Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
20-04-2026 01:31:27
PM - 2.5 18.91 (µg/m3)
PM - 10 22.17 (µg/m3)
SO2 6.89 (µg/m3)
CO 0.59 (mg/m3)
NO2 2.21 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
20-04-2026 01:34:40
PM - 2.5 39.56 (µg/m3)
PM - 10 134.75 (µg/m3)
SO2 16.95 (µg/m3)
CO 6.10 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
20-04-2026 01:30:12
PM - 2.5 32.25 (µg/m3)
PM - 10 68.56 (µg/m3)
SO2 33.75 (µg/m3)
CO 0.47 (mg/m3)
NO2 19.92 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
20-04-2026 01:33:58
PM - 2.5 49 (µg/m3)
PM - 10 98 (µg/m3)
SO2 4.8 (µg/m3)
CO 0.63 (mg/m3)
NO2 40.3 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
20-04-2026 01:34:35
PM - 2.5 32.95 (µg/m3)
PM - 10 78.34 (µg/m3)
SO2 4.69 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
20-04-2026 01:30:49
PM - 2.5 2.25 (µg/m3)
PM - 10 (µg/m3)
SO2 5.22 (µg/m3)
CO (mg/m3)
NO2 .13 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
20-04-2026 01:34:39
PM - 2.5 26 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.8 (µg/m3)
CO 0.83 (mg/m3)
NO2 17.6 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
20-04-2026 01:34:26
PM - 2.5 58.96 (µg/m3)
PM - 10 175.94 (µg/m3)
SO2 9.28 (µg/m3)
CO 3.26 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
20-04-2026 01:34:36
PM - 2.5 80.21 (µg/m3)
PM - 10 209.9 (µg/m3)
SO2 21.7 (µg/m3)
CO 3.28 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
20-04-2026 01:30:52
PM - 2.5 49.75 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.00 (mg/m3)
NO2 984.97 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
20-04-2026 01:34:36
PM - 2.5 78.73 (µg/m3)
PM - 10 194.2 (µg/m3)
SO2 9.98 (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
20-04-2026 01:31:03
PM - 2.5 80.62 (µg/m3)
PM - 10 326.88 (µg/m3)
SO2 33.96 (µg/m3)
CO 2.77 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
20-04-2026 01:34:35
PM - 2.5 10.62 (µg/m3)
PM - 10 16.64 (µg/m3)
SO2 3.31 (µg/m3)
CO 0.04 (mg/m3)
NO2 1.76 (µg/m3)
Northern Coalfields Limited
NCL_CETI
20-04-2026 01:33:19
PM - 2.5 75.27 (µg/m3)
PM - 10 129.77 (µg/m3)
SO2 77.71 (µg/m3)
CO 5.43 (mg/m3)
NO2 33.67 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
20-04-2026 01:30:23
PM - 2.5 34.6 (µg/m3)
PM - 10 87.4 (µg/m3)
SO2 .71 (µg/m3)
CO 0.52 (mg/m3)
NO2 1.59 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
20-04-2026 01:22:04
PM - 2.5 40.4 (µg/m3)
PM - 10 74.24 (µg/m3)
SO2 18.19 (µg/m3)
CO 0.43 (mg/m3)
NO2 7.74 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
20-04-2026 01:34:06
PM - 2.5 57.77 (µg/m3)
PM - 10 97.69 (µg/m3)
SO2 11.8 (µg/m3)
CO 0.66 (mg/m3)
NO2 6.06 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
20-04-2026 01:31:22
PM - 2.5 (µg/m3)
PM - 10 62.66 (µg/m3)
SO2 6.28 (µg/m3)
CO 0.54 (mg/m3)
NO2 16.88 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
20-04-2026 01:34:27
PM - 2.5 43 (µg/m3)
PM - 10 75 (µg/m3)
SO2 9.7 (µg/m3)
CO 0.26 (mg/m3)
NO2 10.1 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
20-04-2026 01:30:45
PM - 2.5 20.45 (µg/m3)
PM - 10 (µg/m3)
SO2 17.13 (µg/m3)
CO 1.24 (mg/m3)
NO2 239.2 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
20-04-2026 01:34:38
PM - 2.5 107.55 (µg/m3)
PM - 10 192.81 (µg/m3)
SO2 49.07 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
20-04-2026 01:31:27
PM - 2.5 18.91 (µg/m3)
PM - 10 22.17 (µg/m3)
SO2 6.89 (µg/m3)
CO 0.59 (mg/m3)
NO2 2.21 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
20-04-2026 01:34:40
PM - 2.5 39.56 (µg/m3)
PM - 10 134.75 (µg/m3)
SO2 16.95 (µg/m3)
CO 6.10 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
20-04-2026 01:30:12
PM - 2.5 32.25 (µg/m3)
PM - 10 68.56 (µg/m3)
SO2 33.75 (µg/m3)
CO 0.47 (mg/m3)
NO2 19.92 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
20-04-2026 01:33:58
PM - 2.5 49 (µg/m3)
PM - 10 98 (µg/m3)
SO2 4.8 (µg/m3)
CO 0.63 (mg/m3)
NO2 40.3 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
20-04-2026 01:34:35
PM - 2.5 32.95 (µg/m3)
PM - 10 78.34 (µg/m3)
SO2 4.69 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
20-04-2026 01:30:49
PM - 2.5 2.25 (µg/m3)
PM - 10 (µg/m3)
SO2 5.22 (µg/m3)
CO (mg/m3)
NO2 .13 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
20-04-2026 01:34:39
PM - 2.5 26 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.8 (µg/m3)
CO 0.83 (mg/m3)
NO2 17.6 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
20-04-2026 01:34:26
PM - 2.5 58.96 (µg/m3)
PM - 10 175.94 (µg/m3)
SO2 9.28 (µg/m3)
CO 3.26 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
20-04-2026 01:34:36
PM - 2.5 80.21 (µg/m3)
PM - 10 209.9 (µg/m3)
SO2 21.7 (µg/m3)
CO 3.28 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
20-04-2026 01:30:52
PM - 2.5 49.75 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.00 (mg/m3)
NO2 984.97 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
20-04-2026 01:34:36
PM - 2.5 78.73 (µg/m3)
PM - 10 194.2 (µg/m3)
SO2 9.98 (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
20-04-2026 01:31:03
PM - 2.5 80.62 (µg/m3)
PM - 10 326.88 (µg/m3)
SO2 33.96 (µg/m3)
CO 2.77 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
20-04-2026 01:34:35
PM - 2.5 10.62 (µg/m3)
PM - 10 16.64 (µg/m3)
SO2 3.31 (µg/m3)
CO 0.04 (mg/m3)
NO2 1.76 (µg/m3)
Northern Coalfields Limited
NCL_CETI
20-04-2026 01:33:19
PM - 2.5 75.27 (µg/m3)
PM - 10 129.77 (µg/m3)
SO2 77.71 (µg/m3)
CO 5.43 (mg/m3)
NO2 33.67 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
20-04-2026 01:30:23
PM - 2.5 34.6 (µg/m3)
PM - 10 87.4 (µg/m3)
SO2 .71 (µg/m3)
CO 0.52 (mg/m3)
NO2 1.59 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
20-04-2026 01:22:04
PM - 2.5 40.4 (µg/m3)
PM - 10 74.24 (µg/m3)
SO2 18.19 (µg/m3)
CO 0.43 (mg/m3)
NO2 7.74 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
20-04-2026 01:34:06
PM - 2.5 57.77 (µg/m3)
PM - 10 97.69 (µg/m3)
SO2 11.8 (µg/m3)
CO 0.66 (mg/m3)
NO2 6.06 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
20-04-2026 01:31:22
PM - 2.5 (µg/m3)
PM - 10 62.66 (µg/m3)
SO2 6.28 (µg/m3)
CO 0.54 (mg/m3)
NO2 16.88 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
20-04-2026 01:34:27
PM - 2.5 43 (µg/m3)
PM - 10 75 (µg/m3)
SO2 9.7 (µg/m3)
CO 0.26 (mg/m3)
NO2 10.1 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
20-04-2026 01:30:45
PM - 2.5 20.45 (µg/m3)
PM - 10 (µg/m3)
SO2 17.13 (µg/m3)
CO 1.24 (mg/m3)
NO2 239.2 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
20-04-2026 01:34:38
PM - 2.5 107.55 (µg/m3)
PM - 10 192.81 (µg/m3)
SO2 49.07 (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)
20-APR-2026	South Eastern Coalfields Limited	M/S Kanchan OC Coal Mine	60	61.87
20-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	60	67.50
20-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	163.33

