Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
19-04-2026 00:48:21
PM - 2.5 37.95 (µg/m3)
PM - 10 198.52 (µg/m3)
SO2 2.66 (µg/m3)
CO 7.31 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
19-04-2026 00:45:31
PM - 2.5 29.99 (µg/m3)
PM - 10 79.6 (µg/m3)
SO2 26.88 (µg/m3)
CO 0.38 (mg/m3)
NO2 18.08 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
19-04-2026 00:48:35
PM - 2.5 35 (µg/m3)
PM - 10 69 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.97 (mg/m3)
NO2 13.1 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
19-04-2026 00:48:33
PM - 2.5 107.04 (µg/m3)
PM - 10 162.78 (µg/m3)
SO2 6.26 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
19-04-2026 00:45:04
PM - 2.5 2.27 (µg/m3)
PM - 10 (µg/m3)
SO2 5.28 (µg/m3)
CO ##### (mg/m3)
NO2 .19 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
19-04-2026 00:48:05
PM - 2.5 22 (µg/m3)
PM - 10 110 (µg/m3)
SO2 10.1 (µg/m3)
CO 0.97 (mg/m3)
NO2 17.7 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
19-04-2026 00:48:23
PM - 2.5 23 (µg/m3)
PM - 10 36 (µg/m3)
SO2 5.2 (µg/m3)
CO 0.34 (mg/m3)
NO2 25.5 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
19-04-2026 00:48:27
PM - 2.5 68.13 (µg/m3)
PM - 10 155.55 (µg/m3)
SO2 11.59 (µg/m3)
CO 3.40 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
19-04-2026 00:48:05
PM - 2.5 100.9 (µg/m3)
PM - 10 165.8 (µg/m3)
SO2 21.51 (µg/m3)
CO 4.04 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S Ukni Opencast Mine
19-04-2026 00:48:19
PM - 2.5 65.14 (µg/m3)
PM - 10 176.29 (µg/m3)
SO2 17.24 (µg/m3)
CO 2.26 (mg/m3)
NO2 .81 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
19-04-2026 00:45:51
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 984.45 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
19-04-2026 00:48:35
PM - 2.5 118.1 (µg/m3)
PM - 10 364.7 (µg/m3)
SO2 20.34 (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
19-04-2026 00:48:12
PM - 2.5 99.11 (µg/m3)
PM - 10 208.32 (µg/m3)
SO2 30.32 (µg/m3)
CO 2.75 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
19-04-2026 00:48:18
PM - 2.5 112.08 (µg/m3)
PM - 10 193.24 (µg/m3)
SO2 83.15 (µg/m3)
CO 5.22 (mg/m3)
NO2 33.65 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
19-04-2026 00:45:20
PM - 2.5 74.5 (µg/m3)
PM - 10 191.9 (µg/m3)
SO2 0 (µg/m3)
CO 1.00 (mg/m3)
NO2 1.84 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
19-04-2026 00:37:04
PM - 2.5 55 (µg/m3)
PM - 10 117 (µg/m3)
SO2 19.99 (µg/m3)
CO 0.71 (mg/m3)
NO2 12.1 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
19-04-2026 00:33:59
PM - 2.5 47.42 (µg/m3)
PM - 10 81.81 (µg/m3)
SO2 9 (µg/m3)
CO 0.20 (mg/m3)
NO2 2.34 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
19-04-2026 00:46:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 54.03 (µg/m3)
SO2 0 (µg/m3)
CO 0.47 (mg/m3)
NO2 17.19 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
19-04-2026 00:48:34
PM - 2.5 37 (µg/m3)
PM - 10 66 (µg/m3)
SO2 10.3 (µg/m3)
CO 0.39 (mg/m3)
NO2 10.3 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
19-04-2026 00:45:06
PM - 2.5 30.96 (µg/m3)
PM - 10 (µg/m3)
SO2 27.73 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
19-04-2026 00:48:18
PM - 2.5 22.01 (µg/m3)
PM - 10 47.28 (µg/m3)
SO2 6.71 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
19-04-2026 00:48:21
PM - 2.5 37.95 (µg/m3)
PM - 10 198.52 (µg/m3)
SO2 2.66 (µg/m3)
CO 7.31 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
19-04-2026 00:45:31
PM - 2.5 29.99 (µg/m3)
PM - 10 79.6 (µg/m3)
SO2 26.88 (µg/m3)
CO 0.38 (mg/m3)
NO2 18.08 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
19-04-2026 00:48:35
PM - 2.5 35 (µg/m3)
PM - 10 69 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.97 (mg/m3)
NO2 13.1 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
19-04-2026 00:48:33
PM - 2.5 107.04 (µg/m3)
PM - 10 162.78 (µg/m3)
SO2 6.26 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
19-04-2026 00:45:04
PM - 2.5 2.27 (µg/m3)
PM - 10 (µg/m3)
SO2 5.28 (µg/m3)
CO ##### (mg/m3)
NO2 .19 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
19-04-2026 00:48:05
PM - 2.5 22 (µg/m3)
PM - 10 110 (µg/m3)
SO2 10.1 (µg/m3)
CO 0.97 (mg/m3)
NO2 17.7 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
19-04-2026 00:48:23
PM - 2.5 23 (µg/m3)
PM - 10 36 (µg/m3)
SO2 5.2 (µg/m3)
CO 0.34 (mg/m3)
NO2 25.5 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
19-04-2026 00:48:27
PM - 2.5 68.13 (µg/m3)
PM - 10 155.55 (µg/m3)
SO2 11.59 (µg/m3)
CO 3.40 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
19-04-2026 00:48:05
PM - 2.5 100.9 (µg/m3)
PM - 10 165.8 (µg/m3)
SO2 21.51 (µg/m3)
CO 4.04 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S Ukni Opencast Mine
19-04-2026 00:48:19
PM - 2.5 65.14 (µg/m3)
PM - 10 176.29 (µg/m3)
SO2 17.24 (µg/m3)
CO 2.26 (mg/m3)
NO2 .81 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
19-04-2026 00:45:51
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 984.45 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
19-04-2026 00:48:35
PM - 2.5 118.1 (µg/m3)
PM - 10 364.7 (µg/m3)
SO2 20.34 (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
19-04-2026 00:48:12
PM - 2.5 99.11 (µg/m3)
PM - 10 208.32 (µg/m3)
SO2 30.32 (µg/m3)
CO 2.75 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
19-04-2026 00:48:18
PM - 2.5 112.08 (µg/m3)
PM - 10 193.24 (µg/m3)
SO2 83.15 (µg/m3)
CO 5.22 (mg/m3)
NO2 33.65 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
19-04-2026 00:45:20
PM - 2.5 74.5 (µg/m3)
PM - 10 191.9 (µg/m3)
SO2 0 (µg/m3)
CO 1.00 (mg/m3)
NO2 1.84 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
19-04-2026 00:37:04
PM - 2.5 55 (µg/m3)
PM - 10 117 (µg/m3)
SO2 19.99 (µg/m3)
CO 0.71 (mg/m3)
NO2 12.1 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
19-04-2026 00:33:59
PM - 2.5 47.42 (µg/m3)
PM - 10 81.81 (µg/m3)
SO2 9 (µg/m3)
CO 0.20 (mg/m3)
NO2 2.34 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
19-04-2026 00:46:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 54.03 (µg/m3)
SO2 0 (µg/m3)
CO 0.47 (mg/m3)
NO2 17.19 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
19-04-2026 00:48:34
PM - 2.5 37 (µg/m3)
PM - 10 66 (µg/m3)
SO2 10.3 (µg/m3)
CO 0.39 (mg/m3)
NO2 10.3 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
19-04-2026 00:45:06
PM - 2.5 30.96 (µg/m3)
PM - 10 (µg/m3)
SO2 27.73 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
19-04-2026 00:48:18
PM - 2.5 22.01 (µg/m3)
PM - 10 47.28 (µg/m3)
SO2 6.71 (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)
19-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	60	103.61
19-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	102.34
19-APR-2026	South Eastern Coalfields Limited	SECL_KUSMUNDA	60	2,147,483.75

