Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 15:14:10
PM - 2.5 15.99 (µg/m3)
PM - 10 65.98 (µg/m3)
SO2 21.69 (µg/m3)
CO 2.32 (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 15:14:12
PM - 2.5 49 (µg/m3)
PM - 10 100 (µg/m3)
SO2 4.6 (µg/m3)
CO 0.26 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 15:14:21
PM - 2.5 22.2 (µg/m3)
PM - 10 106.9 (µg/m3)
SO2 7.69 (µg/m3)
CO 0.91 (mg/m3)
NO2 12.52 (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 15:14:13
PM - 2.5 29 (µg/m3)
PM - 10 58 (µg/m3)
SO2 15.1 (µg/m3)
CO 0.55 (mg/m3)
NO2 17.8 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
18-04-2026 15:14:10
PM - 2.5 22 (µg/m3)
PM - 10 34 (µg/m3)
SO2 5.4 (µg/m3)
CO 0.30 (mg/m3)
NO2 24.7 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 15:14:16
PM - 2.5 2.77 (µg/m3)
PM - 10 141.21 (µg/m3)
SO2 14.29 (µg/m3)
CO 2.99 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 15:14:34
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 26.08 (µg/m3)
CO 1.34 (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 15:14:36
PM - 2.5 36.26 (µg/m3)
PM - 10 132.1 (µg/m3)
SO2 21.77 (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 15:14:08
PM - 2.5 65.28 (µg/m3)
PM - 10 101.25 (µg/m3)
SO2 25.53 (µg/m3)
CO 1.67 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
18-04-2026 15:11:19
PM - 2.5 13.66 (µg/m3)
PM - 10 0 (µg/m3)
SO2 5.93 (µg/m3)
CO 0.13 (mg/m3)
NO2 2.05 (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 15:07:03
PM - 2.5 45.1 (µg/m3)
PM - 10 87.93 (µg/m3)
SO2 18.77 (µg/m3)
CO 0.52 (mg/m3)
NO2 9.13 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 15:03:57
PM - 2.5 56.36 (µg/m3)
PM - 10 95.53 (µg/m3)
SO2 11.42 (µg/m3)
CO 0.60 (mg/m3)
NO2 5.55 (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 15:14:28
PM - 2.5 38 (µg/m3)
PM - 10 67 (µg/m3)
SO2 9 (µg/m3)
CO 0.24 (mg/m3)
NO2 10.5 (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 15:14:10
PM - 2.5 57.01 (µg/m3)
PM - 10 121.19 (µg/m3)
SO2 37.07 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 15:14:10
PM - 2.5 15.99 (µg/m3)
PM - 10 65.98 (µg/m3)
SO2 21.69 (µg/m3)
CO 2.32 (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 15:14:12
PM - 2.5 49 (µg/m3)
PM - 10 100 (µg/m3)
SO2 4.6 (µg/m3)
CO 0.26 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 15:14:21
PM - 2.5 22.2 (µg/m3)
PM - 10 106.9 (µg/m3)
SO2 7.69 (µg/m3)
CO 0.91 (mg/m3)
NO2 12.52 (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 15:14:13
PM - 2.5 29 (µg/m3)
PM - 10 58 (µg/m3)
SO2 15.1 (µg/m3)
CO 0.55 (mg/m3)
NO2 17.8 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
18-04-2026 15:14:10
PM - 2.5 22 (µg/m3)
PM - 10 34 (µg/m3)
SO2 5.4 (µg/m3)
CO 0.30 (mg/m3)
NO2 24.7 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 15:14:16
PM - 2.5 2.77 (µg/m3)
PM - 10 141.21 (µg/m3)
SO2 14.29 (µg/m3)
CO 2.99 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 15:14:34
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 26.08 (µg/m3)
CO 1.34 (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 15:14:36
PM - 2.5 36.26 (µg/m3)
PM - 10 132.1 (µg/m3)
SO2 21.77 (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 15:14:08
PM - 2.5 65.28 (µg/m3)
PM - 10 101.25 (µg/m3)
SO2 25.53 (µg/m3)
CO 1.67 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
18-04-2026 15:11:19
PM - 2.5 13.66 (µg/m3)
PM - 10 0 (µg/m3)
SO2 5.93 (µg/m3)
CO 0.13 (mg/m3)
NO2 2.05 (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 15:07:03
PM - 2.5 45.1 (µg/m3)
PM - 10 87.93 (µg/m3)
SO2 18.77 (µg/m3)
CO 0.52 (mg/m3)
NO2 9.13 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 15:03:57
PM - 2.5 56.36 (µg/m3)
PM - 10 95.53 (µg/m3)
SO2 11.42 (µg/m3)
CO 0.60 (mg/m3)
NO2 5.55 (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 15:14:28
PM - 2.5 38 (µg/m3)
PM - 10 67 (µg/m3)
SO2 9 (µg/m3)
CO 0.24 (mg/m3)
NO2 10.5 (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 15:14:10
PM - 2.5 57.01 (µg/m3)
PM - 10 121.19 (µg/m3)
SO2 37.07 (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	70.31
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	178.05
18-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	109.66
18-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	179.72

1 - 3

CAAQMS Data

1 - 10 of 5,411

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 15:14	18-APR-2026 09:40	0.00	0.00	26.08	-	1.34	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 15:14	18-APR-2026 09:42	2.77	141.21	14.29	-	2.99	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 15:14	18-APR-2026 09:44	65.28	101.25	25.53	-	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 15:14	18-APR-2026 09:40	0.00	0.00	24.88	-	1.38	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 15:13	18-APR-2026 09:42	2.51	140.66	14.48	-	3.04	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 15:13	18-APR-2026 09:39	0.00	0.00	24.93	-	1.40	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 15:13	18-APR-2026 09:43	64.97	101.33	28.47	-	1.65	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 15:13	18-APR-2026 09:41	2.10	139.89	14.60	-	3.03	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 15:13	18-APR-2026 09:39	0.00	0.00	25.47	-	1.41	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 15:12	18-APR-2026 09:42	64.50	101.44	27.99	-	1.65	site_5664	Thermo Fisher Scientific India Private Limited

1 - 10 of 5,411

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