Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 15:03:11
PM - 2.5 14.31 (µg/m3)
PM - 10 71.53 (µg/m3)
SO2 28.33 (µg/m3)
CO 2.85 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 15:00:35
PM - 2.5 21.84 (µg/m3)
PM - 10 45.01 (µg/m3)
SO2 31.46 (µg/m3)
CO 0.00 (mg/m3)
NO2 5.13 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
18-04-2026 15:03:26
PM - 2.5 49 (µg/m3)
PM - 10 106 (µg/m3)
SO2 4.6 (µg/m3)
CO 0.04 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 15:03:21
PM - 2.5 23.81 (µg/m3)
PM - 10 108.19 (µg/m3)
SO2 54.06 (µg/m3)
CO 0.92 (mg/m3)
NO2 10.01 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
18-04-2026 15:00:15
PM - 2.5 90.37 (µg/m3)
PM - 10 (µg/m3)
SO2 44.32 (µg/m3)
CO 2.39 (mg/m3)
NO2 5.7 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 15:02:58
PM - 2.5 29 (µg/m3)
PM - 10 58 (µg/m3)
SO2 10.6 (µg/m3)
CO 0.49 (mg/m3)
NO2 17.7 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
18-04-2026 15:03:09
PM - 2.5 22 (µg/m3)
PM - 10 34 (µg/m3)
SO2 5.3 (µg/m3)
CO 0.30 (mg/m3)
NO2 24.5 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 15:03:16
PM - 2.5 .27 (µg/m3)
PM - 10 123.24 (µg/m3)
SO2 14.8 (µg/m3)
CO 3.00 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 15:03:04
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 38.67 (µg/m3)
CO 2.18 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 15:00:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.90 (mg/m3)
NO2 315.06 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
18-04-2026 15:03:05
PM - 2.5 37.01 (µg/m3)
PM - 10 120.4 (µg/m3)
SO2 17.72 (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
18-04-2026 15:03:18
PM - 2.5 66.45 (µg/m3)
PM - 10 103.62 (µg/m3)
SO2 27.27 (µg/m3)
CO 1.68 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
18-04-2026 15:03:19
PM - 2.5 15.66 (µg/m3)
PM - 10 0 (µg/m3)
SO2 9.2 (µg/m3)
CO 0.10 (mg/m3)
NO2 1.76 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
18-04-2026 15:00:44
PM - 2.5 49.5 (µg/m3)
PM - 10 144.7 (µg/m3)
SO2 1.48 (µg/m3)
CO 0.55 (mg/m3)
NO2 2.33 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 14:52:03
PM - 2.5 41.9 (µg/m3)
PM - 10 78.54 (µg/m3)
SO2 18.37 (µg/m3)
CO 0.46 (mg/m3)
NO2 8.18 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 14:48:57
PM - 2.5 55.34 (µg/m3)
PM - 10 93.97 (µg/m3)
SO2 11.14 (µg/m3)
CO 0.55 (mg/m3)
NO2 5.19 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
18-04-2026 15:01:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 63.23 (µg/m3)
SO2 0 (µg/m3)
CO 0.55 (mg/m3)
NO2 16.84 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 15:03:27
PM - 2.5 38 (µg/m3)
PM - 10 67 (µg/m3)
SO2 9 (µg/m3)
CO 0.26 (mg/m3)
NO2 10.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 15:00:43
PM - 2.5 14 (µg/m3)
PM - 10 (µg/m3)
SO2 10.63 (µg/m3)
CO 0.95 (mg/m3)
NO2 80.41 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 15:03:10
PM - 2.5 58.43 (µg/m3)
PM - 10 132.83 (µg/m3)
SO2 44.48 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 15:03:11
PM - 2.5 14.31 (µg/m3)
PM - 10 71.53 (µg/m3)
SO2 28.33 (µg/m3)
CO 2.85 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 15:00:35
PM - 2.5 21.84 (µg/m3)
PM - 10 45.01 (µg/m3)
SO2 31.46 (µg/m3)
CO 0.00 (mg/m3)
NO2 5.13 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
18-04-2026 15:03:26
PM - 2.5 49 (µg/m3)
PM - 10 106 (µg/m3)
SO2 4.6 (µg/m3)
CO 0.04 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 15:03:21
PM - 2.5 23.81 (µg/m3)
PM - 10 108.19 (µg/m3)
SO2 54.06 (µg/m3)
CO 0.92 (mg/m3)
NO2 10.01 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
18-04-2026 15:00:15
PM - 2.5 90.37 (µg/m3)
PM - 10 (µg/m3)
SO2 44.32 (µg/m3)
CO 2.39 (mg/m3)
NO2 5.7 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 15:02:58
PM - 2.5 29 (µg/m3)
PM - 10 58 (µg/m3)
SO2 10.6 (µg/m3)
CO 0.49 (mg/m3)
NO2 17.7 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
18-04-2026 15:03:09
PM - 2.5 22 (µg/m3)
PM - 10 34 (µg/m3)
SO2 5.3 (µg/m3)
CO 0.30 (mg/m3)
NO2 24.5 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 15:03:16
PM - 2.5 .27 (µg/m3)
PM - 10 123.24 (µg/m3)
SO2 14.8 (µg/m3)
CO 3.00 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 15:03:04
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 38.67 (µg/m3)
CO 2.18 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 15:00:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.90 (mg/m3)
NO2 315.06 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
18-04-2026 15:03:05
PM - 2.5 37.01 (µg/m3)
PM - 10 120.4 (µg/m3)
SO2 17.72 (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
18-04-2026 15:03:18
PM - 2.5 66.45 (µg/m3)
PM - 10 103.62 (µg/m3)
SO2 27.27 (µg/m3)
CO 1.68 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
18-04-2026 15:03:19
PM - 2.5 15.66 (µg/m3)
PM - 10 0 (µg/m3)
SO2 9.2 (µg/m3)
CO 0.10 (mg/m3)
NO2 1.76 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
18-04-2026 15:00:44
PM - 2.5 49.5 (µg/m3)
PM - 10 144.7 (µg/m3)
SO2 1.48 (µg/m3)
CO 0.55 (mg/m3)
NO2 2.33 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 14:52:03
PM - 2.5 41.9 (µg/m3)
PM - 10 78.54 (µg/m3)
SO2 18.37 (µg/m3)
CO 0.46 (mg/m3)
NO2 8.18 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 14:48:57
PM - 2.5 55.34 (µg/m3)
PM - 10 93.97 (µg/m3)
SO2 11.14 (µg/m3)
CO 0.55 (mg/m3)
NO2 5.19 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
18-04-2026 15:01:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 63.23 (µg/m3)
SO2 0 (µg/m3)
CO 0.55 (mg/m3)
NO2 16.84 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 15:03:27
PM - 2.5 38 (µg/m3)
PM - 10 67 (µg/m3)
SO2 9 (µg/m3)
CO 0.26 (mg/m3)
NO2 10.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 15:00:43
PM - 2.5 14 (µg/m3)
PM - 10 (µg/m3)
SO2 10.63 (µg/m3)
CO 0.95 (mg/m3)
NO2 80.41 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 15:03:10
PM - 2.5 58.43 (µg/m3)
PM - 10 132.83 (µg/m3)
SO2 44.48 (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)
18-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	70.37
18-APR-2026	South Eastern Coalfields Limited	SECL_KUSMUNDA	60	222,187.93

