Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 23:06:19
PM - 2.5 33.32 (µg/m3)
PM - 10 156.07 (µg/m3)
SO2 7.51 (µg/m3)
CO 5.70 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 23:00:17
PM - 2.5 23.83 (µg/m3)
PM - 10 54.56 (µg/m3)
SO2 32.32 (µg/m3)
CO 0.31 (mg/m3)
NO2 18.49 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
18-04-2026 23:06:33
PM - 2.5 23 (µg/m3)
PM - 10 46 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.74 (mg/m3)
NO2 12.6 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 23:06:30
PM - 2.5 104.16 (µg/m3)
PM - 10 253.4 (µg/m3)
SO2 7.35 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
18-04-2026 23:00:21
PM - 2.5 2.31 (µg/m3)
PM - 10 (µg/m3)
SO2 5.36 (µg/m3)
CO ##### (mg/m3)
NO2 .29 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 23:06:04
PM - 2.5 24 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.9 (µg/m3)
CO 0.78 (mg/m3)
NO2 17.6 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
18-04-2026 23:06:20
PM - 2.5 28 (µg/m3)
PM - 10 42 (µg/m3)
SO2 5.2 (µg/m3)
CO 0.36 (mg/m3)
NO2 25.6 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 23:06:25
PM - 2.5 45.7 (µg/m3)
PM - 10 258.64 (µg/m3)
SO2 16.39 (µg/m3)
CO 3.78 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 23:06:34
PM - 2.5 35.8 (µg/m3)
PM - 10 121.5 (µg/m3)
SO2 18.46 (µg/m3)
CO 1.48 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S Ukni Opencast Mine
18-04-2026 23:06:16
PM - 2.5 130.04 (µg/m3)
PM - 10 300.22 (µg/m3)
SO2 18.31 (µg/m3)
CO 2.40 (mg/m3)
NO2 1.11 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 23:00:51
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
18-04-2026 23:06:34
PM - 2.5 187.8 (µg/m3)
PM - 10 927 (µg/m3)
SO2 35.15 (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 23:06:09
PM - 2.5 144.99 (µg/m3)
PM - 10 428.71 (µg/m3)
SO2 31.37 (µg/m3)
CO 3.07 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
18-04-2026 23:03:17
PM - 2.5 71.48 (µg/m3)
PM - 10 123.24 (µg/m3)
SO2 26.9 (µg/m3)
CO 4.74 (mg/m3)
NO2 33.64 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
18-04-2026 23:00:38
PM - 2.5 76.9 (µg/m3)
PM - 10 140.2 (µg/m3)
SO2 0 (µg/m3)
CO 1.34 (mg/m3)
NO2 1.79 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 22:52:04
PM - 2.5 40.9 (µg/m3)
PM - 10 75.62 (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 23:03:59
PM - 2.5 47.54 (µg/m3)
PM - 10 82 (µg/m3)
SO2 9.04 (µg/m3)
CO 0.20 (mg/m3)
NO2 2.38 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
18-04-2026 23:01:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 58.07 (µg/m3)
SO2 0 (µg/m3)
CO 0.50 (mg/m3)
NO2 16.58 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 23:06:28
PM - 2.5 38 (µg/m3)
PM - 10 67 (µg/m3)
SO2 10.1 (µg/m3)
CO 0.44 (mg/m3)
NO2 10.1 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 23:00:05
PM - 2.5 30.84 (µg/m3)
PM - 10 (µg/m3)
SO2 27.42 (µg/m3)
CO 0.22 (mg/m3)
NO2 94.72 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 23:06:17
PM - 2.5 36.3 (µg/m3)
PM - 10 37.57 (µg/m3)
SO2 10.16 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 23:06:19
PM - 2.5 33.32 (µg/m3)
PM - 10 156.07 (µg/m3)
SO2 7.51 (µg/m3)
CO 5.70 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 23:00:17
PM - 2.5 23.83 (µg/m3)
PM - 10 54.56 (µg/m3)
SO2 32.32 (µg/m3)
CO 0.31 (mg/m3)
NO2 18.49 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
18-04-2026 23:06:33
PM - 2.5 23 (µg/m3)
PM - 10 46 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.74 (mg/m3)
NO2 12.6 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 23:06:30
PM - 2.5 104.16 (µg/m3)
PM - 10 253.4 (µg/m3)
SO2 7.35 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
18-04-2026 23:00:21
PM - 2.5 2.31 (µg/m3)
PM - 10 (µg/m3)
SO2 5.36 (µg/m3)
CO ##### (mg/m3)
