Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 06:21:48
PM - 2.5 49.36 (µg/m3)
PM - 10 178.62 (µg/m3)
SO2 9.82 (µg/m3)
CO 4.58 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 06:15:14
PM - 2.5 28.94 (µg/m3)
PM - 10 71.84 (µg/m3)
SO2 13.73 (µg/m3)
CO 0.44 (mg/m3)
NO2 5.96 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
18-04-2026 06:22:05
PM - 2.5 32 (µg/m3)
PM - 10 64 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.30 (mg/m3)
NO2 15.2 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 06:22:10
PM - 2.5 68.32 (µg/m3)
PM - 10 120.29 (µg/m3)
SO2 7.4 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
18-04-2026 06:15:21
PM - 2.5 2.23 (µg/m3)
PM - 10 (µg/m3)
SO2 5.29 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 06:21:54
PM - 2.5 12 (µg/m3)
PM - 10 23 (µg/m3)
SO2 9.8 (µg/m3)
CO 0.56 (mg/m3)
NO2 17.8 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 06:22:06
PM - 2.5 186.89 (µg/m3)
PM - 10 270.76 (µg/m3)
SO2 27.36 (µg/m3)
CO 3.18 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 06:22:14
PM - 2.5 47.79 (µg/m3)
PM - 10 110 (µg/m3)
SO2 19.1 (µg/m3)
CO 1.66 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 06:15:50
PM - 2.5 .43 (µg/m3)
PM - 10 (µg/m3)
SO2 21.77 (µg/m3)
CO ##### (mg/m3)
NO2 71.77 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
18-04-2026 06:22:05
PM - 2.5 70.41 (µg/m3)
PM - 10 199.7 (µg/m3)
SO2 21.95 (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 06:21:50
PM - 2.5 98.22 (µg/m3)
PM - 10 310.7 (µg/m3)
SO2 25.6 (µg/m3)
CO 2.20 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
18-04-2026 06:21:53
PM - 2.5 40.57 (µg/m3)
PM - 10 41.99 (µg/m3)
SO2 6.04 (µg/m3)
CO 0.27 (mg/m3)
NO2 1.71 (µg/m3)
Northern Coalfields Limited
NCL_CETI
18-04-2026 06:18:16
PM - 2.5 155.34 (µg/m3)
PM - 10 267.84 (µg/m3)
SO2 21.4 (µg/m3)
CO 4.60 (mg/m3)
NO2 33.62 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 06:22:03
PM - 2.5 44.3 (µg/m3)
PM - 10 85.81 (µg/m3)
SO2 18.68 (µg/m3)
CO 0.50 (mg/m3)
NO2 8.92 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 06:18:55
PM - 2.5 52.88 (µg/m3)
PM - 10 90.2 (µg/m3)
SO2 10.48 (µg/m3)
CO 0.44 (mg/m3)
NO2 4.31 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
18-04-2026 06:16:20
PM - 2.5 37.07 (µg/m3)
PM - 10 59.58 (µg/m3)
SO2 7.53 (µg/m3)
CO 0.46 (mg/m3)
NO2 16.78 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 06:22:01
PM - 2.5 25 (µg/m3)
PM - 10 44 (µg/m3)
SO2 10.4 (µg/m3)
CO 0.30 (mg/m3)
NO2 9.1 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 06:15:46
PM - 2.5 20.43 (µg/m3)
PM - 10 (µg/m3)
SO2 17.01 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 06:22:02
PM - 2.5 38.23 (µg/m3)
PM - 10 49.82 (µg/m3)
SO2 12.05 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 06:21:48
PM - 2.5 49.36 (µg/m3)
PM - 10 178.62 (µg/m3)
SO2 9.82 (µg/m3)
CO 4.58 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 06:15:14
PM - 2.5 28.94 (µg/m3)
PM - 10 71.84 (µg/m3)
SO2 13.73 (µg/m3)
CO 0.44 (mg/m3)
NO2 5.96 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
18-04-2026 06:22:05
PM - 2.5 32 (µg/m3)
PM - 10 64 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.30 (mg/m3)
NO2 15.2 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 06:22:10
PM - 2.5 68.32 (µg/m3)
PM - 10 120.29 (µg/m3)
SO2 7.4 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
18-04-2026 06:15:21
PM - 2.5 2.23 (µg/m3)
PM - 10 (µg/m3)
SO2 5.29 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 06:21:54
PM - 2.5 12 (µg/m3)
PM - 10 23 (µg/m3)
SO2 9.8 (µg/m3)
CO 0.56 (mg/m3)
NO2 17.8 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 06:22:06
PM - 2.5 186.89 (µg/m3)
PM - 10 270.76 (µg/m3)
SO2 27.36 (µg/m3)
CO 3.18 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 06:22:14
PM - 2.5 47.79 (µg/m3)
PM - 10 110 (µg/m3)
SO2 19.1 (µg/m3)
CO 1.66 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 06:15:50
PM - 2.5 .43 (µg/m3)
PM - 10 (µg/m3)
SO2 21.77 (µg/m3)
CO ##### (mg/m3)
NO2 71.77 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
18-04-2026 06:22:05
PM - 2.5 70.41 (µg/m3)
PM - 10 199.7 (µg/m3)
SO2 21.95 (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 06:21:50
PM - 2.5 98.22 (µg/m3)
PM - 10 310.7 (µg/m3)
SO2 25.6 (µg/m3)
CO 2.20 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
18-04-2026 06:21:53
PM - 2.5 40.57 (µg/m3)
PM - 10 41.99 (µg/m3)
SO2 6.04 (µg/m3)
CO 0.27 (mg/m3)
NO2 1.71 (µg/m3)
Northern Coalfields Limited
NCL_CETI
18-04-2026 06:18:16
PM - 2.5 155.34 (µg/m3)
PM - 10 267.84 (µg/m3)
SO2 21.4 (µg/m3)
CO 4.60 (mg/m3)
NO2 33.62 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 06:22:03
PM - 2.5 44.3 (µg/m3)
PM - 10 85.81 (µg/m3)
SO2 18.68 (µg/m3)
CO 0.50 (mg/m3)
NO2 8.92 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 06:18:55
PM - 2.5 52.88 (µg/m3)
PM - 10 90.2 (µg/m3)
SO2 10.48 (µg/m3)
CO 0.44 (mg/m3)
NO2 4.31 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
18-04-2026 06:16:20
PM - 2.5 37.07 (µg/m3)
PM - 10 59.58 (µg/m3)
SO2 7.53 (µg/m3)
CO 0.46 (mg/m3)
NO2 16.78 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 06:22:01
PM - 2.5 25 (µg/m3)
PM - 10 44 (µg/m3)
SO2 10.4 (µg/m3)
CO 0.30 (mg/m3)
NO2 9.1 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 06:15:46
PM - 2.5 20.43 (µg/m3)
PM - 10 (µg/m3)
SO2 17.01 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 06:22:02
PM - 2.5 38.23 (µg/m3)
PM - 10 49.82 (µg/m3)
SO2 12.05 (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)
18-APR-2026	South Eastern Coalfields Limited	M/S Kanchan OC Coal Mine	60	87.36
18-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	68.70

