Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 01:06:32
PM - 2.5 52.32 (µg/m3)
PM - 10 187.41 (µg/m3)
SO2 5.35 (µg/m3)
CO 1.52 (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 01:06:12
PM - 2.5 5 (µg/m3)
PM - 10 9 (µg/m3)
SO2 4.4 (µg/m3)
CO 0.02 (mg/m3)
NO2 19.5 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 01:06:23
PM - 2.5 116.03 (µg/m3)
PM - 10 396.07 (µg/m3)
SO2 14.74 (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 01:06:06
PM - 2.5 5 (µg/m3)
PM - 10 8 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.33 (mg/m3)
NO2 20.3 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 01:06:34
PM - 2.5 67.63 (µg/m3)
PM - 10 231.3 (µg/m3)
SO2 20.52 (µg/m3)
CO 0.97 (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 01:06:04
PM - 2.5 112.9 (µg/m3)
PM - 10 688.8 (µg/m3)
SO2 .74 (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 01:06:11
PM - 2.5 142.61 (µg/m3)
PM - 10 355.61 (µg/m3)
SO2 21.62 (µg/m3)
CO 2.94 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 01:03:13
PM - 2.5 109.54 (µg/m3)
PM - 10 188.87 (µg/m3)
SO2 21.34 (µg/m3)
CO 3.45 (mg/m3)
NO2 19.46 (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 01:04:18
PM - 2.5 50.88 (µg/m3)
PM - 10 87.12 (µg/m3)
SO2 9.94 (µg/m3)
CO 0.35 (mg/m3)
NO2 3.58 (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 01:06:26
PM - 2.5 69 (µg/m3)
PM - 10 124 (µg/m3)
SO2 4.9 (µg/m3)
CO 3.50 (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 01:06:30
PM - 2.5 125.88 (µg/m3)
PM - 10 149.7 (µg/m3)
SO2 24.67 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 01:06:32
PM - 2.5 52.32 (µg/m3)
PM - 10 187.41 (µg/m3)
SO2 5.35 (µg/m3)
CO 1.52 (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 01:06:12
PM - 2.5 5 (µg/m3)
PM - 10 9 (µg/m3)
SO2 4.4 (µg/m3)
CO 0.02 (mg/m3)
NO2 19.5 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 01:06:23
PM - 2.5 116.03 (µg/m3)
PM - 10 396.07 (µg/m3)
SO2 14.74 (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 01:06:06
PM - 2.5 5 (µg/m3)
PM - 10 8 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.33 (mg/m3)
NO2 20.3 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 01:06:34
PM - 2.5 67.63 (µg/m3)
PM - 10 231.3 (µg/m3)
SO2 20.52 (µg/m3)
CO 0.97 (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 01:06:04
PM - 2.5 112.9 (µg/m3)
PM - 10 688.8 (µg/m3)
SO2 .74 (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 01:06:11
PM - 2.5 142.61 (µg/m3)
PM - 10 355.61 (µg/m3)
SO2 21.62 (µg/m3)
CO 2.94 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 01:03:13
PM - 2.5 109.54 (µg/m3)
PM - 10 188.87 (µg/m3)
SO2 21.34 (µg/m3)
CO 3.45 (mg/m3)
NO2 19.46 (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 01:04:18
PM - 2.5 50.88 (µg/m3)
PM - 10 87.12 (µg/m3)
SO2 9.94 (µg/m3)
CO 0.35 (mg/m3)
NO2 3.58 (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 01:06:26
PM - 2.5 69 (µg/m3)
PM - 10 124 (µg/m3)
SO2 4.9 (µg/m3)
CO 3.50 (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 01:06:30
PM - 2.5 125.88 (µg/m3)
PM - 10 149.7 (µg/m3)
SO2 24.67 (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	192.04

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	187.97
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	517.95

1 - 2

CAAQMS Data

1 - 10 of 285

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 01:06	11-APR-2026 19:32	67.63	231.30	20.52	-	0.97	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 01:06	11-APR-2026 19:36	142.61	355.61	21.62	-	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 01:06	11-APR-2026 19:32	67.37	232.80	20.90	-	0.97	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 01:05	11-APR-2026 19:35	143.01	358.16	21.21	-	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 01:05	11-APR-2026 19:31	66.82	236.00	21.06	-	0.97	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 01:05	11-APR-2026 19:31	67.09	234.40	20.96	-	0.97	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 01:05	11-APR-2026 19:35	143.71	360.97	20.06	-	3.00	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 01:04	11-APR-2026 19:34	144.14	363.47	21.54	-	2.97	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 01:04	11-APR-2026 19:30	66.61	237.60	20.84	-	0.96	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	12-APR-2026 01:04	12-APR-2026 01:00	50.88	87.12	9.94	3.58	0.35	site_1931	Envea India Pvt Ltd

1 - 10 of 285

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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