Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
19-04-2026 13:01:02
PM - 2.5 43.25 (µg/m3)
PM - 10 157.9 (µg/m3)
SO2 7.68 (µg/m3)
CO 2.10 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
19-04-2026 12:47:35
PM - 2.5 27.33 (µg/m3)
PM - 10 12.25 (µg/m3)
SO2 17.94 (µg/m3)
CO 0.26 (mg/m3)
NO2 1.54 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
19-04-2026 13:00:05
PM - 2.5 26.52 (µg/m3)
PM - 10 56.55 (µg/m3)
SO2 28.31 (µg/m3)
CO 0.16 (mg/m3)
NO2 15.2 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
19-04-2026 13:01:19
PM - 2.5 51.01 (µg/m3)
PM - 10 154.74 (µg/m3)
SO2 439.62 (µg/m3)
CO 0.99 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
19-04-2026 13:00:02
PM - 2.5 2.26 (µg/m3)
PM - 10 (µg/m3)
SO2 5.37 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
19-04-2026 13:00:45
PM - 2.5 20 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.5 (µg/m3)
CO 0.82 (mg/m3)
NO2 17.6 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
19-04-2026 13:01:16
PM - 2.5 19 (µg/m3)
PM - 10 30 (µg/m3)
SO2 5.3 (µg/m3)
CO 0.30 (mg/m3)
NO2 24.4 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
19-04-2026 13:01:12
PM - 2.5 58.32 (µg/m3)
PM - 10 198.28 (µg/m3)
SO2 13.26 (µg/m3)
CO 3.08 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
19-04-2026 13:00:53
PM - 2.5 21.59 (µg/m3)
PM - 10 11.9 (µg/m3)
SO2 21.12 (µg/m3)
CO 1.47 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
19-04-2026 13:00:51
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.31 (mg/m3)
NO2 148.25 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
19-04-2026 13:01:06
PM - 2.5 80.95 (µg/m3)
PM - 10 183.9 (µg/m3)
SO2 12.63 (µg/m3)
CO 0.51 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
19-04-2026 13:00:56
PM - 2.5 75.21 (µg/m3)
PM - 10 193.58 (µg/m3)
SO2 31.97 (µg/m3)
CO 2.06 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
19-04-2026 12:48:17
PM - 2.5 149.44 (µg/m3)
PM - 10 257.66 (µg/m3)
SO2 46.39 (µg/m3)
CO 3.57 (mg/m3)
NO2 33.7 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
19-04-2026 13:00:39
PM - 2.5 44.8 (µg/m3)
PM - 10 150.8 (µg/m3)
SO2 .48 (µg/m3)
CO 0.41 (mg/m3)
NO2 1.38 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
19-04-2026 12:52:04
PM - 2.5 40.3 (µg/m3)
PM - 10 73.97 (µg/m3)
SO2 18.18 (µg/m3)
CO 0.43 (mg/m3)
NO2 7.71 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
19-04-2026 12:49:03
PM - 2.5 52.93 (µg/m3)
PM - 10 90.27 (µg/m3)
SO2 10.49 (µg/m3)
CO 0.45 (mg/m3)
NO2 4.32 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
19-04-2026 13:01:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 56.56 (µg/m3)
SO2 0 (µg/m3)
CO 0.49 (mg/m3)
NO2 16.82 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
19-04-2026 13:00:57
PM - 2.5 42 (µg/m3)
PM - 10 73 (µg/m3)
SO2 9 (µg/m3)
CO 0.40 (mg/m3)
NO2 11.2 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
19-04-2026 13:00:27
PM - 2.5 29.83 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO ##### (mg/m3)
NO2 16.04 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
19-04-2026 13:00:53
PM - 2.5 18.14 (µg/m3)
PM - 10 87.61 (µg/m3)
SO2 74.43 (µg/m3)
CO 2.20 (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
19-04-2026 13:01:02
PM - 2.5 43.25 (µg/m3)
PM - 10 157.9 (µg/m3)
SO2 7.68 (µg/m3)
CO 2.10 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
19-04-2026 12:47:35
PM - 2.5 27.33 (µg/m3)
PM - 10 12.25 (µg/m3)
SO2 17.94 (µg/m3)
CO 0.26 (mg/m3)
NO2 1.54 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
19-04-2026 13:00:05
PM - 2.5 26.52 (µg/m3)
PM - 10 56.55 (µg/m3)
SO2 28.31 (µg/m3)
CO 0.16 (mg/m3)
NO2 15.2 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
19-04-2026 13:01:19
PM - 2.5 51.01 (µg/m3)
PM - 10 154.74 (µg/m3)
SO2 439.62 (µg/m3)
CO 0.99 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
19-04-2026 13:00:02
PM - 2.5 2.26 (µg/m3)
PM - 10 (µg/m3)
SO2 5.37 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
19-04-2026 13:00:45
PM - 2.5 20 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.5 (µg/m3)
CO 0.82 (mg/m3)
NO2 17.6 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
19-04-2026 13:01:16
PM - 2.5 19 (µg/m3)
PM - 10 30 (µg/m3)
SO2 5.3 (µg/m3)
CO 0.30 (mg/m3)
NO2 24.4 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
19-04-2026 13:01:12
PM - 2.5 58.32 (µg/m3)
PM - 10 198.28 (µg/m3)
SO2 13.26 (µg/m3)
CO 3.08 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
19-04-2026 13:00:53
PM - 2.5 21.59 (µg/m3)
PM - 10 11.9 (µg/m3)
SO2 21.12 (µg/m3)
CO 1.47 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
19-04-2026 13:00:51
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.31 (mg/m3)
NO2 148.25 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
19-04-2026 13:01:06
PM - 2.5 80.95 (µg/m3)
PM - 10 183.9 (µg/m3)
SO2 12.63 (µg/m3)
CO 0.51 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
19-04-2026 13:00:56
PM - 2.5 75.21 (µg/m3)
PM - 10 193.58 (µg/m3)
SO2 31.97 (µg/m3)
CO 2.06 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
19-04-2026 12:48:17
PM - 2.5 149.44 (µg/m3)
PM - 10 257.66 (µg/m3)
SO2 46.39 (µg/m3)
CO 3.57 (mg/m3)
NO2 33.7 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
19-04-2026 13:00:39
PM - 2.5 44.8 (µg/m3)
PM - 10 150.8 (µg/m3)
SO2 .48 (µg/m3)
CO 0.41 (mg/m3)
NO2 1.38 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
19-04-2026 12:52:04
PM - 2.5 40.3 (µg/m3)
PM - 10 73.97 (µg/m3)
SO2 18.18 (µg/m3)
CO 0.43 (mg/m3)
NO2 7.71 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
19-04-2026 12:49:03
PM - 2.5 52.93 (µg/m3)
PM - 10 90.27 (µg/m3)
SO2 10.49 (µg/m3)
CO 0.45 (mg/m3)
NO2 4.32 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
19-04-2026 13:01:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 56.56 (µg/m3)
SO2 0 (µg/m3)
CO 0.49 (mg/m3)
NO2 16.82 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
19-04-2026 13:00:57
PM - 2.5 42 (µg/m3)
PM - 10 73 (µg/m3)
SO2 9 (µg/m3)
CO 0.40 (mg/m3)
NO2 11.2 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
19-04-2026 13:00:27
PM - 2.5 29.83 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO ##### (mg/m3)
NO2 16.04 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
19-04-2026 13:00:53
PM - 2.5 18.14 (µg/m3)
PM - 10 87.61 (µg/m3)
SO2 74.43 (µg/m3)
CO 2.20 (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	68.13
19-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	60	66.57
19-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	94.98
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	190.27
19-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	133.42
19-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	234.97

