Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 00:20:12
PM - 2.5 95.48 (µg/m3)
PM - 10 368.18 (µg/m3)
SO2 12.06 (µg/m3)
CO 2.79 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 00:15:28
PM - 2.5 28.47 (µg/m3)
PM - 10 98.83 (µg/m3)
SO2 24.6 (µg/m3)
CO 0.40 (mg/m3)
NO2 16.23 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
18-04-2026 00:19:45
PM - 2.5 41 (µg/m3)
PM - 10 82 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.68 (mg/m3)
NO2 12.6 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 00:20:03
PM - 2.5 83.15 (µg/m3)
PM - 10 154.03 (µg/m3)
SO2 8.15 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
18-04-2026 00:15:47
PM - 2.5 2.28 (µg/m3)
PM - 10 (µg/m3)
SO2 5.33 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 00:20:19
PM - 2.5 26 (µg/m3)
PM - 10 52 (µg/m3)
SO2 10.4 (µg/m3)
CO 0.81 (mg/m3)
NO2 17.6 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 00:19:59
PM - 2.5 108.39 (µg/m3)
PM - 10 193.95 (µg/m3)
SO2 9.24 (µg/m3)
CO 3.29 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 00:20:07
PM - 2.5 56.39 (µg/m3)
PM - 10 124.2 (µg/m3)
SO2 19.1 (µg/m3)
CO 1.59 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 00:15:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 984.26 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
18-04-2026 00:20:05
PM - 2.5 90.52 (µg/m3)
PM - 10 278.7 (µg/m3)
SO2 20.73 (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
18-04-2026 00:20:02
PM - 2.5 112.5 (µg/m3)
PM - 10 302.82 (µg/m3)
SO2 28.28 (µg/m3)
CO 2.73 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
18-04-2026 00:20:13
PM - 2.5 26.54 (µg/m3)
PM - 10 108.41 (µg/m3)
SO2 3.53 (µg/m3)
CO 0.61 (mg/m3)
NO2 3.08 (µg/m3)
Northern Coalfields Limited
NCL_CETI
18-04-2026 00:18:17
PM - 2.5 61.36 (µg/m3)
PM - 10 105.8 (µg/m3)
SO2 21.66 (µg/m3)
CO 3.77 (mg/m3)
NO2 33.65 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 00:07:03
PM - 2.5 .1 (µg/m3)
PM - 10 0 (µg/m3)
SO2 5 (µg/m3)
CO 0.45 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 00:18:54
PM - 2.5 49.84 (µg/m3)
PM - 10 85.52 (µg/m3)
SO2 9.66 (µg/m3)
CO 0.31 (mg/m3)
NO2 3.21 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
18-04-2026 00:16:20
PM - 2.5 37.07 (µg/m3)
PM - 10 54.02 (µg/m3)
SO2 6.69 (µg/m3)
CO 0.41 (mg/m3)
NO2 16.37 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 00:20:03
PM - 2.5 56 (µg/m3)
PM - 10 98 (µg/m3)
SO2 10.3 (µg/m3)
CO 0.71 (mg/m3)
NO2 10.7 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 00:15:02
PM - 2.5 15.45 (µg/m3)
PM - 10 (µg/m3)
SO2 12.36 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 00:20:01
PM - 2.5 128.63 (µg/m3)
PM - 10 249.64 (µg/m3)
SO2 218.14 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 00:20:12
PM - 2.5 95.48 (µg/m3)
PM - 10 368.18 (µg/m3)
SO2 12.06 (µg/m3)
CO 2.79 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 00:15:28
PM - 2.5 28.47 (µg/m3)
PM - 10 98.83 (µg/m3)
SO2 24.6 (µg/m3)
CO 0.40 (mg/m3)
NO2 16.23 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
18-04-2026 00:19:45
PM - 2.5 41 (µg/m3)
PM - 10 82 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.68 (mg/m3)
NO2 12.6 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 00:20:03
PM - 2.5 83.15 (µg/m3)
PM - 10 154.03 (µg/m3)
SO2 8.15 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
18-04-2026 00:15:47
PM - 2.5 2.28 (µg/m3)
PM - 10 (µg/m3)
SO2 5.33 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 00:20:19
PM - 2.5 26 (µg/m3)
PM - 10 52 (µg/m3)
SO2 10.4 (µg/m3)
