Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 01:03:00
PM - 2.5 49.35 (µg/m3)
PM - 10 184.38 (µg/m3)
SO2 3.82 (µg/m3)
CO 1.59 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 01:00:14
PM - 2.5 20.67 (µg/m3)
PM - 10 55.22 (µg/m3)
SO2 0 (µg/m3)
CO 0.19 (mg/m3)
NO2 13.56 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 01:02:27
PM - 2.5 5 (µg/m3)
PM - 10 22 (µg/m3)
SO2 4.4 (µg/m3)
CO 0.01 (mg/m3)
NO2 19.4 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 01:02:55
PM - 2.5 114.26 (µg/m3)
PM - 10 388.77 (µg/m3)
SO2 16.21 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 01:00:05
PM - 2.5 2.26 (µg/m3)
PM - 10 (µg/m3)
SO2 5.42 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 01:02:37
PM - 2.5 5 (µg/m3)
PM - 10 8 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.33 (mg/m3)
NO2 20.2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 01:03:04
PM - 2.5 66.17 (µg/m3)
PM - 10 242.6 (µg/m3)
SO2 21.71 (µg/m3)
CO 0.95 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 01:00:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.39 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 01:03:04
PM - 2.5 120.2 (µg/m3)
PM - 10 739.8 (µg/m3)
SO2 .67 (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 01:03:02
PM - 2.5 145.38 (µg/m3)
PM - 10 371.49 (µg/m3)
SO2 21.3 (µg/m3)
CO 2.94 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 00:48:12
PM - 2.5 70.64 (µg/m3)
PM - 10 121.79 (µg/m3)
SO2 21.01 (µg/m3)
CO 3.46 (mg/m3)
NO2 19.32 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 01:00:10
PM - 2.5 62.3 (µg/m3)
PM - 10 163.6 (µg/m3)
SO2 .59 (µg/m3)
CO 0.69 (mg/m3)
NO2 2.62 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 00:52:00
PM - 2.5 43.4 (µg/m3)
PM - 10 61.22 (µg/m3)
SO2 12.32 (µg/m3)
CO 0.27 (mg/m3)
NO2 5.49 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 00:49:17
PM - 2.5 50.99 (µg/m3)
PM - 10 87.29 (µg/m3)
SO2 9.97 (µg/m3)
CO 0.36 (mg/m3)
NO2 3.62 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 01:02:31
PM - 2.5 0 (µg/m3)
PM - 10 20.94 (µg/m3)
SO2 7.07 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.39 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 01:02:57
PM - 2.5 69 (µg/m3)
PM - 10 124 (µg/m3)
SO2 4.8 (µg/m3)
CO 3.58 (mg/m3)
NO2 3.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 01:00:51
PM - 2.5 .13 (µg/m3)
PM - 10 (µg/m3)
SO2 270 (µg/m3)
CO ##### (mg/m3)
NO2 47.37 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 01:02:58
PM - 2.5 128.59 (µg/m3)
PM - 10 146.29 (µg/m3)
SO2 24.64 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 01:03:00
PM - 2.5 49.35 (µg/m3)
PM - 10 184.38 (µg/m3)
SO2 3.82 (µg/m3)
CO 1.59 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 01:00:14
PM - 2.5 20.67 (µg/m3)
PM - 10 55.22 (µg/m3)
SO2 0 (µg/m3)
CO 0.19 (mg/m3)
NO2 13.56 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 01:02:27
PM - 2.5 5 (µg/m3)
PM - 10 22 (µg/m3)
SO2 4.4 (µg/m3)
CO 0.01 (mg/m3)
NO2 19.4 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 01:02:55
PM - 2.5 114.26 (µg/m3)
PM - 10 388.77 (µg/m3)
SO2 16.21 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 01:00:05
PM - 2.5 2.26 (µg/m3)
PM - 10 (µg/m3)
SO2 5.42 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 01:02:37
PM - 2.5 5 (µg/m3)
PM - 10 8 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.33 (mg/m3)
NO2 20.2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 01:03:04
PM - 2.5 66.17 (µg/m3)
PM - 10 242.6 (µg/m3)
SO2 21.71 (µg/m3)
CO 0.95 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 01:00:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.39 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 01:03:04
PM - 2.5 120.2 (µg/m3)
PM - 10 739.8 (µg/m3)
SO2 .67 (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 01:03:02
PM - 2.5 145.38 (µg/m3)
PM - 10 371.49 (µg/m3)
SO2 21.3 (µg/m3)
CO 2.94 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 00:48:12
PM - 2.5 70.64 (µg/m3)
PM - 10 121.79 (µg/m3)
SO2 21.01 (µg/m3)
CO 3.46 (mg/m3)
NO2 19.32 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 01:00:10
PM - 2.5 62.3 (µg/m3)
PM - 10 163.6 (µg/m3)
SO2 .59 (µg/m3)
CO 0.69 (mg/m3)
NO2 2.62 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 00:52:00
PM - 2.5 43.4 (µg/m3)
PM - 10 61.22 (µg/m3)
SO2 12.32 (µg/m3)
CO 0.27 (mg/m3)
NO2 5.49 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 00:49:17
PM - 2.5 50.99 (µg/m3)
PM - 10 87.29 (µg/m3)
SO2 9.97 (µg/m3)
CO 0.36 (mg/m3)
NO2 3.62 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 01:02:31
PM - 2.5 0 (µg/m3)
PM - 10 20.94 (µg/m3)
SO2 7.07 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.39 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 01:02:57
PM - 2.5 69 (µg/m3)
PM - 10 124 (µg/m3)
SO2 4.8 (µg/m3)
CO 3.58 (mg/m3)
NO2 3.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 01:00:51
PM - 2.5 .13 (µg/m3)
PM - 10 (µg/m3)
SO2 270 (µg/m3)
CO ##### (mg/m3)
NO2 47.37 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 01:02:58
PM - 2.5 128.59 (µg/m3)
PM - 10 146.29 (µg/m3)
SO2 24.64 (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)
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	194.43

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	185.32
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	525.67

1 - 2

CAAQMS Data

1 - 10 of 271

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	12-APR-2026 01:03	11-APR-2026 19:29	66.17	242.60	21.71	-	0.95	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 01:03	11-APR-2026 19:33	145.38	371.49	21.30	-	2.94	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 01:02	11-APR-2026 19:28	66.08	244.20	21.41	-	0.94	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL,Kusmunda	SECL_KUSMUNDA	12-APR-2026 01:02	12-APR-2026 01:00	0.00	20.94	7.07	13.39	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 01:02	11-APR-2026 19:32	145.71	373.89	20.46	-	2.99	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 01:02	11-APR-2026 19:28	66.06	245.60	21.08	-	0.94	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 01:01	11-APR-2026 19:31	146.22	376.79	22.69	-	3.02	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 01:01	11-APR-2026 19:27	66.14	247.00	20.78	-	0.93	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 01:01	11-APR-2026 19:31	146.70	379.42	21.45	-	3.01	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 01:01	11-APR-2026 19:27	66.16	248.30	20.46	-	0.93	site_5720	Thermo Fisher Scientific India Private Limited

1 - 10 of 271

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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