Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
19-04-2026 19:08:33
PM - 2.5 23.14 (µg/m3)
PM - 10 86.49 (µg/m3)
SO2 10.09 (µg/m3)
CO 4.69 (mg/m3)
NO2 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
19-04-2026 19:08:25
PM - 2.5 33 (µg/m3)
PM - 10 67 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.42 (mg/m3)
NO2 12.9 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
19-04-2026 19:08:27
PM - 2.5 76.29 (µg/m3)
PM - 10 99.53 (µg/m3)
SO2 34.14 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
19-04-2026 19:00:35
PM - 2.5 2.36 (µg/m3)
PM - 10 (µg/m3)
SO2 5.53 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
19-04-2026 19:08:19
PM - 2.5 36 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.8 (µg/m3)
CO 0.74 (mg/m3)
NO2 17.5 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
19-04-2026 19:01:25
PM - 2.5 14 (µg/m3)
PM - 10 44 (µg/m3)
SO2 5.1 (µg/m3)
CO 0.30 (mg/m3)
NO2 23.9 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
19-04-2026 19:08:46
PM - 2.5 60.64 (µg/m3)
PM - 10 255.98 (µg/m3)
SO2 7.75 (µg/m3)
CO 4.05 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
19-04-2026 19:08:29
PM - 2.5 73.54 (µg/m3)
PM - 10 230.3 (µg/m3)
SO2 18.86 (µg/m3)
CO 1.20 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
19-04-2026 19:00:51
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.16 (mg/m3)
NO2 103.31 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
19-04-2026 19:08:35
PM - 2.5 159 (µg/m3)
PM - 10 858.6 (µg/m3)
SO2 11.97 (µg/m3)
CO 0.53 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
19-04-2026 19:08:35
PM - 2.5 199.44 (µg/m3)
PM - 10 913.6 (µg/m3)
SO2 25.2 (µg/m3)
CO 2.21 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
19-04-2026 19:08:28
PM - 2.5 .58 (µg/m3)
PM - 10 0 (µg/m3)
SO2 5.69 (µg/m3)
CO 0.46 (mg/m3)
NO2 2.36 (µg/m3)
Northern Coalfields Limited
NCL_CETI
19-04-2026 19:03:19
PM - 2.5 82.18 (µg/m3)
PM - 10 141.69 (µg/m3)
SO2 29.94 (µg/m3)
CO 3.63 (mg/m3)
NO2 33.67 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
19-04-2026 19:00:12
PM - 2.5 41.9 (µg/m3)
PM - 10 104.4 (µg/m3)
SO2 .61 (µg/m3)
CO 0.50 (mg/m3)
NO2 1.31 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
19-04-2026 19:07:05
PM - 2.5 53.2 (µg/m3)
PM - 10 111.64 (µg/m3)
SO2 19.76 (µg/m3)
CO 0.67 (mg/m3)
NO2 11.56 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
19-04-2026 19:04:04
PM - 2.5 52.88 (µg/m3)
PM - 10 90.2 (µg/m3)
SO2 10.48 (µg/m3)
CO 0.44 (mg/m3)
NO2 4.31 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
19-04-2026 19:01:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 57.27 (µg/m3)
SO2 7.07 (µg/m3)
CO 0.50 (mg/m3)
NO2 16.62 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
19-04-2026 19:07:59
PM - 2.5 44 (µg/m3)
PM - 10 78 (µg/m3)
SO2 9.5 (µg/m3)
CO 0.49 (mg/m3)
NO2 11.1 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
19-04-2026 19:00:17
PM - 2.5 60.54 (µg/m3)
PM - 10 (µg/m3)
SO2 56.91 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
19-04-2026 19:08:31
PM - 2.5 126.33 (µg/m3)
PM - 10 251.48 (µg/m3)
SO2 108.33 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
19-04-2026 19:08:33
PM - 2.5 23.14 (µg/m3)
PM - 10 86.49 (µg/m3)
SO2 10.09 (µg/m3)
CO 4.69 (mg/m3)
NO2 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
19-04-2026 19:08:25
PM - 2.5 33 (µg/m3)
PM - 10 67 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.42 (mg/m3)
NO2 12.9 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
19-04-2026 19:08:27
PM - 2.5 76.29 (µg/m3)
PM - 10 99.53 (µg/m3)
SO2 34.14 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
19-04-2026 19:00:35
PM - 2.5 2.36 (µg/m3)
PM - 10 (µg/m3)
SO2 5.53 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
19-04-2026 19:08:19
PM - 2.5 36 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.8 (µg/m3)
CO 0.74 (mg/m3)
NO2 17.5 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