CO 0.81 (mg/m3)
NO2 17.6 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 00:19:59
PM - 2.5 108.39 (µg/m3)
PM - 10 193.95 (µg/m3)
SO2 9.24 (µg/m3)
CO 3.29 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 00:20:07
PM - 2.5 56.39 (µg/m3)
PM - 10 124.2 (µg/m3)
SO2 19.1 (µg/m3)
CO 1.59 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 00:15:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 984.26 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
18-04-2026 00:20:05
PM - 2.5 90.52 (µg/m3)
PM - 10 278.7 (µg/m3)
SO2 20.73 (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
18-04-2026 00:20:02
PM - 2.5 112.5 (µg/m3)
PM - 10 302.82 (µg/m3)
SO2 28.28 (µg/m3)
CO 2.73 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
18-04-2026 00:20:13
PM - 2.5 26.54 (µg/m3)
PM - 10 108.41 (µg/m3)
SO2 3.53 (µg/m3)
CO 0.61 (mg/m3)
NO2 3.08 (µg/m3)
Northern Coalfields Limited
NCL_CETI
18-04-2026 00:18:17
PM - 2.5 61.36 (µg/m3)
PM - 10 105.8 (µg/m3)
SO2 21.66 (µg/m3)
CO 3.77 (mg/m3)
NO2 33.65 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 00:07:03
PM - 2.5 .1 (µg/m3)
PM - 10 0 (µg/m3)
SO2 5 (µg/m3)
CO 0.45 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 00:18:54
PM - 2.5 49.84 (µg/m3)
PM - 10 85.52 (µg/m3)
SO2 9.66 (µg/m3)
CO 0.31 (mg/m3)
NO2 3.21 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
18-04-2026 00:16:20
PM - 2.5 37.07 (µg/m3)
PM - 10 54.02 (µg/m3)
SO2 6.69 (µg/m3)
CO 0.41 (mg/m3)
NO2 16.37 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 00:20:03
PM - 2.5 56 (µg/m3)
PM - 10 98 (µg/m3)
SO2 10.3 (µg/m3)
CO 0.71 (mg/m3)
NO2 10.7 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 00:15:02
PM - 2.5 15.45 (µg/m3)
PM - 10 (µg/m3)
SO2 12.36 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 00:20:01
PM - 2.5 128.63 (µg/m3)
PM - 10 249.64 (µg/m3)
SO2 218.14 (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 Kanchan OC Coal Mine	60	107.52
18-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	60	61.19
18-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	119.85

1 - 3

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	208.66
18-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	141.88
18-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	317.51

1 - 3

CAAQMS Data

1 - 10 of 123

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 00:20	17-APR-2026 18:46	56.39	124.20	19.10	-	1.59	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	18-APR-2026 00:20	17-APR-2026 18:50	112.50	302.82	28.28	-	2.73	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 00:19	17-APR-2026 18:48	108.39	193.95	9.24	-	3.29	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 00:19	17-APR-2026 18:45	56.84	125.30	19.29	-	1.59	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	18-APR-2026 00:19	17-APR-2026 18:49	113.32	302.82	27.08	-	2.70	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 00:19	17-APR-2026 18:48	108.90	194.55	9.43	-	3.25	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 00:19	17-APR-2026 18:45	57.34	126.30	19.75	-	1.60	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	18-APR-2026 00:19	17-APR-2026 18:49	114.04	302.82	30.33	-	2.68	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 00:18	17-APR-2026 18:47	109.61	195.37	9.49	-	3.27	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	18-APR-2026 00:18	18-APR-2026 00:15	49.84	85.52	9.66	3.21	0.31	site_1931	Envea India Pvt Ltd

1 - 10 of 123

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