Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 01:47:59
PM - 2.5 77.51 (µg/m3)
PM - 10 218.16 (µg/m3)
SO2 5.22 (µg/m3)
CO 1.65 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 01:45:52
PM - 2.5 20.67 (µg/m3)
PM - 10 68.8 (µg/m3)
SO2 0 (µg/m3)
CO 0.18 (mg/m3)
NO2 15.4 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 01:48:13
PM - 2.5 5 (µg/m3)
PM - 10 9 (µg/m3)
SO2 4.4 (µg/m3)
CO 0.01 (mg/m3)
NO2 19.3 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 01:48:08
PM - 2.5 125.79 (µg/m3)
PM - 10 356.75 (µg/m3)
SO2 10.62 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 01:45:31
PM - 2.5 2.26 (µg/m3)
PM - 10 (µg/m3)
SO2 5.45 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 01:48:08
PM - 2.5 5 (µg/m3)
PM - 10 8 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.33 (mg/m3)
NO2 20.6 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 01:48:04
PM - 2.5 47.15 (µg/m3)
PM - 10 100.5 (µg/m3)
SO2 19.64 (µg/m3)
CO 0.88 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 01:45:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.34 (mg/m3)
NO2 9.34 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 01:48:06
PM - 2.5 66.99 (µg/m3)
PM - 10 261.7 (µg/m3)
SO2 .01 (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
12-04-2026 01:48:11
PM - 2.5 388.99 (µg/m3)
PM - 10 213.17 (µg/m3)
SO2 18.87 (µg/m3)
CO 2.83 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 01:48:13
PM - 2.5 109.54 (µg/m3)
PM - 10 188.87 (µg/m3)
SO2 21.67 (µg/m3)
CO 3.24 (mg/m3)
NO2 19.33 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 01:45:35
PM - 2.5 45.8 (µg/m3)
PM - 10 139 (µg/m3)
SO2 .61 (µg/m3)
CO 0.64 (mg/m3)
NO2 2.67 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 01:37:01
PM - 2.5 56.1 (µg/m3)
PM - 10 94.41 (µg/m3)
SO2 12.71 (µg/m3)
CO 0.43 (mg/m3)
NO2 8.4 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 01:34:18
PM - 2.5 53.21 (µg/m3)
PM - 10 90.7 (µg/m3)
SO2 10.57 (µg/m3)
CO 0.46 (mg/m3)
NO2 4.42 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 01:47:31
PM - 2.5 0 (µg/m3)
PM - 10 27.8 (µg/m3)
SO2 6.84 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.24 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 01:47:57
PM - 2.5 69 (µg/m3)
PM - 10 124 (µg/m3)
SO2 4.9 (µg/m3)
CO 2.58 (mg/m3)
NO2 3.5 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 01:45:19
PM - 2.5 16.5 (µg/m3)
PM - 10 (µg/m3)
SO2 13.33 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 01:47:59
PM - 2.5 159.76 (µg/m3)
PM - 10 215.64 (µg/m3)
SO2 24.31 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 01:47:59
PM - 2.5 77.51 (µg/m3)
PM - 10 218.16 (µg/m3)
SO2 5.22 (µg/m3)
CO 1.65 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 01:45:52
PM - 2.5 20.67 (µg/m3)
PM - 10 68.8 (µg/m3)
SO2 0 (µg/m3)
CO 0.18 (mg/m3)
NO2 15.4 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 01:48:13
PM - 2.5 5 (µg/m3)
PM - 10 9 (µg/m3)
SO2 4.4 (µg/m3)
CO 0.01 (mg/m3)
NO2 19.3 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 01:48:08
PM - 2.5 125.79 (µg/m3)
PM - 10 356.75 (µg/m3)
SO2 10.62 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 01:45:31
PM - 2.5 2.26 (µg/m3)
PM - 10 (µg/m3)
SO2 5.45 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 01:48:08
PM - 2.5 5 (µg/m3)
PM - 10 8 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.33 (mg/m3)
NO2 20.6 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 01:48:04
PM - 2.5 47.15 (µg/m3)
PM - 10 100.5 (µg/m3)
SO2 19.64 (µg/m3)
CO 0.88 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 01:45:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.34 (mg/m3)
NO2 9.34 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 01:48:06
PM - 2.5 66.99 (µg/m3)
PM - 10 261.7 (µg/m3)
SO2 .01 (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
12-04-2026 01:48:11
PM - 2.5 388.99 (µg/m3)
PM - 10 213.17 (µg/m3)
SO2 18.87 (µg/m3)
CO 2.83 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 01:48:13
PM - 2.5 109.54 (µg/m3)
PM - 10 188.87 (µg/m3)
SO2 21.67 (µg/m3)
CO 3.24 (mg/m3)
NO2 19.33 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 01:45:35
PM - 2.5 45.8 (µg/m3)
PM - 10 139 (µg/m3)
SO2 .61 (µg/m3)
CO 0.64 (mg/m3)
NO2 2.67 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 01:37:01
PM - 2.5 56.1 (µg/m3)
PM - 10 94.41 (µg/m3)
SO2 12.71 (µg/m3)
CO 0.43 (mg/m3)
NO2 8.4 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 01:34:18
PM - 2.5 53.21 (µg/m3)
PM - 10 90.7 (µg/m3)
SO2 10.57 (µg/m3)
CO 0.46 (mg/m3)
NO2 4.42 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 01:47:31
PM - 2.5 0 (µg/m3)
PM - 10 27.8 (µg/m3)
SO2 6.84 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.24 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 01:47:57
PM - 2.5 69 (µg/m3)
PM - 10 124 (µg/m3)
SO2 4.9 (µg/m3)
CO 2.58 (mg/m3)
NO2 3.5 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 01:45:19
PM - 2.5 16.5 (µg/m3)
PM - 10 (µg/m3)
SO2 13.33 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 01:47:59
PM - 2.5 159.76 (µg/m3)
PM - 10 215.64 (µg/m3)
SO2 24.31 (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)
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	224.98

1 - 1

Record Date	Company name	Mine name	Permissible Limit (µg/m3)	Average PM - 10 (µg/m3)
12-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	178.44
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	371.73

1 - 2

CAAQMS Data

1 - 10 of 463

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	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	12-APR-2026 01:48	11-APR-2026 20:18	388.99	213.17	18.87	-	2.83	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 01:48	11-APR-2026 20:14	47.15	100.50	19.64	-	0.88	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	12-APR-2026 01:47	11-APR-2026 20:17	391.93	213.15	21.91	-	2.84	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 01:47	11-APR-2026 20:13	47.09	101.80	19.55	-	0.89	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL,Kusmunda	SECL_KUSMUNDA	12-APR-2026 01:47	12-APR-2026 01:45	0.00	27.80	6.84	13.24	0.42	site_1963	Envea India Pvt Ltd
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	12-APR-2026 01:47	11-APR-2026 20:17	395.17	213.24	23.60	-	2.84	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 01:47	11-APR-2026 20:13	47.09	103.10	19.72	-	0.88	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	12-APR-2026 01:46	11-APR-2026 20:16	397.83	213.50	21.11	-	2.81	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 01:46	11-APR-2026 20:12	47.07	104.40	19.53	-	0.88	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	12-APR-2026 01:46	11-APR-2026 20:16	400.68	213.72	21.70	-	2.84	site_5664	Thermo Fisher Scientific India Private Limited

1 - 10 of 463

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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