1 - 2

Record Date	Company name	Mine name	Permissible Limit (µg/m3)	Average PM - 10 (µg/m3)
18-APR-2026	South Eastern Coalfields Limited	M/S Kanchan OC Coal Mine	100	178.59
18-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	111.31
18-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	180.63

1 - 3

CAAQMS Data

1 - 10 of 5,344

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	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 15:03	18-APR-2026 09:29	0.00	0.00	38.33	-	2.17	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	18-APR-2026 15:03	18-APR-2026 09:33	66.45	103.62	27.27	-	1.68	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 15:03	18-APR-2026 09:31	0.27	123.24	14.80	-	3.00	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 15:03	18-APR-2026 09:29	0.00	0.00	38.67	-	2.18	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 15:02	18-APR-2026 09:31	0.30	122.53	14.88	-	2.98	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	18-APR-2026 15:02	18-APR-2026 09:32	66.27	103.34	27.04	-	1.67	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 15:02	18-APR-2026 09:28	0.00	0.00	39.16	-	2.18	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 15:02	18-APR-2026 09:30	0.33	122.02	14.98	-	3.01	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	18-APR-2026 15:02	18-APR-2026 09:32	66.00	102.99	29.53	-	1.67	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 15:02	18-APR-2026 09:28	0.00	0.00	39.95	-	2.18	site_5720	Thermo Fisher Scientific India Private Limited

1 - 10 of 5,344

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