Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 00:20:32
PM - 2.5 34.84 (µg/m3)
PM - 10 228.33 (µg/m3)
SO2 6.13 (µg/m3)
CO 1.60 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 00:15:35
PM - 2.5 22.97 (µg/m3)
PM - 10 55.22 (µg/m3)
SO2 0 (µg/m3)
CO 0.18 (mg/m3)
NO2 7.39 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 00:20:26
PM - 2.5 11 (µg/m3)
PM - 10 21 (µg/m3)
SO2 4.4 (µg/m3)
CO 0.04 (mg/m3)
NO2 19.4 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 00:20:55
PM - 2.5 128.07 (µg/m3)
PM - 10 281.53 (µg/m3)
SO2 25.62 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 00:15:38
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 00:20:35
PM - 2.5 3 (µg/m3)
PM - 10 5 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.32 (mg/m3)
NO2 20.1 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 00:19:33
PM - 2.5 46.3 (µg/m3)
PM - 10 139 (µg/m3)
SO2 20.15 (µg/m3)
CO 0.82 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 00:15:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 00:20:38
PM - 2.5 110.1 (µg/m3)
PM - 10 429 (µg/m3)
SO2 .97 (µg/m3)
CO 0.54 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
12-04-2026 00:20:57
PM - 2.5 207.94 (µg/m3)
PM - 10 576.61 (µg/m3)
SO2 22.94 (µg/m3)
CO 3.11 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 00:18:12
PM - 2.5 70.64 (µg/m3)
PM - 10 121.79 (µg/m3)
SO2 18.78 (µg/m3)
CO 3.42 (mg/m3)
NO2 19.19 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 00:15:44
PM - 2.5 65.3 (µg/m3)
PM - 10 163.6 (µg/m3)
SO2 .57 (µg/m3)
CO 0.56 (mg/m3)
NO2 2.58 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 00:07:00
PM - 2.5 5.1 (µg/m3)
PM - 10 0 (µg/m3)
SO2 5 (µg/m3)
CO 0.30 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 00:19:17
PM - 2.5 57.86 (µg/m3)
PM - 10 97.83 (µg/m3)
SO2 11.82 (µg/m3)
CO 0.67 (mg/m3)
NO2 6.09 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 00:17:36
PM - 2.5 0 (µg/m3)
PM - 10 20.11 (µg/m3)
SO2 7.18 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.63 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 00:20:34
PM - 2.5 43 (µg/m3)
PM - 10 75 (µg/m3)
SO2 5.1 (µg/m3)
CO 2.88 (mg/m3)
NO2 3.5 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 00:15:24
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO ##### (mg/m3)
NO2 43.36 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 00:20:57
PM - 2.5 117.33 (µg/m3)
PM - 10 116.12 (µg/m3)
SO2 14.56 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 00:20:32
PM - 2.5 34.84 (µg/m3)
PM - 10 228.33 (µg/m3)
SO2 6.13 (µg/m3)
CO 1.60 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 00:15:35
PM - 2.5 22.97 (µg/m3)
PM - 10 55.22 (µg/m3)
SO2 0 (µg/m3)
CO 0.18 (mg/m3)
NO2 7.39 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 00:20:26
PM - 2.5 11 (µg/m3)
PM - 10 21 (µg/m3)
SO2 4.4 (µg/m3)
CO 0.04 (mg/m3)
NO2 19.4 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 00:20:55
PM - 2.5 128.07 (µg/m3)
PM - 10 281.53 (µg/m3)
SO2 25.62 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 00:15:38
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 00:20:35
PM - 2.5 3 (µg/m3)
PM - 10 5 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.32 (mg/m3)
NO2 20.1 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 00:19:33
PM - 2.5 46.3 (µg/m3)
PM - 10 139 (µg/m3)
SO2 20.15 (µg/m3)
CO 0.82 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 00:15:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 00:20:38
PM - 2.5 110.1 (µg/m3)
PM - 10 429 (µg/m3)
SO2 .97 (µg/m3)
CO 0.54 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
12-04-2026 00:20:57
PM - 2.5 207.94 (µg/m3)
PM - 10 576.61 (µg/m3)
SO2 22.94 (µg/m3)
CO 3.11 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 00:18:12
PM - 2.5 70.64 (µg/m3)
PM - 10 121.79 (µg/m3)
SO2 18.78 (µg/m3)
CO 3.42 (mg/m3)
NO2 19.19 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 00:15:44
PM - 2.5 65.3 (µg/m3)
PM - 10 163.6 (µg/m3)
SO2 .57 (µg/m3)
CO 0.56 (mg/m3)
NO2 2.58 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 00:07:00
PM - 2.5 5.1 (µg/m3)
PM - 10 0 (µg/m3)
SO2 5 (µg/m3)
CO 0.30 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 00:19:17
PM - 2.5 57.86 (µg/m3)
PM - 10 97.83 (µg/m3)
SO2 11.82 (µg/m3)
CO 0.67 (mg/m3)
NO2 6.09 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 00:17:36
PM - 2.5 0 (µg/m3)
PM - 10 20.11 (µg/m3)
SO2 7.18 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.63 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 00:20:34
PM - 2.5 43 (µg/m3)
PM - 10 75 (µg/m3)
SO2 5.1 (µg/m3)
CO 2.88 (mg/m3)
NO2 3.5 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 00:15:24
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO ##### (mg/m3)
NO2 43.36 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 00:20:57
PM - 2.5 117.33 (µg/m3)
PM - 10 116.12 (µg/m3)
SO2 14.56 (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	233.50

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	137.61
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	652.74

1 - 2

CAAQMS Data

1 - 10 of 91

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 00:20	11-APR-2026 18:50	207.94	576.61	22.94	-	3.11	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 00:20	11-APR-2026 18:50	209.57	580.84	20.02	-	3.07	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 00:19	11-APR-2026 18:49	211.17	584.51	21.94	-	3.11	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 00:19	11-APR-2026 18:45	46.30	139.00	20.15	-	0.82	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 00:19	11-APR-2026 18:49	213.14	588.63	21.38	-	3.08	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	12-APR-2026 00:19	12-APR-2026 00:15	57.86	97.83	11.82	6.09	0.67	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 00:19	11-APR-2026 18:45	46.38	139.20	20.47	-	0.82	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 00:18	11-APR-2026 18:48	214.68	592.11	21.00	-	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 00:18	11-APR-2026 18:44	46.54	139.70	20.71	-	0.81	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 00:18	11-APR-2026 18:48	216.58	596.06	20.08	-	3.07	site_5664	Thermo Fisher Scientific India Private Limited

1 - 10 of 91

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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