Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 21:48:47
PM - 2.5 25.77 (µg/m3)
PM - 10 132.68 (µg/m3)
SO2 9.13 (µg/m3)
CO 6.51 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 21:45:50
PM - 2.5 24.88 (µg/m3)
PM - 10 65.25 (µg/m3)
SO2 35.18 (µg/m3)
CO 0.24 (mg/m3)
NO2 19.51 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
18-04-2026 21:48:32
PM - 2.5 54 (µg/m3)
PM - 10 108 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.42 (mg/m3)
NO2 12 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 21:48:29
PM - 2.5 67.65 (µg/m3)
PM - 10 187.86 (µg/m3)
SO2 12.13 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
18-04-2026 21:45:16
PM - 2.5 2.36 (µg/m3)
PM - 10 (µg/m3)
SO2 5.47 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 21:48:48
PM - 2.5 23 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.9 (µg/m3)
CO 0.71 (mg/m3)
NO2 17.5 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
18-04-2026 21:48:45
PM - 2.5 30 (µg/m3)
PM - 10 46 (µg/m3)
SO2 5.2 (µg/m3)
CO 0.37 (mg/m3)
NO2 24.5 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 21:48:23
PM - 2.5 61.26 (µg/m3)
PM - 10 263.57 (µg/m3)
SO2 13.21 (µg/m3)
CO 3.70 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 21:48:32
PM - 2.5 48.03 (µg/m3)
PM - 10 208.7 (µg/m3)
SO2 19.01 (µg/m3)
CO 1.72 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S Ukni Opencast Mine
18-04-2026 21:48:44
PM - 2.5 73.2 (µg/m3)
PM - 10 128.39 (µg/m3)
SO2 18.03 (µg/m3)
CO 2.18 (mg/m3)
NO2 .79 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 21:45:51
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.12 (mg/m3)
NO2 130.3 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
18-04-2026 21:48:36
PM - 2.5 132.2 (µg/m3)
PM - 10 625.8 (µg/m3)
SO2 33.72 (µg/m3)
CO 0.55 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
18-04-2026 21:48:40
PM - 2.5 323.25 (µg/m3)
PM - 10 1000 (µg/m3)
SO2 32.44 (µg/m3)
CO 3.69 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
18-04-2026 21:48:19
PM - 2.5 71.73 (µg/m3)
PM - 10 123.67 (µg/m3)
SO2 25.62 (µg/m3)
CO 4.16 (mg/m3)
NO2 33.65 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
18-04-2026 21:45:33
PM - 2.5 63.8 (µg/m3)
PM - 10 144.2 (µg/m3)
SO2 0 (µg/m3)
CO 0.79 (mg/m3)
NO2 1.58 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 21:37:04
PM - 2.5 40.9 (µg/m3)
PM - 10 75.67 (µg/m3)
SO2 18.25 (µg/m3)
CO 0.44 (mg/m3)
NO2 7.88 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 21:33:59
PM - 2.5 50.74 (µg/m3)
PM - 10 86.92 (µg/m3)
SO2 9.9 (µg/m3)
CO 0.35 (mg/m3)
NO2 3.54 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
18-04-2026 21:46:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 61 (µg/m3)
SO2 0 (µg/m3)
CO 0.53 (mg/m3)
NO2 16.86 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 21:48:29
PM - 2.5 35 (µg/m3)
PM - 10 62 (µg/m3)
SO2 10.2 (µg/m3)
CO 0.48 (mg/m3)
NO2 10.3 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 21:45:57
PM - 2.5 37.02 (µg/m3)
PM - 10 (µg/m3)
SO2 33.46 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 21:48:43
PM - 2.5 85.9 (µg/m3)
PM - 10 97.45 (µg/m3)
SO2 17.28 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 21:48:47
PM - 2.5 25.77 (µg/m3)
PM - 10 132.68 (µg/m3)
SO2 9.13 (µg/m3)
CO 6.51 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 21:45:50
PM - 2.5 24.88 (µg/m3)
PM - 10 65.25 (µg/m3)
SO2 35.18 (µg/m3)
CO 0.24 (mg/m3)
NO2 19.51 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
18-04-2026 21:48:32
PM - 2.5 54 (µg/m3)
PM - 10 108 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.42 (mg/m3)
NO2 12 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 21:48:29
PM - 2.5 67.65 (µg/m3)
PM - 10 187.86 (µg/m3)
SO2 12.13 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
18-04-2026 21:45:16
PM - 2.5 2.36 (µg/m3)
PM - 10 (µg/m3)
SO2 5.47 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 21:48:48
