Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 22:48:48
PM - 2.5 27.58 (µg/m3)
PM - 10 131.78 (µg/m3)
SO2 10.32 (µg/m3)
CO 5.99 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 22:45:23
PM - 2.5 23.83 (µg/m3)
PM - 10 54.56 (µg/m3)
SO2 31.46 (µg/m3)
CO 0.30 (mg/m3)
NO2 13.35 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
18-04-2026 22:48:33
PM - 2.5 30 (µg/m3)
PM - 10 61 (µg/m3)
SO2 4.6 (µg/m3)
CO 0.65 (mg/m3)
NO2 12.4 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 22:48:30
PM - 2.5 111.12 (µg/m3)
PM - 10 235.3 (µg/m3)
SO2 7.48 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
18-04-2026 22:45:32
PM - 2.5 2.32 (µg/m3)
PM - 10 (µg/m3)
SO2 5.38 (µg/m3)
CO ##### (mg/m3)
NO2 .77 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 22:48:49
PM - 2.5 27 (µg/m3)
PM - 10 110 (µg/m3)
SO2 10.1 (µg/m3)
CO 0.78 (mg/m3)
NO2 17.6 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
18-04-2026 22:48:57
PM - 2.5 31 (µg/m3)
PM - 10 48 (µg/m3)
SO2 5.2 (µg/m3)
CO 0.36 (mg/m3)
NO2 25.5 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 22:48:57
PM - 2.5 52.26 (µg/m3)
PM - 10 187.07 (µg/m3)
SO2 12.13 (µg/m3)
CO 3.66 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 22:48:34
PM - 2.5 42.01 (µg/m3)
PM - 10 141.7 (µg/m3)
SO2 19.33 (µg/m3)
CO 1.41 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S Ukni Opencast Mine
18-04-2026 22:48:44
PM - 2.5 91.79 (µg/m3)
PM - 10 379.42 (µg/m3)
SO2 19.38 (µg/m3)
CO 2.43 (mg/m3)
NO2 1.74 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 22:45:51
PM - 2.5 .01 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.17 (mg/m3)
NO2 295.08 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
18-04-2026 22:48:37
PM - 2.5 193.3 (µg/m3)
PM - 10 1000 (µg/m3)
SO2 36.53 (µg/m3)
CO 0.55 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
18-04-2026 22:48:40
PM - 2.5 196.11 (µg/m3)
PM - 10 532.51 (µg/m3)
SO2 31.45 (µg/m3)
CO 3.14 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
18-04-2026 22:48:17
PM - 2.5 67.25 (µg/m3)
PM - 10 115.94 (µg/m3)
SO2 28.79 (µg/m3)
CO 3.96 (mg/m3)
NO2 33.65 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
18-04-2026 22:45:48
PM - 2.5 76.9 (µg/m3)
PM - 10 140.2 (µg/m3)
SO2 .29 (µg/m3)
CO 1.32 (mg/m3)
NO2 1.76 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 22:37:04
PM - 2.5 52.3 (µg/m3)
PM - 10 109.13 (µg/m3)
SO2 19.66 (µg/m3)
CO 0.66 (mg/m3)
NO2 11.3 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 22:48:59
PM - 2.5 49.01 (µg/m3)
PM - 10 84.25 (µg/m3)
SO2 9.43 (µg/m3)
CO 0.27 (mg/m3)
NO2 2.91 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
18-04-2026 22:46:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 59.01 (µg/m3)
SO2 0 (µg/m3)
CO 0.51 (mg/m3)
NO2 16.9 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 22:48:59
PM - 2.5 38 (µg/m3)
PM - 10 66 (µg/m3)
SO2 10.1 (µg/m3)
CO 0.49 (mg/m3)
NO2 10.1 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 22:45:15
PM - 2.5 31.26 (µg/m3)
PM - 10 (µg/m3)
SO2 28.06 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 22:48:44
PM - 2.5 41.29 (µg/m3)
PM - 10 32.85 (µg/m3)
SO2 11.18 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 22:48:48
PM - 2.5 27.58 (µg/m3)
PM - 10 131.78 (µg/m3)
SO2 10.32 (µg/m3)
CO 5.99 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 22:45:23
PM - 2.5 23.83 (µg/m3)
PM - 10 54.56 (µg/m3)
SO2 31.46 (µg/m3)
CO 0.30 (mg/m3)
NO2 13.35 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
18-04-2026 22:48:33
PM - 2.5 30 (µg/m3)
PM - 10 61 (µg/m3)
SO2 4.6 (µg/m3)
CO 0.65 (mg/m3)
NO2 12.4 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 22:48:30
PM - 2.5 111.12 (µg/m3)
PM - 10 235.3 (µg/m3)
SO2 7.48 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
18-04-2026 22:45:32
PM - 2.5 2.32 (µg/m3)
PM - 10 (µg/m3)
SO2 5.38 (µg/m3)
CO ##### (mg/m3)
NO2 .77 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 22:48:49
PM - 2.5 27 (µg/m3)
PM - 10 110 (µg/m3)