19-04-2026 19:01:25
PM - 2.5 14 (µg/m3)
PM - 10 44 (µg/m3)
SO2 5.1 (µg/m3)
CO 0.30 (mg/m3)
NO2 23.9 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
19-04-2026 19:08:46
PM - 2.5 60.64 (µg/m3)
PM - 10 255.98 (µg/m3)
SO2 7.75 (µg/m3)
CO 4.05 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
19-04-2026 19:08:29
PM - 2.5 73.54 (µg/m3)
PM - 10 230.3 (µg/m3)
SO2 18.86 (µg/m3)
CO 1.20 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
19-04-2026 19:00:51
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.16 (mg/m3)
NO2 103.31 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
19-04-2026 19:08:35
PM - 2.5 159 (µg/m3)
PM - 10 858.6 (µg/m3)
SO2 11.97 (µg/m3)
CO 0.53 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
19-04-2026 19:08:35
PM - 2.5 199.44 (µg/m3)
PM - 10 913.6 (µg/m3)
SO2 25.2 (µg/m3)
CO 2.21 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
19-04-2026 19:08:28
PM - 2.5 .58 (µg/m3)
PM - 10 0 (µg/m3)
SO2 5.69 (µg/m3)
CO 0.46 (mg/m3)
NO2 2.36 (µg/m3)
Northern Coalfields Limited
NCL_CETI
19-04-2026 19:03:19
PM - 2.5 82.18 (µg/m3)
PM - 10 141.69 (µg/m3)
SO2 29.94 (µg/m3)
CO 3.63 (mg/m3)
NO2 33.67 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
19-04-2026 19:00:12
PM - 2.5 41.9 (µg/m3)
PM - 10 104.4 (µg/m3)
SO2 .61 (µg/m3)
CO 0.50 (mg/m3)
NO2 1.31 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
19-04-2026 19:07:05
PM - 2.5 53.2 (µg/m3)
PM - 10 111.64 (µg/m3)
SO2 19.76 (µg/m3)
CO 0.67 (mg/m3)
NO2 11.56 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
19-04-2026 19:04:04
PM - 2.5 52.88 (µg/m3)
PM - 10 90.2 (µg/m3)
SO2 10.48 (µg/m3)
CO 0.44 (mg/m3)
NO2 4.31 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
19-04-2026 19:01:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 57.27 (µg/m3)
SO2 7.07 (µg/m3)
CO 0.50 (mg/m3)
NO2 16.62 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
19-04-2026 19:07:59
PM - 2.5 44 (µg/m3)
PM - 10 78 (µg/m3)
SO2 9.5 (µg/m3)
CO 0.49 (mg/m3)
NO2 11.1 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
19-04-2026 19:00:17
PM - 2.5 60.54 (µg/m3)
PM - 10 (µg/m3)
SO2 56.91 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
19-04-2026 19:08:31
PM - 2.5 126.33 (µg/m3)
PM - 10 251.48 (µg/m3)
SO2 108.33 (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 Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	90.97
19-APR-2026	South Eastern Coalfields Limited	SECL_KUSMUNDA	60	2,147,483.75

1 - 2

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	235.56
19-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	112.01
19-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	236.73

1 - 3

CAAQMS Data

1 - 10 of 7,007

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 19:08	19-APR-2026 13:37	60.64	255.98	7.75	-	4.05	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 19:08	19-APR-2026 13:38	199.44	913.60	25.20	-	2.21	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	19-APR-2026 19:08	19-APR-2026 13:34	73.54	230.30	18.86	-	1.20	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 19:08	19-APR-2026 13:36	61.30	258.71	7.27	-	3.64	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 19:08	19-APR-2026 13:38	199.98	915.91	26.02	-	2.21	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	19-APR-2026 19:07	19-APR-2026 13:34	73.81	232.50	18.40	-	1.20	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 19:07	19-APR-2026 13:36	61.86	261.89	7.21	-	3.11	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 19:07	19-APR-2026 13:37	200.59	917.46	24.46	-	2.21	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	19-APR-2026 19:07	19-APR-2026 13:33	73.97	235.00	18.32	-	1.20	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 19:07	19-APR-2026 13:35	62.25	264.74	7.51	-	3.14	site_3509	Thermo Fisher Scientific India Private Limited

1 - 10 of 7,007

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