1 - 3

Record Date	Company name	Mine name	Permissible Limit (µg/m3)	Average PM - 10 (µg/m3)
20-APR-2026	South Eastern Coalfields Limited	M/S Kanchan OC Coal Mine	100	147.62
20-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	186.33
20-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	456.41

1 - 3

CAAQMS Data

1 - 10 of 582

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	20-APR-2026 01:34	19-APR-2026 20:00	80.21	209.90	21.70	-	3.28	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	20-APR-2026 01:34	19-APR-2026 20:02	58.96	175.94	9.28	-	3.26	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	20-APR-2026 01:34	20-APR-2026 01:30	57.77	97.69	11.80	6.06	0.66	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	20-APR-2026 01:34	19-APR-2026 20:00	79.45	207.70	21.76	-	3.25	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	20-APR-2026 01:33	19-APR-2026 20:02	59.23	175.38	9.25	-	3.26	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	20-APR-2026 01:33	19-APR-2026 19:59	78.66	205.30	21.97	-	3.23	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	20-APR-2026 01:33	19-APR-2026 20:01	59.53	174.87	9.19	-	3.35	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	20-APR-2026 01:33	19-APR-2026 19:59	77.86	202.70	21.66	-	3.21	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	20-APR-2026 01:32	19-APR-2026 20:01	59.73	174.29	9.30	-	3.25	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	20-APR-2026 01:32	19-APR-2026 19:58	77.14	200.20	21.37	-	3.19	site_5720	Thermo Fisher Scientific India Private Limited

1 - 10 of 582

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