Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 00:49:00
PM - 2.5 37.94 (µg/m3)
PM - 10 173.44 (µg/m3)
SO2 7.11 (µg/m3)
CO 1.42 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 00:45:21
PM - 2.5 22.97 (µg/m3)
PM - 10 55.22 (µg/m3)
SO2 0 (µg/m3)
CO 0.20 (mg/m3)
NO2 10.89 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 00:48:57
PM - 2.5 11 (µg/m3)
PM - 10 22 (µg/m3)
SO2 4.4 (µg/m3)
CO 0.04 (mg/m3)
NO2 19.3 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 00:49:08
PM - 2.5 113.64 (µg/m3)
PM - 10 331.42 (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 00:45:16
PM - 2.5 2.26 (µg/m3)
PM - 10 (µg/m3)
SO2 5.41 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 00:49:06
PM - 2.5 3 (µg/m3)
PM - 10 5 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.32 (mg/m3)
NO2 20.4 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 00:49:04
PM - 2.5 55.82 (µg/m3)
PM - 10 258.7 (µg/m3)
SO2 20.15 (µg/m3)
CO 0.88 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 00:45:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.16 (mg/m3)
NO2 275.81 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 00:49:06
PM - 2.5 125.9 (µg/m3)
PM - 10 966.3 (µg/m3)
SO2 .51 (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 00:49:07
PM - 2.5 161.09 (µg/m3)
PM - 10 449.95 (µg/m3)
SO2 22.94 (µg/m3)
CO 3.03 (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 00:45:21
PM - 2.5 62.3 (µg/m3)
PM - 10 163.6 (µg/m3)
SO2 .58 (µg/m3)
CO 0.70 (mg/m3)
NO2 2.59 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 00:37:00
PM - 2.5 44.9 (µg/m3)
PM - 10 65.1 (µg/m3)
SO2 13.16 (µg/m3)
CO 0.29 (mg/m3)
NO2 5.83 (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 00:47:36
PM - 2.5 0 (µg/m3)
PM - 10 17.19 (µg/m3)
SO2 7.64 (µg/m3)
CO 0.42 (mg/m3)
NO2 12.98 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 00:49:04
PM - 2.5 43 (µg/m3)
PM - 10 75 (µg/m3)
SO2 4.9 (µg/m3)
CO 3.67 (mg/m3)
NO2 3.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 00:45:02
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO ##### (mg/m3)
NO2 48.4 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 00:48:58
PM - 2.5 124.3 (µg/m3)
PM - 10 129.04 (µg/m3)
SO2 19.34 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 00:49:00
PM - 2.5 37.94 (µg/m3)
PM - 10 173.44 (µg/m3)
SO2 7.11 (µg/m3)
CO 1.42 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 00:45:21
PM - 2.5 22.97 (µg/m3)
PM - 10 55.22 (µg/m3)
SO2 0 (µg/m3)
CO 0.20 (mg/m3)
NO2 10.89 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 00:48:57
PM - 2.5 11 (µg/m3)
PM - 10 22 (µg/m3)
SO2 4.4 (µg/m3)
CO 0.04 (mg/m3)
NO2 19.3 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 00:49:08
PM - 2.5 113.64 (µg/m3)
PM - 10 331.42 (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 00:45:16
PM - 2.5 2.26 (µg/m3)
PM - 10 (µg/m3)
SO2 5.41 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 00:49:06
PM - 2.5 3 (µg/m3)
PM - 10 5 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.32 (mg/m3)
NO2 20.4 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 00:49:04
PM - 2.5 55.82 (µg/m3)
PM - 10 258.7 (µg/m3)
SO2 20.15 (µg/m3)
CO 0.88 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 00:45:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.16 (mg/m3)
NO2 275.81 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 00:49:06
PM - 2.5 125.9 (µg/m3)
PM - 10 966.3 (µg/m3)
SO2 .51 (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 00:49:07
PM - 2.5 161.09 (µg/m3)
PM - 10 449.95 (µg/m3)
SO2 22.94 (µg/m3)
CO 3.03 (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 00:45:21
PM - 2.5 62.3 (µg/m3)
PM - 10 163.6 (µg/m3)
SO2 .58 (µg/m3)
CO 0.70 (mg/m3)
NO2 2.59 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 00:37:00
PM - 2.5 44.9 (µg/m3)
PM - 10 65.1 (µg/m3)
SO2 13.16 (µg/m3)
CO 0.29 (mg/m3)
NO2 5.83 (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 00:47:36
PM - 2.5 0 (µg/m3)
PM - 10 17.19 (µg/m3)
SO2 7.64 (µg/m3)
CO 0.42 (mg/m3)
NO2 12.98 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 00:49:04
PM - 2.5 43 (µg/m3)
PM - 10 75 (µg/m3)
SO2 4.9 (µg/m3)
CO 3.67 (mg/m3)
NO2 3.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 00:45:02
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO ##### (mg/m3)
NO2 48.4 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 00:48:58
PM - 2.5 124.3 (µg/m3)
PM - 10 129.04 (µg/m3)
SO2 19.34 (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	205.74

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	165.34
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	554.33

1 - 2

CAAQMS Data

1 - 10 of 214

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	12-APR-2026 00:49	12-APR-2026 00:45	50.99	87.29	9.97	3.62	0.36	site_1931	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 00:49	11-APR-2026 19:19	161.09	449.95	22.94	-	3.03	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 00:49	11-APR-2026 19:15	55.82	258.70	20.15	-	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 00:48	11-APR-2026 19:18	161.90	449.95	23.33	-	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 00:48	11-APR-2026 19:14	55.24	258.10	19.81	-	0.87	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 00:48	11-APR-2026 19:18	162.61	449.95	21.40	-	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 00:48	11-APR-2026 19:14	54.71	257.10	19.56	-	0.86	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL,Kusmunda	SECL_KUSMUNDA	12-APR-2026 00:47	12-APR-2026 00:45	0.00	17.19	7.64	12.98	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 00:47	11-APR-2026 19:17	163.76	449.95	20.69	-	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 00:47	11-APR-2026 19:13	54.17	255.80	19.53	-	0.85	site_5720	Thermo Fisher Scientific India Private Limited

1 - 10 of 214

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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