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	142.75
18-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	121.44
18-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	183.20

1 - 3

CAAQMS Data

1 - 10 of 2,383

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 06:22	18-APR-2026 00:48	47.79	110.00	19.10	-	1.66	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 06:22	18-APR-2026 00:50	186.89	270.76	27.36	-	3.18	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Gevra , Chattisgarh	SECL GEVRA	18-APR-2026 06:22	18-APR-2026 06:15	44.30	85.81	18.68	8.92	0.50	site_	Envea India Pvt Ltd
South Eastern Coalfields Limited	Gevra , Chattisgarh	SECL GEVRA	18-APR-2026 06:22	18-APR-2026 06:15	44.30	85.81	18.68	8.92	0.50	site_	Envea India Pvt Ltd
South Eastern Coalfields Limited	Gevra , Chattisgarh	SECL GEVRA	18-APR-2026 06:22	18-APR-2026 06:15	44.30	85.81	18.68	8.92	0.50	site_	Envea India Pvt Ltd
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	18-APR-2026 06:21	18-APR-2026 00:51	98.22	310.70	25.60	-	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 06:21	18-APR-2026 00:48	47.88	109.40	18.62	-	1.66	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 06:21	18-APR-2026 00:50	186.97	271.15	27.57	-	3.12	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 06:21	18-APR-2026 00:51	98.78	310.60	25.93	-	2.22	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 06:21	18-APR-2026 00:47	47.83	108.80	18.47	-	1.66	site_5720	Thermo Fisher Scientific India Private Limited

1 - 10 of 2,383

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