Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 02:50:59
PM - 2.5 73.06 (µg/m3)
PM - 10 254.6 (µg/m3)
SO2 3.95 (µg/m3)
CO 1.75 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 02:45:22
PM - 2.5 21.68 (µg/m3)
PM - 10 85.57 (µg/m3)
SO2 0 (µg/m3)
CO 0.18 (mg/m3)
NO2 15.4 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 02:51:14
PM - 2.5 7 (µg/m3)
PM - 10 13 (µg/m3)
SO2 4.5 (µg/m3)
CO 0.02 (mg/m3)
NO2 19.2 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 02:51:09
PM - 2.5 89.86 (µg/m3)
PM - 10 195.62 (µg/m3)
SO2 7.86 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 02:45:45
PM - 2.5 2.27 (µg/m3)
PM - 10 (µg/m3)
SO2 5.49 (µg/m3)
CO ##### (mg/m3)
NO2 .35 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 02:51:09
PM - 2.5 7 (µg/m3)
PM - 10 11 (µg/m3)
SO2 6.7 (µg/m3)
CO 0.34 (mg/m3)
NO2 20.8 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 02:51:06
PM - 2.5 86.73 (µg/m3)
PM - 10 132.8 (µg/m3)
SO2 38.74 (µg/m3)
CO 7.41 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 02:45:50
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 02:51:06
PM - 2.5 61.13 (µg/m3)
PM - 10 149.8 (µg/m3)
SO2 0 (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 02:51:11
PM - 2.5 129.85 (µg/m3)
PM - 10 170.72 (µg/m3)
SO2 22.53 (µg/m3)
CO 2.70 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 02:48:14
PM - 2.5 128.21 (µg/m3)
PM - 10 221.05 (µg/m3)
SO2 17.47 (µg/m3)
CO 3.14 (mg/m3)
NO2 19.46 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 02:45:51
PM - 2.5 50.1 (µg/m3)
PM - 10 135.7 (µg/m3)
SO2 .64 (µg/m3)
CO 0.62 (mg/m3)
NO2 2.46 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 02:37:00
PM - 2.5 44.5 (µg/m3)
PM - 10 64.16 (µg/m3)
SO2 12.23 (µg/m3)
CO 0.28 (mg/m3)
NO2 5.75 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 02:49:18
PM - 2.5 49.76 (µg/m3)
PM - 10 85.4 (µg/m3)
SO2 9.64 (µg/m3)
CO 0.30 (mg/m3)
NO2 3.18 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 02:47:31
PM - 2.5 0 (µg/m3)
PM - 10 54 (µg/m3)
SO2 7.36 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.43 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 02:50:57
PM - 2.5 65 (µg/m3)
PM - 10 115 (µg/m3)
SO2 4.9 (µg/m3)
CO 1.62 (mg/m3)
NO2 3.5 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 02:45:35
PM - 2.5 17.33 (µg/m3)
PM - 10 (µg/m3)
SO2 14.1 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 02:50:59
PM - 2.5 75.02 (µg/m3)
PM - 10 123.53 (µg/m3)
SO2 10.33 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 02:50:59
PM - 2.5 73.06 (µg/m3)
PM - 10 254.6 (µg/m3)
SO2 3.95 (µg/m3)
CO 1.75 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 02:45:22
PM - 2.5 21.68 (µg/m3)
PM - 10 85.57 (µg/m3)
SO2 0 (µg/m3)
CO 0.18 (mg/m3)
NO2 15.4 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 02:51:14
PM - 2.5 7 (µg/m3)
PM - 10 13 (µg/m3)
SO2 4.5 (µg/m3)
CO 0.02 (mg/m3)
NO2 19.2 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 02:51:09
PM - 2.5 89.86 (µg/m3)
PM - 10 195.62 (µg/m3)
SO2 7.86 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 02:45:45
PM - 2.5 2.27 (µg/m3)
PM - 10 (µg/m3)
SO2 5.49 (µg/m3)
CO ##### (mg/m3)
NO2 .35 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 02:51:09
PM - 2.5 7 (µg/m3)
PM - 10 11 (µg/m3)
SO2 6.7 (µg/m3)
CO 0.34 (mg/m3)
NO2 20.8 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 02:51:06
PM - 2.5 86.73 (µg/m3)
PM - 10 132.8 (µg/m3)
SO2 38.74 (µg/m3)
CO 7.41 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 02:45:50
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 02:51:06
PM - 2.5 61.13 (µg/m3)
PM - 10 149.8 (µg/m3)
SO2 0 (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 02:51:11
PM - 2.5 129.85 (µg/m3)
PM - 10 170.72 (µg/m3)
SO2 22.53 (µg/m3)
CO 2.70 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 02:48:14
PM - 2.5 128.21 (µg/m3)
PM - 10 221.05 (µg/m3)
SO2 17.47 (µg/m3)
CO 3.14 (mg/m3)
NO2 19.46 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 02:45:51
PM - 2.5 50.1 (µg/m3)
PM - 10 135.7 (µg/m3)
SO2 .64 (µg/m3)
CO 0.62 (mg/m3)
NO2 2.46 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 02:37:00
PM - 2.5 44.5 (µg/m3)
PM - 10 64.16 (µg/m3)
SO2 12.23 (µg/m3)
CO 0.28 (mg/m3)
NO2 5.75 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 02:49:18
PM - 2.5 49.76 (µg/m3)
PM - 10 85.4 (µg/m3)
SO2 9.64 (µg/m3)
CO 0.30 (mg/m3)
NO2 3.18 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 02:47:31
PM - 2.5 0 (µg/m3)
PM - 10 54 (µg/m3)
SO2 7.36 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.43 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 02:50:57
PM - 2.5 65 (µg/m3)
PM - 10 115 (µg/m3)
SO2 4.9 (µg/m3)
CO 1.62 (mg/m3)
NO2 3.5 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 02:45:35
PM - 2.5 17.33 (µg/m3)
PM - 10 (µg/m3)
SO2 14.1 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 02:50:59
PM - 2.5 75.02 (µg/m3)
PM - 10 123.53 (µg/m3)
SO2 10.33 (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	225.26

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	146.94
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	306.46

1 - 2

CAAQMS Data

1 - 10 of 724

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 02:51	11-APR-2026 21:21	129.85	170.72	22.53	-	2.70	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 02:51	11-APR-2026 21:17	86.73	132.80	38.74	-	7.41	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 02:50	11-APR-2026 21:20	131.19	171.67	21.51	-	2.70	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 02:50	11-APR-2026 21:16	85.68	132.00	38.45	-	7.33	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 02:50	11-APR-2026 21:20	132.80	172.70	25.16	-	2.71	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 02:50	11-APR-2026 21:16	84.61	131.20	38.03	-	7.22	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 02:49	11-APR-2026 21:19	134.14	173.51	20.91	-	2.69	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 02:49	11-APR-2026 21:15	83.51	130.40	37.78	-	7.12	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	12-APR-2026 02:49	12-APR-2026 02:45	49.76	85.40	9.64	3.18	0.30	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 02:49	11-APR-2026 21:19	135.71	174.27	21.53	-	2.67	site_5664	Thermo Fisher Scientific India Private Limited

1 - 10 of 724

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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