Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 04:33:31
PM - 2.5 90.81 (µg/m3)
PM - 10 318.91 (µg/m3)
SO2 5.5 (µg/m3)
CO 1.50 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 04:30:31
PM - 2.5 23.67 (µg/m3)
PM - 10 60.18 (µg/m3)
SO2 0 (µg/m3)
CO 0.30 (mg/m3)
NO2 16.02 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 04:33:15
PM - 2.5 5 (µg/m3)
PM - 10 9 (µg/m3)
SO2 4.5 (µg/m3)
CO 0.00 (mg/m3)
NO2 19.1 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 04:33:39
PM - 2.5 94.48 (µg/m3)
PM - 10 154.75 (µg/m3)
SO2 13.09 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 04:30:27
PM - 2.5 2.28 (µg/m3)
PM - 10 (µg/m3)
SO2 5.53 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 04:33:40
PM - 2.5 12 (µg/m3)
PM - 10 19 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.36 (mg/m3)
NO2 21.1 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 04:33:37
PM - 2.5 60.04 (µg/m3)
PM - 10 81.2 (µg/m3)
SO2 23.52 (µg/m3)
CO 3.88 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 04:30:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.17 (mg/m3)
NO2 90 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 04:33:35
PM - 2.5 65.48 (µg/m3)
PM - 10 179.6 (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 04:33:35
PM - 2.5 114.14 (µg/m3)
PM - 10 319.65 (µg/m3)
SO2 21.18 (µg/m3)
CO 2.50 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 04:33:13
PM - 2.5 121.48 (µg/m3)
PM - 10 209.45 (µg/m3)
SO2 22.79 (µg/m3)
CO 3.21 (mg/m3)
NO2 19.29 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 04:30:31
PM - 2.5 58.1 (µg/m3)
PM - 10 217.5 (µg/m3)
SO2 .41 (µg/m3)
CO 0.64 (mg/m3)
NO2 2.67 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 04:22:00
PM - 2.5 51.7 (µg/m3)
PM - 10 83.07 (µg/m3)
SO2 12.73 (µg/m3)
CO 0.38 (mg/m3)
NO2 7.4 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 04:19:18
PM - 2.5 58.1 (µg/m3)
PM - 10 98.2 (µg/m3)
SO2 11.89 (µg/m3)
CO 0.68 (mg/m3)
NO2 6.18 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 04:32:31
PM - 2.5 0 (µg/m3)
PM - 10 57.09 (µg/m3)
SO2 7.27 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.65 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 04:33:26
PM - 2.5 20 (µg/m3)
PM - 10 35 (µg/m3)
SO2 4.9 (µg/m3)
CO 1.48 (mg/m3)
NO2 3.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 04:30:19
PM - 2.5 270 (µg/m3)
PM - 10 (µg/m3)
SO2 24.17 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 04:33:33
PM - 2.5 71.43 (µg/m3)
PM - 10 74.2 (µg/m3)
SO2 19.39 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 04:33:31
PM - 2.5 90.81 (µg/m3)
PM - 10 318.91 (µg/m3)
SO2 5.5 (µg/m3)
CO 1.50 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 04:30:31
PM - 2.5 23.67 (µg/m3)
PM - 10 60.18 (µg/m3)
SO2 0 (µg/m3)
CO 0.30 (mg/m3)
NO2 16.02 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 04:33:15
PM - 2.5 5 (µg/m3)
PM - 10 9 (µg/m3)
SO2 4.5 (µg/m3)
CO 0.00 (mg/m3)
NO2 19.1 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 04:33:39
PM - 2.5 94.48 (µg/m3)
PM - 10 154.75 (µg/m3)
SO2 13.09 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 04:30:27
PM - 2.5 2.28 (µg/m3)
PM - 10 (µg/m3)
SO2 5.53 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 04:33:40
PM - 2.5 12 (µg/m3)
PM - 10 19 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.36 (mg/m3)
NO2 21.1 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 04:33:37
PM - 2.5 60.04 (µg/m3)
PM - 10 81.2 (µg/m3)
SO2 23.52 (µg/m3)
CO 3.88 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 04:30:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.17 (mg/m3)
NO2 90 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 04:33:35
PM - 2.5 65.48 (µg/m3)
PM - 10 179.6 (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 04:33:35
PM - 2.5 114.14 (µg/m3)
PM - 10 319.65 (µg/m3)
SO2 21.18 (µg/m3)
CO 2.50 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 04:33:13
PM - 2.5 121.48 (µg/m3)
PM - 10 209.45 (µg/m3)
SO2 22.79 (µg/m3)
CO 3.21 (mg/m3)
NO2 19.29 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 04:30:31
PM - 2.5 58.1 (µg/m3)
PM - 10 217.5 (µg/m3)
SO2 .41 (µg/m3)
CO 0.64 (mg/m3)
NO2 2.67 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 04:22:00
PM - 2.5 51.7 (µg/m3)
PM - 10 83.07 (µg/m3)
SO2 12.73 (µg/m3)
CO 0.38 (mg/m3)
NO2 7.4 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 04:19:18
PM - 2.5 58.1 (µg/m3)
PM - 10 98.2 (µg/m3)
SO2 11.89 (µg/m3)
CO 0.68 (mg/m3)
NO2 6.18 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 04:32:31
PM - 2.5 0 (µg/m3)
PM - 10 57.09 (µg/m3)
SO2 7.27 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.65 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 04:33:26
PM - 2.5 20 (µg/m3)
PM - 10 35 (µg/m3)
SO2 4.9 (µg/m3)
CO 1.48 (mg/m3)
NO2 3.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 04:30:19
PM - 2.5 270 (µg/m3)
PM - 10 (µg/m3)
SO2 24.17 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 04:33:33
PM - 2.5 71.43 (µg/m3)
PM - 10 74.2 (µg/m3)
SO2 19.39 (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 Saraipali Opencast Coal Mine	60	63.68
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	153.35

1 - 2

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	128.70
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	271.01

1 - 2

CAAQMS Data

1 - 10 of 1,159

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 04:33	11-APR-2026 22:59	60.04	81.20	23.52	-	3.88	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 04:33	11-APR-2026 23:03	114.14	319.65	21.18	-	2.50	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 04:33	11-APR-2026 22:59	60.21	81.53	23.77	-	3.89	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 04:33	11-APR-2026 23:03	113.99	319.65	22.76	-	2.52	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 04:32	11-APR-2026 22:58	60.35	81.80	23.59	-	3.91	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 04:32	11-APR-2026 23:02	113.86	319.65	23.36	-	2.51	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL,Kusmunda	SECL_KUSMUNDA	12-APR-2026 04:32	12-APR-2026 04:30	0.00	57.09	7.27	13.65	0.42	site_1963	Envea India Pvt Ltd
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 04:32	11-APR-2026 22:58	60.51	81.96	23.39	-	3.93	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 04:32	11-APR-2026 23:02	113.94	319.65	23.25	-	2.48	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 04:31	11-APR-2026 22:57	60.78	82.51	22.50	-	3.94	site_5720	Thermo Fisher Scientific India Private Limited

1 - 10 of 1,159

marquee

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