1 - 3

Record Date	Company name	Mine name	Permissible Limit (µg/m3)	Average PM - 10 (µg/m3)
19-APR-2026	South Eastern Coalfields Limited	M/S Kanchan OC Coal Mine	100	167.19
19-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	180.32
19-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	224.17

1 - 3

CAAQMS Data

1 - 10 of 297

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	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 00:48	18-APR-2026 19:17	68.13	155.55	11.59	-	3.40	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	19-APR-2026 00:48	18-APR-2026 19:18	99.11	208.32	30.32	-	2.75	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	19-APR-2026 00:48	18-APR-2026 19:14	100.90	165.80	21.51	-	4.04	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 00:47	18-APR-2026 19:16	67.48	155.40	11.79	-	3.34	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	19-APR-2026 00:47	18-APR-2026 19:17	99.32	208.29	30.00	-	2.73	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	19-APR-2026 00:47	18-APR-2026 19:13	101.60	166.60	21.35	-	4.03	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 00:47	18-APR-2026 19:16	66.59	155.05	12.04	-	3.37	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	19-APR-2026 00:47	18-APR-2026 19:17	99.30	208.20	28.89	-	2.69	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	19-APR-2026 00:47	18-APR-2026 19:13	102.10	167.40	21.18	-	4.01	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 00:46	18-APR-2026 19:15	65.79	154.77	11.71	-	3.37	site_3509	Thermo Fisher Scientific India Private Limited

1 - 10 of 297

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