SO2 10.1 (µg/m3)
CO 0.78 (mg/m3)
NO2 17.6 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
18-04-2026 22:48:57
PM - 2.5 31 (µg/m3)
PM - 10 48 (µg/m3)
SO2 5.2 (µg/m3)
CO 0.36 (mg/m3)
NO2 25.5 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 22:48:57
PM - 2.5 52.26 (µg/m3)
PM - 10 187.07 (µg/m3)
SO2 12.13 (µg/m3)
CO 3.66 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 22:48:34
PM - 2.5 42.01 (µg/m3)
PM - 10 141.7 (µg/m3)
SO2 19.33 (µg/m3)
CO 1.41 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S Ukni Opencast Mine
18-04-2026 22:48:44
PM - 2.5 91.79 (µg/m3)
PM - 10 379.42 (µg/m3)
SO2 19.38 (µg/m3)
CO 2.43 (mg/m3)
NO2 1.74 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 22:45:51
PM - 2.5 .01 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.17 (mg/m3)
NO2 295.08 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
18-04-2026 22:48:37
PM - 2.5 193.3 (µg/m3)
PM - 10 1000 (µg/m3)
SO2 36.53 (µg/m3)
CO 0.55 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
18-04-2026 22:48:40
PM - 2.5 196.11 (µg/m3)
PM - 10 532.51 (µg/m3)
SO2 31.45 (µg/m3)
CO 3.14 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
18-04-2026 22:48:17
PM - 2.5 67.25 (µg/m3)
PM - 10 115.94 (µg/m3)
SO2 28.79 (µg/m3)
CO 3.96 (mg/m3)
NO2 33.65 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
18-04-2026 22:45:48
PM - 2.5 76.9 (µg/m3)
PM - 10 140.2 (µg/m3)
SO2 .29 (µg/m3)
CO 1.32 (mg/m3)
NO2 1.76 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 22:37:04
PM - 2.5 52.3 (µg/m3)
PM - 10 109.13 (µg/m3)
SO2 19.66 (µg/m3)
CO 0.66 (mg/m3)
NO2 11.3 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 22:48:59
PM - 2.5 49.01 (µg/m3)
PM - 10 84.25 (µg/m3)
SO2 9.43 (µg/m3)
CO 0.27 (mg/m3)
NO2 2.91 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
18-04-2026 22:46:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 59.01 (µg/m3)
SO2 0 (µg/m3)
CO 0.51 (mg/m3)
NO2 16.9 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 22:48:59
PM - 2.5 38 (µg/m3)
PM - 10 66 (µg/m3)
SO2 10.1 (µg/m3)
CO 0.49 (mg/m3)
NO2 10.1 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 22:45:15
PM - 2.5 31.26 (µg/m3)
PM - 10 (µg/m3)
SO2 28.06 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 22:48:44
PM - 2.5 41.29 (µg/m3)
PM - 10 32.85 (µg/m3)
SO2 11.18 (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 Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	88.77
18-APR-2026	South Eastern Coalfields Limited	SECL_KUSMUNDA	60	188,410.81

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	176.55
18-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	122.08
18-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	232.00

1 - 3

CAAQMS Data

1 - 10 of 7,923

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	SECL_DIPKA	SECL_DIPKA	18-APR-2026 22:48	18-APR-2026 22:45	49.01	84.25	9.43	2.91	0.27	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 22:48	18-APR-2026 17:17	52.26	187.07	12.13	-	3.66	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 22:48	18-APR-2026 17:18	196.11	532.51	31.45	-	3.14	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 22:48	18-APR-2026 17:14	42.01	141.70	19.33	-	1.41	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 22:48	18-APR-2026 17:16	53.11	186.44	11.87	-	3.70	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 22:48	18-APR-2026 17:18	197.15	532.51	32.50	-	3.15	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 22:48	18-APR-2026 17:14	42.30	143.00	19.46	-	1.41	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 22:47	18-APR-2026 17:16	53.77	185.97	11.83	-	3.67	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 22:47	18-APR-2026 17:17	198.78	532.51	32.62	-	3.17	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 22:47	18-APR-2026 17:13	42.58	144.30	19.01	-	1.40	site_5720	Thermo Fisher Scientific India Private Limited

1 - 10 of 7,923

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