Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 02:01:31
PM - 2.5 71.49 (µg/m3)
PM - 10 209.28 (µg/m3)
SO2 5.92 (µg/m3)
CO 1.63 (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 02:00:58
PM - 2.5 5 (µg/m3)
PM - 10 9 (µg/m3)
SO2 4.4 (µg/m3)
CO 0.01 (mg/m3)
NO2 18.9 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 02:01:36
PM - 2.5 122.35 (µg/m3)
PM - 10 326.17 (µg/m3)
SO2 8.65 (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 02:01:37
PM - 2.5 7 (µg/m3)
PM - 10 8 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.34 (mg/m3)
NO2 20.4 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 02:01:34
PM - 2.5 47.39 (µg/m3)
PM - 10 75.31 (µg/m3)
SO2 21.36 (µg/m3)
CO 1.01 (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 02:01:37
PM - 2.5 63.01 (µg/m3)
PM - 10 211.5 (µg/m3)
SO2 1.34 (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 02:01:39
PM - 2.5 285.9 (µg/m3)
PM - 10 218.81 (µg/m3)
SO2 22.57 (µg/m3)
CO 2.86 (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 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 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 02:01:26
PM - 2.5 65 (µg/m3)
PM - 10 115 (µg/m3)
SO2 4.8 (µg/m3)
CO 2.34 (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 02:01:31
PM - 2.5 152.12 (µg/m3)
PM - 10 228.94 (µg/m3)
SO2 16.72 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 02:01:31
PM - 2.5 71.49 (µg/m3)
PM - 10 209.28 (µg/m3)
SO2 5.92 (µg/m3)
CO 1.63 (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 02:00:58
PM - 2.5 5 (µg/m3)
PM - 10 9 (µg/m3)
SO2 4.4 (µg/m3)
CO 0.01 (mg/m3)
NO2 18.9 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 02:01:36
PM - 2.5 122.35 (µg/m3)
PM - 10 326.17 (µg/m3)
SO2 8.65 (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 02:01:37
PM - 2.5 7 (µg/m3)
PM - 10 8 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.34 (mg/m3)
NO2 20.4 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 02:01:34
PM - 2.5 47.39 (µg/m3)
PM - 10 75.31 (µg/m3)
SO2 21.36 (µg/m3)
CO 1.01 (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 02:01:37
PM - 2.5 63.01 (µg/m3)
PM - 10 211.5 (µg/m3)
SO2 1.34 (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 02:01:39
PM - 2.5 285.9 (µg/m3)
PM - 10 218.81 (µg/m3)
SO2 22.57 (µg/m3)
CO 2.86 (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 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 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 02:01:26
PM - 2.5 65 (µg/m3)
PM - 10 115 (µg/m3)
SO2 4.8 (µg/m3)
CO 2.34 (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 02:01:31
PM - 2.5 152.12 (µg/m3)
PM - 10 228.94 (µg/m3)
SO2 16.72 (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	238.52

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	168.19
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	353.20

1 - 2

CAAQMS Data

1 - 10 of 521

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 02:01	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
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 02:01	11-APR-2026 20:27	47.55	76.04	21.77	-	1.00	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 02:00	11-APR-2026 20:30	288.83	218.67	21.20	-	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 02:00	11-APR-2026 20:26	47.61	76.82	21.58	-	0.97	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Bilaspur, CHHATTISGARHr	South Eastern Coalfields Limited - AQMS_H_Q	12-APR-2026 02:00	11-APR-2026 20:29	0.00	-	16.31	0.00	13.29	site_5592	Swan Environ
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 02:00	11-APR-2026 20:26	47.52	77.60	21.23	-	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 01:59	11-APR-2026 20:29	308.50	219.30	21.21	-	2.90	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 01:59	11-APR-2026 20:25	47.39	78.32	20.82	-	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 01:59	11-APR-2026 20:29	311.67	219.23	20.06	-	2.90	site_5664	Thermo Fisher Scientific India Private Limited

1 - 10 of 521

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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