Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
19-04-2026 00:08:20
PM - 2.5 46.23 (µg/m3)
PM - 10 233.59 (µg/m3)
SO2 7.44 (µg/m3)
CO 6.93 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
19-04-2026 00:00:50
PM - 2.5 29.99 (µg/m3)
PM - 10 75.74 (µg/m3)
SO2 29.74 (µg/m3)
CO 0.35 (mg/m3)
NO2 18.49 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
19-04-2026 00:08:03
PM - 2.5 35 (µg/m3)
PM - 10 69 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.90 (mg/m3)
NO2 12.9 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
19-04-2026 00:08:04
PM - 2.5 105.71 (µg/m3)
PM - 10 180.86 (µg/m3)
SO2 3.36 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
19-04-2026 00:00:37
PM - 2.5 2.29 (µg/m3)
PM - 10 (µg/m3)
SO2 5.3 (µg/m3)
CO ##### (mg/m3)
NO2 .46 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
19-04-2026 00:08:19
PM - 2.5 22 (µg/m3)
PM - 10 110 (µg/m3)
SO2 10 (µg/m3)
CO 0.88 (mg/m3)
NO2 17.5 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
19-04-2026 00:08:21
PM - 2.5 23 (µg/m3)
PM - 10 36 (µg/m3)
SO2 5.2 (µg/m3)
CO 0.35 (mg/m3)
NO2 25.6 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
19-04-2026 00:08:26
PM - 2.5 51.11 (µg/m3)
PM - 10 186.96 (µg/m3)
SO2 41.65 (µg/m3)
CO 4.43 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
19-04-2026 00:08:05
PM - 2.5 102.8 (µg/m3)
PM - 10 181.5 (µg/m3)
SO2 21.63 (µg/m3)
CO 3.94 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S Ukni Opencast Mine
19-04-2026 00:08:16
PM - 2.5 102.28 (µg/m3)
PM - 10 191.04 (µg/m3)
SO2 18.82 (µg/m3)
CO 2.31 (mg/m3)
NO2 .8 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
19-04-2026 00:00:51
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.79 (mg/m3)
NO2 985.01 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
19-04-2026 00:08:05
PM - 2.5 130.7 (µg/m3)
PM - 10 458.9 (µg/m3)
SO2 26.86 (µg/m3)
CO 0.56 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
19-04-2026 00:08:15
PM - 2.5 109.85 (µg/m3)
PM - 10 243.5 (µg/m3)
SO2 28.06 (µg/m3)
CO 2.75 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
19-04-2026 00:03:31
PM - 2.5 112.08 (µg/m3)
PM - 10 193.24 (µg/m3)
SO2 33.17 (µg/m3)
CO 3.92 (mg/m3)
NO2 33.65 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
19-04-2026 00:00:53
PM - 2.5 78.4 (µg/m3)
PM - 10 346.3 (µg/m3)
SO2 .13 (µg/m3)
CO 1.29 (mg/m3)
NO2 1.81 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
19-04-2026 00:07:04
PM - 2.5 .1 (µg/m3)
PM - 10 0 (µg/m3)
SO2 5 (µg/m3)
CO 0.46 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
19-04-2026 00:03:59
PM - 2.5 54.33 (µg/m3)
PM - 10 92.41 (µg/m3)
SO2 10.87 (µg/m3)
CO 0.51 (mg/m3)
NO2 4.82 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
19-04-2026 00:01:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 54.25 (µg/m3)
SO2 0 (µg/m3)
CO 0.47 (mg/m3)
NO2 16.86 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
19-04-2026 00:08:03
PM - 2.5 37 (µg/m3)
PM - 10 66 (µg/m3)
SO2 10.7 (µg/m3)
CO 0.45 (mg/m3)
NO2 9.4 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
19-04-2026 00:00:37
PM - 2.5 28.85 (µg/m3)
PM - 10 (µg/m3)
SO2 32 (µg/m3)
CO 0.00 (mg/m3)
NO2 55.37 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
19-04-2026 00:08:18
PM - 2.5 21.7 (µg/m3)
PM - 10 42.46 (µg/m3)
SO2 8.27 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
19-04-2026 00:08:20
PM - 2.5 46.23 (µg/m3)
PM - 10 233.59 (µg/m3)
SO2 7.44 (µg/m3)
CO 6.93 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
19-04-2026 00:00:50
PM - 2.5 29.99 (µg/m3)
PM - 10 75.74 (µg/m3)
SO2 29.74 (µg/m3)
CO 0.35 (mg/m3)
NO2 18.49 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
19-04-2026 00:08:03
PM - 2.5 35 (µg/m3)
PM - 10 69 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.90 (mg/m3)
NO2 12.9 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
19-04-2026 00:08:04
PM - 2.5 105.71 (µg/m3)
PM - 10 180.86 (µg/m3)
SO2 3.36 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
19-04-2026 00:00:37
PM - 2.5 2.29 (µg/m3)
PM - 10 (µg/m3)
SO2 5.3 (µg/m3)
CO ##### (mg/m3)
