Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 02:03:31
PM - 2.5 71.32 (µg/m3)
PM - 10 209.59 (µg/m3)
SO2 6.69 (µg/m3)
CO 1.75 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 02:00:45
PM - 2.5 21.68 (µg/m3)
PM - 10 68.8 (µg/m3)
SO2 0 (µg/m3)
CO 0.16 (mg/m3)
NO2 14.99 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 02:03:13
PM - 2.5 7 (µg/m3)
PM - 10 13 (µg/m3)
SO2 4.4 (µg/m3)
CO 0.00 (mg/m3)
NO2 19 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 02:03:37
PM - 2.5 121.81 (µg/m3)
PM - 10 316.43 (µg/m3)
SO2 7.67 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 02:00:19
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 02:03:37
PM - 2.5 7 (µg/m3)
PM - 10 11 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.33 (mg/m3)
NO2 20.5 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 02:03:35
PM - 2.5 46.25 (µg/m3)
PM - 10 73.91 (µg/m3)
SO2 21.34 (µg/m3)
CO 1.11 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 02:00:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.54 (mg/m3)
NO2 10.53 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 02:03:34
PM - 2.5 62.93 (µg/m3)
PM - 10 206.6 (µg/m3)
SO2 .93 (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 02:03:38
PM - 2.5 276.02 (µg/m3)
PM - 10 218.54 (µg/m3)
SO2 21.89 (µg/m3)
CO 2.82 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 02:03:20
PM - 2.5 128.21 (µg/m3)
PM - 10 221.05 (µg/m3)
SO2 20.7 (µg/m3)
CO 3.87 (mg/m3)
NO2 19.29 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 02:00:24
PM - 2.5 45.8 (µg/m3)
PM - 10 139 (µg/m3)
SO2 .6 (µg/m3)
CO 0.62 (mg/m3)
NO2 2.64 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 01:52:00
PM - 2.5 57.7 (µg/m3)
PM - 10 98.55 (µg/m3)
SO2 12.38 (µg/m3)
CO 0.46 (mg/m3)
NO2 8.76 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 01:49:18
PM - 2.5 52.51 (µg/m3)
PM - 10 89.62 (µg/m3)
SO2 10.38 (µg/m3)
CO 0.43 (mg/m3)
NO2 4.17 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 02:02:34
PM - 2.5 0 (µg/m3)
PM - 10 22 (µg/m3)
SO2 7.05 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.36 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 02:03:27
PM - 2.5 65 (µg/m3)
PM - 10 115 (µg/m3)
SO2 4.8 (µg/m3)
CO 2.30 (mg/m3)
NO2 3.5 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 02:00:08
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 16.31 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 02:03:31
PM - 2.5 152.47 (µg/m3)
PM - 10 228.86 (µg/m3)
SO2 17.04 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 02:03:31
PM - 2.5 71.32 (µg/m3)
PM - 10 209.59 (µg/m3)
SO2 6.69 (µg/m3)
CO 1.75 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 02:00:45
PM - 2.5 21.68 (µg/m3)
PM - 10 68.8 (µg/m3)
SO2 0 (µg/m3)
CO 0.16 (mg/m3)
NO2 14.99 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 02:03:13
PM - 2.5 7 (µg/m3)
PM - 10 13 (µg/m3)
SO2 4.4 (µg/m3)
CO 0.00 (mg/m3)
NO2 19 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 02:03:37
PM - 2.5 121.81 (µg/m3)
PM - 10 316.43 (µg/m3)
SO2 7.67 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 02:00:19
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 02:03:37
PM - 2.5 7 (µg/m3)
PM - 10 11 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.33 (mg/m3)
NO2 20.5 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 02:03:35
PM - 2.5 46.25 (µg/m3)
PM - 10 73.91 (µg/m3)
SO2 21.34 (µg/m3)
CO 1.11 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 02:00:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.54 (mg/m3)
NO2 10.53 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 02:03:34
PM - 2.5 62.93 (µg/m3)
PM - 10 206.6 (µg/m3)
SO2 .93 (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 02:03:38
PM - 2.5 276.02 (µg/m3)
PM - 10 218.54 (µg/m3)
SO2 21.89 (µg/m3)
CO 2.82 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 02:03:20
PM - 2.5 128.21 (µg/m3)
PM - 10 221.05 (µg/m3)
SO2 20.7 (µg/m3)
CO 3.87 (mg/m3)
NO2 19.29 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 02:00:24
PM - 2.5 45.8 (µg/m3)
PM - 10 139 (µg/m3)
SO2 .6 (µg/m3)
CO 0.62 (mg/m3)
NO2 2.64 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 01:52:00
PM - 2.5 57.7 (µg/m3)
PM - 10 98.55 (µg/m3)
SO2 12.38 (µg/m3)
CO 0.46 (mg/m3)
NO2 8.76 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 01:49:18
PM - 2.5 52.51 (µg/m3)
PM - 10 89.62 (µg/m3)
SO2 10.38 (µg/m3)
CO 0.43 (mg/m3)
NO2 4.17 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 02:02:34
PM - 2.5 0 (µg/m3)
PM - 10 22 (µg/m3)
SO2 7.05 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.36 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 02:03:27
PM - 2.5 65 (µg/m3)
PM - 10 115 (µg/m3)
SO2 4.8 (µg/m3)
CO 2.30 (mg/m3)
NO2 3.5 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 02:00:08
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 16.31 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 02:03:31
PM - 2.5 152.47 (µg/m3)
PM - 10 228.86 (µg/m3)
SO2 17.04 (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	239.10

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	166.68
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	351.22

1 - 2

CAAQMS Data

1 - 10 of 529

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 02:03	11-APR-2026 20:33	276.02	218.54	21.89	-	2.82	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 02:03	11-APR-2026 20:29	46.25	73.91	21.34	-	1.11	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 02:03	11-APR-2026 20:29	46.62	74.09	21.33	-	1.07	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 02:03	11-APR-2026 20:32	279.34	218.71	21.80	-	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 02:02	11-APR-2026 20:28	47.18	74.75	21.14	-	1.03	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 02:02	11-APR-2026 20:28	46.95	74.39	20.91	-	1.04	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL,Kusmunda	SECL_KUSMUNDA	12-APR-2026 02:02	12-APR-2026 02:00	0.00	22.00	7.05	13.36	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 02:02	11-APR-2026 20:32	282.97	218.81	20.34	-	2.84	site_5664	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 02:01	11-APR-2026 20:31	285.90	218.81	22.57	-	2.86	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 02:01	11-APR-2026 20:27	47.39	75.31	21.36	-	1.01	site_5720	Thermo Fisher Scientific India Private Limited

1 - 10 of 529

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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