Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
19-04-2026 12:40:32
PM - 2.5 48.45 (µg/m3)
PM - 10 160.03 (µg/m3)
SO2 6.2 (µg/m3)
CO 1.77 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
19-04-2026 12:30:18
PM - 2.5 26.52 (µg/m3)
PM - 10 56.55 (µg/m3)
SO2 24.88 (µg/m3)
CO 0.18 (mg/m3)
NO2 14.17 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
19-04-2026 12:40:19
PM - 2.5 49.23 (µg/m3)
PM - 10 147.42 (µg/m3)
SO2 227.81 (µg/m3)
CO 0.98 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
19-04-2026 12:30:23
PM - 2.5 2.26 (µg/m3)
PM - 10 (µg/m3)
SO2 5.34 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
19-04-2026 12:40:29
PM - 2.5 22 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.5 (µg/m3)
CO 0.80 (mg/m3)
NO2 17.7 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
19-04-2026 12:40:14
PM - 2.5 19 (µg/m3)
PM - 10 30 (µg/m3)
SO2 5.2 (µg/m3)
CO 0.30 (mg/m3)
NO2 24.3 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
19-04-2026 12:40:40
PM - 2.5 59.21 (µg/m3)
PM - 10 189.71 (µg/m3)
SO2 13.5 (µg/m3)
CO 3.00 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
19-04-2026 12:40:23
PM - 2.5 1.45 (µg/m3)
PM - 10 0 (µg/m3)
SO2 21.73 (µg/m3)
CO 1.69 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S Ukni Opencast Mine
19-04-2026 12:28:34
PM - 2.5 79.73 (µg/m3)
PM - 10 98.45 (µg/m3)
SO2 23.23 (µg/m3)
CO 1.87 (mg/m3)
NO2 .68 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
19-04-2026 12:30:51
PM - 2.5 .01 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 1.93 (mg/m3)
NO2 46 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
19-04-2026 12:40:36
PM - 2.5 77.02 (µg/m3)
PM - 10 176.5 (µg/m3)
SO2 14.91 (µg/m3)
CO 0.52 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
19-04-2026 12:40:29
PM - 2.5 84.05 (µg/m3)
PM - 10 194.57 (µg/m3)
SO2 29.95 (µg/m3)
CO 1.99 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
19-04-2026 12:33:17
PM - 2.5 149.44 (µg/m3)
PM - 10 257.66 (µg/m3)
SO2 51.66 (µg/m3)
CO 3.71 (mg/m3)
NO2 33.69 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
19-04-2026 12:37:04
PM - 2.5 42.3 (µg/m3)
PM - 10 79.96 (µg/m3)
SO2 18.43 (µg/m3)
CO 0.46 (mg/m3)
NO2 8.32 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
19-04-2026 12:34:03
PM - 2.5 53.04 (µg/m3)
PM - 10 90.44 (µg/m3)
SO2 10.52 (µg/m3)
CO 0.45 (mg/m3)
NO2 4.36 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
19-04-2026 12:31:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 55.14 (µg/m3)
SO2 0 (µg/m3)
CO 0.48 (mg/m3)
NO2 18.32 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
19-04-2026 12:40:28
PM - 2.5 39 (µg/m3)
PM - 10 69 (µg/m3)
SO2 8.9 (µg/m3)
CO 0.38 (mg/m3)
NO2 11.1 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
19-04-2026 12:30:48
PM - 2.5 .38 (µg/m3)
PM - 10 (µg/m3)
SO2 231.91 (µg/m3)
CO ##### (mg/m3)
NO2 31.4 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
19-04-2026 12:40:24
PM - 2.5 13.95 (µg/m3)
PM - 10 85.69 (µg/m3)
SO2 96.23 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
19-04-2026 12:40:32
PM - 2.5 48.45 (µg/m3)
PM - 10 160.03 (µg/m3)
SO2 6.2 (µg/m3)
CO 1.77 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
19-04-2026 12:30:18
PM - 2.5 26.52 (µg/m3)
PM - 10 56.55 (µg/m3)
SO2 24.88 (µg/m3)
CO 0.18 (mg/m3)
NO2 14.17 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
19-04-2026 12:40:19
PM - 2.5 49.23 (µg/m3)
PM - 10 147.42 (µg/m3)
SO2 227.81 (µg/m3)
CO 0.98 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
19-04-2026 12:30:23
PM - 2.5 2.26 (µg/m3)
PM - 10 (µg/m3)
SO2 5.34 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
19-04-2026 12:40:29
PM - 2.5 22 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.5 (µg/m3)
CO 0.80 (mg/m3)
NO2 17.7 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
19-04-2026 12:40:14
PM - 2.5 19 (µg/m3)
PM - 10 30 (µg/m3)