NO2 .46 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
19-04-2026 00:08:19
PM - 2.5 22 (µg/m3)
PM - 10 110 (µg/m3)
SO2 10 (µg/m3)
CO 0.88 (mg/m3)
NO2 17.5 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
19-04-2026 00:08:21
PM - 2.5 23 (µg/m3)
PM - 10 36 (µg/m3)
SO2 5.2 (µg/m3)
CO 0.35 (mg/m3)
NO2 25.6 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
19-04-2026 00:08:26
PM - 2.5 51.11 (µg/m3)
PM - 10 186.96 (µg/m3)
SO2 41.65 (µg/m3)
CO 4.43 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
19-04-2026 00:08:05
PM - 2.5 102.8 (µg/m3)
PM - 10 181.5 (µg/m3)
SO2 21.63 (µg/m3)
CO 3.94 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S Ukni Opencast Mine
19-04-2026 00:08:16
PM - 2.5 102.28 (µg/m3)
PM - 10 191.04 (µg/m3)
SO2 18.82 (µg/m3)
CO 2.31 (mg/m3)
NO2 .8 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
19-04-2026 00:00:51
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.79 (mg/m3)
NO2 985.01 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
19-04-2026 00:08:05
PM - 2.5 130.7 (µg/m3)
PM - 10 458.9 (µg/m3)
SO2 26.86 (µg/m3)
CO 0.56 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
19-04-2026 00:08:15
PM - 2.5 109.85 (µg/m3)
PM - 10 243.5 (µg/m3)
SO2 28.06 (µg/m3)
CO 2.75 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
19-04-2026 00:03:31
PM - 2.5 112.08 (µg/m3)
PM - 10 193.24 (µg/m3)
SO2 33.17 (µg/m3)
CO 3.92 (mg/m3)
NO2 33.65 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
19-04-2026 00:00:53
PM - 2.5 78.4 (µg/m3)
PM - 10 346.3 (µg/m3)
SO2 .13 (µg/m3)
CO 1.29 (mg/m3)
NO2 1.81 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
19-04-2026 00:07:04
PM - 2.5 .1 (µg/m3)
PM - 10 0 (µg/m3)
SO2 5 (µg/m3)
CO 0.46 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
19-04-2026 00:03:59
PM - 2.5 54.33 (µg/m3)
PM - 10 92.41 (µg/m3)
SO2 10.87 (µg/m3)
CO 0.51 (mg/m3)
NO2 4.82 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
19-04-2026 00:01:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 54.25 (µg/m3)
SO2 0 (µg/m3)
CO 0.47 (mg/m3)
NO2 16.86 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
19-04-2026 00:08:03
PM - 2.5 37 (µg/m3)
PM - 10 66 (µg/m3)
SO2 10.7 (µg/m3)
CO 0.45 (mg/m3)
NO2 9.4 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
19-04-2026 00:00:37
PM - 2.5 28.85 (µg/m3)
PM - 10 (µg/m3)
SO2 32 (µg/m3)
CO 0.00 (mg/m3)
NO2 55.37 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
19-04-2026 00:08:18
PM - 2.5 21.7 (µg/m3)
PM - 10 42.46 (µg/m3)
SO2 8.27 (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	101.35
19-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	108.56
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	194.74
19-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	180.54
19-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	250.76

1 - 3

CAAQMS Data

1 - 10 of 50

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 00:08	18-APR-2026 18:36	51.11	186.96	41.65	-	4.43	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 00:08	18-APR-2026 18:38	109.85	243.50	28.06	-	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 00:08	18-APR-2026 18:34	102.80	181.50	21.63	-	3.94	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 00:07	18-APR-2026 18:36	51.57	188.06	39.64	-	5.25	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 00:07	18-APR-2026 18:37	109.76	244.52	30.05	-	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 00:07	18-APR-2026 18:33	102.70	181.40	21.74	-	3.88	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 00:07	18-APR-2026 18:35	52.30	189.30	35.69	-	5.87	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 00:07	18-APR-2026 18:37	109.59	245.77	28.17	-	2.80	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	19-APR-2026 00:07	18-APR-2026 18:33	102.60	181.30	21.44	-	3.81	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Gevra , Chattisgarh	SECL GEVRA	19-APR-2026 00:07	19-APR-2026 00:00	0.10	0.00	5.00	0.00	0.46	site_	Envea India Pvt Ltd

1 - 10 of 50

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