PM - 2.5 23 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.9 (µg/m3)
CO 0.71 (mg/m3)
NO2 17.5 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
18-04-2026 21:48:45
PM - 2.5 30 (µg/m3)
PM - 10 46 (µg/m3)
SO2 5.2 (µg/m3)
CO 0.37 (mg/m3)
NO2 24.5 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 21:48:23
PM - 2.5 61.26 (µg/m3)
PM - 10 263.57 (µg/m3)
SO2 13.21 (µg/m3)
CO 3.70 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 21:48:32
PM - 2.5 48.03 (µg/m3)
PM - 10 208.7 (µg/m3)
SO2 19.01 (µg/m3)
CO 1.72 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S Ukni Opencast Mine
18-04-2026 21:48:44
PM - 2.5 73.2 (µg/m3)
PM - 10 128.39 (µg/m3)
SO2 18.03 (µg/m3)
CO 2.18 (mg/m3)
NO2 .79 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 21:45:51
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.12 (mg/m3)
NO2 130.3 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
18-04-2026 21:48:36
PM - 2.5 132.2 (µg/m3)
PM - 10 625.8 (µg/m3)
SO2 33.72 (µg/m3)
CO 0.55 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
18-04-2026 21:48:40
PM - 2.5 323.25 (µg/m3)
PM - 10 1000 (µg/m3)
SO2 32.44 (µg/m3)
CO 3.69 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
18-04-2026 21:48:19
PM - 2.5 71.73 (µg/m3)
PM - 10 123.67 (µg/m3)
SO2 25.62 (µg/m3)
CO 4.16 (mg/m3)
NO2 33.65 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
18-04-2026 21:45:33
PM - 2.5 63.8 (µg/m3)
PM - 10 144.2 (µg/m3)
SO2 0 (µg/m3)
CO 0.79 (mg/m3)
NO2 1.58 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 21:37:04
PM - 2.5 40.9 (µg/m3)
PM - 10 75.67 (µg/m3)
SO2 18.25 (µg/m3)
CO 0.44 (mg/m3)
NO2 7.88 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 21:33:59
PM - 2.5 50.74 (µg/m3)
PM - 10 86.92 (µg/m3)
SO2 9.9 (µg/m3)
CO 0.35 (mg/m3)
NO2 3.54 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
18-04-2026 21:46:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 61 (µg/m3)
SO2 0 (µg/m3)
CO 0.53 (mg/m3)
NO2 16.86 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 21:48:29
PM - 2.5 35 (µg/m3)
PM - 10 62 (µg/m3)
SO2 10.2 (µg/m3)
CO 0.48 (mg/m3)
NO2 10.3 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 21:45:57
PM - 2.5 37.02 (µg/m3)
PM - 10 (µg/m3)
SO2 33.46 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 21:48:43
PM - 2.5 85.9 (µg/m3)
PM - 10 97.45 (µg/m3)
SO2 17.28 (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	81.64
18-APR-2026	South Eastern Coalfields Limited	SECL_KUSMUNDA	60	40,556.25

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	174.53
18-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	117.53
18-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	207.35

1 - 3

CAAQMS Data

1 - 10 of 7,547

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	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	18-APR-2026 21:48	18-APR-2026 16:18	323.25	1,000.00	32.44	-	3.69	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 21:48	18-APR-2026 16:14	48.03	208.70	19.01	-	1.72	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 21:48	18-APR-2026 16:16	61.26	263.57	13.21	-	3.70	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 21:48	18-APR-2026 16:18	325.80	1,000.00	29.99	-	3.70	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 21:48	18-APR-2026 16:14	47.82	207.70	18.79	-	1.72	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 21:47	18-APR-2026 16:16	61.03	264.15	13.43	-	3.71	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 21:47	18-APR-2026 16:17	327.84	1,000.00	30.90	-	3.67	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 21:47	18-APR-2026 16:13	47.59	206.40	18.67	-	1.73	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 21:47	18-APR-2026 16:15	60.60	265.04	13.75	-	3.72	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 21:47	18-APR-2026 16:17	329.95	1,000.00	30.77	-	3.69	site_5664	Thermo Fisher Scientific India Private Limited

1 - 10 of 7,547

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