Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 00:34:59
PM - 2.5 33.9 (µg/m3)
PM - 10 187.34 (µg/m3)
SO2 6.32 (µg/m3)
CO 1.63 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 00:30:27
PM - 2.5 22.97 (µg/m3)
PM - 10 55.22 (µg/m3)
SO2 0 (µg/m3)
CO 0.19 (mg/m3)
NO2 7.81 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 00:34:43
PM - 2.5 11 (µg/m3)
PM - 10 21 (µg/m3)
SO2 4.4 (µg/m3)
CO 0.04 (mg/m3)
NO2 19.1 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 00:35:07
PM - 2.5 114.94 (µg/m3)
PM - 10 299.16 (µg/m3)
SO2 21.06 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 00:30:27
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 00:35:06
PM - 2.5 3 (µg/m3)
PM - 10 5 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.32 (mg/m3)
NO2 20.5 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 00:35:03
PM - 2.5 52.69 (µg/m3)
PM - 10 177.5 (µg/m3)
SO2 19.97 (µg/m3)
CO 0.84 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 00:30:50
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 00:35:06
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 0 (µg/m3)
CO 0.00 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
12-04-2026 00:34:57
PM - 2.5 192.38 (µg/m3)
PM - 10 468.35 (µg/m3)
SO2 21.78 (µg/m3)
CO 3.19 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 00:33:12
PM - 2.5 70.64 (µg/m3)
PM - 10 121.79 (µg/m3)
SO2 21.87 (µg/m3)
CO 3.73 (mg/m3)
NO2 19.18 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 00:30:33
PM - 2.5 62.3 (µg/m3)
PM - 10 163.6 (µg/m3)
SO2 .81 (µg/m3)
CO 0.70 (mg/m3)
NO2 2.59 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 00:22:00
PM - 2.5 42.4 (µg/m3)
PM - 10 58.52 (µg/m3)
SO2 13.65 (µg/m3)
CO 0.25 (mg/m3)
NO2 5.25 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 00:34:17
PM - 2.5 50.52 (µg/m3)
PM - 10 86.58 (µg/m3)
SO2 9.84 (µg/m3)
CO 0.34 (mg/m3)
NO2 3.46 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 00:32:31
PM - 2.5 0 (µg/m3)
PM - 10 18.17 (µg/m3)
SO2 7.07 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.1 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 00:35:04
PM - 2.5 43 (µg/m3)
PM - 10 75 (µg/m3)
SO2 4.8 (µg/m3)
CO 3.53 (mg/m3)
NO2 3.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 00:30:13
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO ##### (mg/m3)
NO2 46.7 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 00:34:57
PM - 2.5 122.32 (µg/m3)
PM - 10 125.58 (µg/m3)
SO2 15.96 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 00:34:59
PM - 2.5 33.9 (µg/m3)
PM - 10 187.34 (µg/m3)
SO2 6.32 (µg/m3)
CO 1.63 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 00:30:27
PM - 2.5 22.97 (µg/m3)
PM - 10 55.22 (µg/m3)
SO2 0 (µg/m3)
CO 0.19 (mg/m3)
NO2 7.81 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 00:34:43
PM - 2.5 11 (µg/m3)
PM - 10 21 (µg/m3)
SO2 4.4 (µg/m3)
CO 0.04 (mg/m3)
NO2 19.1 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 00:35:07
PM - 2.5 114.94 (µg/m3)
PM - 10 299.16 (µg/m3)
SO2 21.06 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 00:30:27
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 00:35:06
PM - 2.5 3 (µg/m3)
PM - 10 5 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.32 (mg/m3)
NO2 20.5 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 00:35:03
PM - 2.5 52.69 (µg/m3)
PM - 10 177.5 (µg/m3)
SO2 19.97 (µg/m3)
CO 0.84 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 00:30:50
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 00:35:06
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 0 (µg/m3)
CO 0.00 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
12-04-2026 00:34:57
PM - 2.5 192.38 (µg/m3)
PM - 10 468.35 (µg/m3)
SO2 21.78 (µg/m3)
CO 3.19 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 00:33:12
PM - 2.5 70.64 (µg/m3)
PM - 10 121.79 (µg/m3)
SO2 21.87 (µg/m3)
CO 3.73 (mg/m3)
NO2 19.18 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 00:30:33
PM - 2.5 62.3 (µg/m3)
PM - 10 163.6 (µg/m3)
SO2 .81 (µg/m3)
CO 0.70 (mg/m3)
NO2 2.59 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 00:22:00
PM - 2.5 42.4 (µg/m3)
PM - 10 58.52 (µg/m3)
SO2 13.65 (µg/m3)
CO 0.25 (mg/m3)
NO2 5.25 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 00:34:17
PM - 2.5 50.52 (µg/m3)
PM - 10 86.58 (µg/m3)
SO2 9.84 (µg/m3)
CO 0.34 (mg/m3)
NO2 3.46 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 00:32:31
PM - 2.5 0 (µg/m3)
PM - 10 18.17 (µg/m3)
SO2 7.07 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.1 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 00:35:04
PM - 2.5 43 (µg/m3)
PM - 10 75 (µg/m3)
SO2 4.8 (µg/m3)
CO 3.53 (mg/m3)
NO2 3.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 00:30:13
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO ##### (mg/m3)
NO2 46.7 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 00:34:57
PM - 2.5 122.32 (µg/m3)
PM - 10 125.58 (µg/m3)
SO2 15.96 (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	217.98

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	140.18
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	597.36

1 - 2

CAAQMS Data

1 - 10 of 154

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 00:35	11-APR-2026 19:01	52.69	177.50	19.97	-	0.84	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 00:34	11-APR-2026 19:04	192.38	468.35	21.78	-	3.19	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 00:34	11-APR-2026 19:00	52.69	173.10	20.00	-	0.85	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 00:34	11-APR-2026 19:04	192.50	471.99	21.41	-	3.16	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	12-APR-2026 00:34	12-APR-2026 00:30	50.52	86.58	9.84	3.46	0.34	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 00:34	11-APR-2026 19:00	52.69	168.70	20.41	-	0.85	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 00:33	11-APR-2026 19:03	192.55	475.25	22.52	-	3.18	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 00:33	11-APR-2026 18:59	52.69	164.30	20.16	-	0.85	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 00:33	11-APR-2026 19:03	192.39	478.92	20.43	-	3.17	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 00:33	11-APR-2026 18:59	52.69	160.00	20.06	-	0.84	site_5720	Thermo Fisher Scientific India Private Limited

1 - 10 of 154

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