SO2 5.2 (µg/m3)
CO 0.30 (mg/m3)
NO2 24.3 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
19-04-2026 12:40:40
PM - 2.5 59.21 (µg/m3)
PM - 10 189.71 (µg/m3)
SO2 13.5 (µg/m3)
CO 3.00 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
19-04-2026 12:40:23
PM - 2.5 1.45 (µg/m3)
PM - 10 0 (µg/m3)
SO2 21.73 (µg/m3)
CO 1.69 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S Ukni Opencast Mine
19-04-2026 12:28:34
PM - 2.5 79.73 (µg/m3)
PM - 10 98.45 (µg/m3)
SO2 23.23 (µg/m3)
CO 1.87 (mg/m3)
NO2 .68 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
19-04-2026 12:30:51
PM - 2.5 .01 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 1.93 (mg/m3)
NO2 46 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
19-04-2026 12:40:36
PM - 2.5 77.02 (µg/m3)
PM - 10 176.5 (µg/m3)
SO2 14.91 (µg/m3)
CO 0.52 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
19-04-2026 12:40:29
PM - 2.5 84.05 (µg/m3)
PM - 10 194.57 (µg/m3)
SO2 29.95 (µg/m3)
CO 1.99 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
19-04-2026 12:33:17
PM - 2.5 149.44 (µg/m3)
PM - 10 257.66 (µg/m3)
SO2 51.66 (µg/m3)
CO 3.71 (mg/m3)
NO2 33.69 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
19-04-2026 12:37:04
PM - 2.5 42.3 (µg/m3)
PM - 10 79.96 (µg/m3)
SO2 18.43 (µg/m3)
CO 0.46 (mg/m3)
NO2 8.32 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
19-04-2026 12:34:03
PM - 2.5 53.04 (µg/m3)
PM - 10 90.44 (µg/m3)
SO2 10.52 (µg/m3)
CO 0.45 (mg/m3)
NO2 4.36 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
19-04-2026 12:31:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 55.14 (µg/m3)
SO2 0 (µg/m3)
CO 0.48 (mg/m3)
NO2 18.32 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
19-04-2026 12:40:28
PM - 2.5 39 (µg/m3)
PM - 10 69 (µg/m3)
SO2 8.9 (µg/m3)
CO 0.38 (mg/m3)
NO2 11.1 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
19-04-2026 12:30:48
PM - 2.5 .38 (µg/m3)
PM - 10 (µg/m3)
SO2 231.91 (µg/m3)
CO ##### (mg/m3)
NO2 31.4 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
19-04-2026 12:40:24
PM - 2.5 13.95 (µg/m3)
PM - 10 85.69 (µg/m3)
SO2 96.23 (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 Kanchan OC Coal Mine	60	68.34
19-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	60	68.11
19-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	95.31
19-APR-2026	South Eastern Coalfields Limited	SECL_KUSMUNDA	60	2,147,483.75

1 - 4

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	190.23
19-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	137.05
19-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	236.10

1 - 3

CAAQMS Data

1 - 10 of 4,625

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 12:40	19-APR-2026 07:09	59.21	189.71	13.50	-	3.00	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 12:40	19-APR-2026 07:10	84.05	194.57	29.95	-	1.99	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	19-APR-2026 12:40	19-APR-2026 07:06	1.45	0.00	21.73	-	1.69	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 12:40	19-APR-2026 07:08	59.24	189.22	13.53	-	3.09	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 12:39	19-APR-2026 07:09	83.72	194.57	29.46	-	1.99	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	19-APR-2026 12:39	19-APR-2026 07:06	1.02	0.11	22.18	-	1.69	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 12:39	19-APR-2026 07:08	59.70	188.64	13.55	-	3.05	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 12:39	19-APR-2026 07:09	83.70	194.10	30.33	-	2.00	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	19-APR-2026 12:39	19-APR-2026 07:05	0.61	0.22	21.79	-	1.71	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 12:39	19-APR-2026 07:07	60.18	188.04	13.73	-	3.04	site_3509	Thermo Fisher Scientific India Private Limited

1 - 10 of 4,625

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