1 - 3

CAAQMS Data

1 - 10 of 4,753

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	SECL,Kusmunda	SECL_KUSMUNDA	19-APR-2026 13:01	19-APR-2026 13:00	2,147,483.75	56.56	0.00	16.82	0.49	site_1963	Envea India Pvt Ltd
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 13:01	19-APR-2026 07:29	58.32	198.28	13.26	-	3.08	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 13:00	19-APR-2026 07:30	75.21	193.58	31.97	-	2.06	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	19-APR-2026 13:00	19-APR-2026 07:27	21.59	11.90	21.12	-	1.47	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 13:00	19-APR-2026 07:29	58.70	197.94	13.66	-	3.06	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Bilaspur, CHHATTISGARHr	South Eastern Coalfields Limited - AQMS_H_Q	19-APR-2026 13:00	19-APR-2026 07:29	29.83	-	0.00	16.04	289.40	site_5592	Swan Environ
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	19-APR-2026 13:00	19-APR-2026 07:26	21.13	11.35	21.27	-	1.47	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 13:00	19-APR-2026 07:28	59.06	197.64	13.60	-	3.12	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 12:59	19-APR-2026 07:29	78.61	195.95	30.38	-	2.08	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	19-APR-2026 12:59	19-APR-2026 07:26	20.65	10.65	21.34	-	1.47	site_5720	Thermo Fisher Scientific India Private Limited

1 - 10 of 4,753

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