Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 00:22:12
PM - 2.5 95.48 (µg/m3)
PM - 10 368.18 (µg/m3)
SO2 11.96 (µg/m3)
CO 2.37 (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 00:22:00
PM - 2.5 41 (µg/m3)
PM - 10 82 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.66 (mg/m3)
NO2 12.6 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 00:22:02
PM - 2.5 79.94 (µg/m3)
PM - 10 154.03 (µg/m3)
SO2 8.1 (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 00:21:49
PM - 2.5 26 (µg/m3)
PM - 10 52 (µg/m3)
SO2 10.1 (µg/m3)
CO 0.62 (mg/m3)
NO2 17.6 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 00:21:59
PM - 2.5 105.47 (µg/m3)
PM - 10 192.06 (µg/m3)
SO2 9.4 (µg/m3)
CO 3.27 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 00:22:07
PM - 2.5 54.82 (µg/m3)
PM - 10 120.7 (µg/m3)
SO2 19.19 (µg/m3)
CO 1.58 (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 00:22:05
PM - 2.5 88.06 (µg/m3)
PM - 10 269 (µg/m3)
SO2 20.53 (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 00:22:07
PM - 2.5 111.68 (µg/m3)
PM - 10 302.82 (µg/m3)
SO2 28.54 (µg/m3)
CO 2.71 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
18-04-2026 00:22:13
PM - 2.5 27.47 (µg/m3)
PM - 10 114.16 (µg/m3)
SO2 3.51 (µg/m3)
CO 0.54 (mg/m3)
NO2 2.13 (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 00:22:03
PM - 2.5 36.1 (µg/m3)
PM - 10 61.76 (µg/m3)
SO2 17.67 (µg/m3)
CO 0.35 (mg/m3)
NO2 6.46 (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 00:22:03
PM - 2.5 56 (µg/m3)
PM - 10 98 (µg/m3)
SO2 10.2 (µg/m3)
CO 0.70 (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 00:22:00
PM - 2.5 132.8 (µg/m3)
PM - 10 249.64 (µg/m3)
SO2 228.64 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 00:22:12
PM - 2.5 95.48 (µg/m3)
PM - 10 368.18 (µg/m3)
SO2 11.96 (µg/m3)
CO 2.37 (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 00:22:00
PM - 2.5 41 (µg/m3)
PM - 10 82 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.66 (mg/m3)
NO2 12.6 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 00:22:02
PM - 2.5 79.94 (µg/m3)
PM - 10 154.03 (µg/m3)
SO2 8.1 (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 00:21:49
PM - 2.5 26 (µg/m3)
PM - 10 52 (µg/m3)
SO2 10.1 (µg/m3)
CO 0.62 (mg/m3)
NO2 17.6 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 00:21:59
PM - 2.5 105.47 (µg/m3)
PM - 10 192.06 (µg/m3)
SO2 9.4 (µg/m3)
CO 3.27 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 00:22:07
PM - 2.5 54.82 (µg/m3)
PM - 10 120.7 (µg/m3)
SO2 19.19 (µg/m3)
CO 1.58 (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 00:22:05
PM - 2.5 88.06 (µg/m3)
PM - 10 269 (µg/m3)
SO2 20.53 (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 00:22:07
PM - 2.5 111.68 (µg/m3)
PM - 10 302.82 (µg/m3)
SO2 28.54 (µg/m3)
CO 2.71 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
18-04-2026 00:22:13
PM - 2.5 27.47 (µg/m3)
PM - 10 114.16 (µg/m3)
SO2 3.51 (µg/m3)
CO 0.54 (mg/m3)
NO2 2.13 (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 00:22:03
PM - 2.5 36.1 (µg/m3)
PM - 10 61.76 (µg/m3)
SO2 17.67 (µg/m3)
CO 0.35 (mg/m3)
NO2 6.46 (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 00:22:03
PM - 2.5 56 (µg/m3)
PM - 10 98 (µg/m3)
SO2 10.2 (µg/m3)
CO 0.70 (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 00:22:00
PM - 2.5 132.8 (µg/m3)
PM - 10 249.64 (µg/m3)
SO2 228.64 (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	107.44
18-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	60	60.67
18-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	119.05

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	207.10
18-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	140.10
18-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	316.04

1 - 3

CAAQMS Data

1 - 10 of 136

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 00:22	17-APR-2026 18:48	54.82	120.70	19.19	-	1.58	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 00:22	17-APR-2026 18:52	111.68	302.82	28.54	-	2.71	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Gevra , Chattisgarh	SECL GEVRA	18-APR-2026 00:22	18-APR-2026 00:15	36.10	61.76	17.67	6.46	0.35	site_	Envea India Pvt Ltd
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 00:21	17-APR-2026 18:50	105.47	192.06	9.40	-	3.27	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 00:21	17-APR-2026 18:47	55.20	121.40	19.22	-	1.57	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 00:21	17-APR-2026 18:51	111.78	302.82	26.69	-	2.72	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 00:21	17-APR-2026 18:50	106.30	192.61	9.32	-	3.22	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 00:21	17-APR-2026 18:47	55.61	122.30	19.30	-	1.58	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 00:21	17-APR-2026 18:51	111.92	302.82	27.89	-	2.69	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 00:20	17-APR-2026 18:49	107.11	192.98	9.31	-	3.27	site_3509	Thermo Fisher Scientific India Private Limited

1 - 10 of 136

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