (µg/m3)
SO2 11.05 (µg/m3)
CO 0.54 (mg/m3)
NO2 5.07 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
18-04-2026 04:46:20
PM - 2.5 37.07 (µg/m3)
PM - 10 59.49 (µg/m3)
SO2 6.61 (µg/m3)
CO 0.46 (mg/m3)
NO2 16.62 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 04:53:31
PM - 2.5 27 (µg/m3)
PM - 10 48 (µg/m3)
SO2 10 (µg/m3)
CO 0.33 (mg/m3)
NO2 10.1 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 04:45:50
PM - 2.5 15.94 (µg/m3)
PM - 10 (µg/m3)
SO2 13.22 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 04:53:29
PM - 2.5 33.41 (µg/m3)
PM - 10 48.88 (µg/m3)
SO2 14.53 (µg/m3)
CO 8.66 (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 04:53:18
PM - 2.5 44.26 (µg/m3)
PM - 10 160.57 (µg/m3)
SO2 10.82 (µg/m3)
CO 4.17 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 04:45:44
PM - 2.5 25.51 (µg/m3)
PM - 10 48.91 (µg/m3)
SO2 16.3 (µg/m3)
CO 0.46 (mg/m3)
NO2 2.67 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
18-04-2026 04:53:34
PM - 2.5 29 (µg/m3)
PM - 10 56 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.38 (mg/m3)
NO2 15.3 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 04:53:08
PM - 2.5 60.35 (µg/m3)
PM - 10 141.57 (µg/m3)
SO2 12.85 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
18-04-2026 04:45:28
PM - 2.5 2.24 (µg/m3)
PM - 10 (µg/m3)
SO2 5.25 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 04:53:22
PM - 2.5 21 (µg/m3)
PM - 10 40 (µg/m3)
SO2 10.1 (µg/m3)
CO 0.71 (mg/m3)
NO2 17.6 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 04:53:36
PM - 2.5 77.87 (µg/m3)
PM - 10 114.74 (µg/m3)
SO2 17.53 (µg/m3)
CO 3.24 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 04:53:13
PM - 2.5 36.25 (µg/m3)
PM - 10 70.25 (µg/m3)
SO2 18.93 (µg/m3)
CO 1.33 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 04:45:50
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 04:53:36
PM - 2.5 88.85 (µg/m3)
PM - 10 232.9 (µg/m3)
SO2 21.17 (µg/m3)
CO 0.53 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
18-04-2026 04:53:19
PM - 2.5 52.24 (µg/m3)
PM - 10 89.9 (µg/m3)
SO2 25.43 (µg/m3)
CO 2.24 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
18-04-2026 04:53:23
PM - 2.5 8.93 (µg/m3)
PM - 10 44.48 (µg/m3)
SO2 3.59 (µg/m3)
CO 0.22 (mg/m3)
NO2 1.96 (µg/m3)
Northern Coalfields Limited
NCL_CETI
18-04-2026 04:40:19
PM - 2.5 96.39 (µg/m3)
PM - 10 166.19 (µg/m3)
SO2 46.35 (µg/m3)
CO 4.68 (mg/m3)
NO2 33.65 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 04:52:04
PM - 2.5 51.7 (µg/m3)
PM - 10 107.17 (µg/m3)
SO2 19.58 (µg/m3)
CO 0.64 (mg/m3)
NO2 11.1 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 04:48:54
PM - 2.5 55 (µg/m3)
PM - 10 93.44 (µg/m3)
SO2 11.05 (µg/m3)
CO 0.54 (mg/m3)
NO2 5.07 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
18-04-2026 04:46:20
PM - 2.5 37.07 (µg/m3)
PM - 10 59.49 (µg/m3)
SO2 6.61 (µg/m3)
CO 0.46 (mg/m3)
NO2 16.62 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 04:53:31
PM - 2.5 27 (µg/m3)
PM - 10 48 (µg/m3)
SO2 10 (µg/m3)
CO 0.33 (mg/m3)
NO2 10.1 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 04:45:50
PM - 2.5 15.94 (µg/m3)
PM - 10 (µg/m3)
SO2 13.22 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 04:53:29
PM - 2.5 33.41 (µg/m3)
PM - 10 48.88 (µg/m3)
SO2 14.53 (µg/m3)
CO 8.66 (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 Kanchan OC Coal Mine	60	80.49
18-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	68.11

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	137.84
18-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	130.37
18-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	193.96

1 - 3

CAAQMS Data

1 - 10 of 1,831

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	18-APR-2026 04:53	17-APR-2026 23:22	77.87	114.74	17.53	-	3.24	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 04:53	17-APR-2026 23:23	52.24	89.90	25.43	-	2.24	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 04:53	17-APR-2026 23:19	36.25	70.25	18.93	-	1.33	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 04:53	17-APR-2026 23:21	77.74	113.61	17.57	-	3.27	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 04:52	17-APR-2026 23:22	52.63	90.10	24.57	-	2.24	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 04:52	17-APR-2026 23:18	36.06	69.92	18.74	-	1.34	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 04:52	17-APR-2026 23:21	77.62	112.64	17.16	-	3.30	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 04:52	17-APR-2026 23:22	52.89	90.10	23.95	-	2.20	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 04:52	17-APR-2026 23:18	35.86	69.50	18.62	-	1.34	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 04:52	17-APR-2026 23:20	77.50	111.51	16.62	-	3.36	site_3509	Thermo Fisher Scientific India Private Limited

1 - 10 of 1,831

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