NO2 .29 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 23:06:04
PM - 2.5 24 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.9 (µg/m3)
CO 0.78 (mg/m3)
NO2 17.6 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
18-04-2026 23:06:20
PM - 2.5 28 (µg/m3)
PM - 10 42 (µg/m3)
SO2 5.2 (µg/m3)
CO 0.36 (mg/m3)
NO2 25.6 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 23:06:25
PM - 2.5 45.7 (µg/m3)
PM - 10 258.64 (µg/m3)
SO2 16.39 (µg/m3)
CO 3.78 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 23:06:34
PM - 2.5 35.8 (µg/m3)
PM - 10 121.5 (µg/m3)
SO2 18.46 (µg/m3)
CO 1.48 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S Ukni Opencast Mine
18-04-2026 23:06:16
PM - 2.5 130.04 (µg/m3)
PM - 10 300.22 (µg/m3)
SO2 18.31 (µg/m3)
CO 2.40 (mg/m3)
NO2 1.11 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 23:00:51
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
18-04-2026 23:06:34
PM - 2.5 187.8 (µg/m3)
PM - 10 927 (µg/m3)
SO2 35.15 (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 23:06:09
PM - 2.5 144.99 (µg/m3)
PM - 10 428.71 (µg/m3)
SO2 31.37 (µg/m3)
CO 3.07 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
18-04-2026 23:03:17
PM - 2.5 71.48 (µg/m3)
PM - 10 123.24 (µg/m3)
SO2 26.9 (µg/m3)
CO 4.74 (mg/m3)
NO2 33.64 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
18-04-2026 23:00:38
PM - 2.5 76.9 (µg/m3)
PM - 10 140.2 (µg/m3)
SO2 0 (µg/m3)
CO 1.34 (mg/m3)
NO2 1.79 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 22:52:04
PM - 2.5 40.9 (µg/m3)
PM - 10 75.62 (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 23:03:59
PM - 2.5 47.54 (µg/m3)
PM - 10 82 (µg/m3)
SO2 9.04 (µg/m3)
CO 0.20 (mg/m3)
NO2 2.38 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
18-04-2026 23:01:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 58.07 (µg/m3)
SO2 0 (µg/m3)
CO 0.50 (mg/m3)
NO2 16.58 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 23:06:28
PM - 2.5 38 (µg/m3)
PM - 10 67 (µg/m3)
SO2 10.1 (µg/m3)
CO 0.44 (mg/m3)
NO2 10.1 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 23:00:05
PM - 2.5 30.84 (µg/m3)
PM - 10 (µg/m3)
SO2 27.42 (µg/m3)
CO 0.22 (mg/m3)
NO2 94.72 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 23:06:17
PM - 2.5 36.3 (µg/m3)
PM - 10 37.57 (µg/m3)
SO2 10.16 (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	89.85
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	177.09
18-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	122.07
18-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	235.64

1 - 3

CAAQMS Data

1 - 10 of 8,031

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 23:06	18-APR-2026 17:32	35.80	121.50	18.46	-	1.48	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 23:06	18-APR-2026 17:34	45.70	258.64	16.39	-	3.78	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 23:06	18-APR-2026 17:36	144.99	428.71	31.37	-	3.07	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 23:06	18-APR-2026 17:32	35.72	119.00	18.24	-	1.48	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 23:05	18-APR-2026 17:34	45.70	256.78	16.77	-	3.79	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 23:05	18-APR-2026 17:35	145.96	433.81	30.32	-	3.04	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 23:05	18-APR-2026 17:31	35.71	116.90	18.11	-	1.47	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 23:05	18-APR-2026 17:33	45.54	254.81	17.44	-	3.58	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 23:05	18-APR-2026 17:35	147.07	439.37	29.90	-	3.07	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 23:05	18-APR-2026 17:31	35.73	115.30	17.85	-	1.47	site_5720	Thermo Fisher Scientific India Private Limited

1 - 10 of 8,031

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