Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 20:57:17
PM - 2.5 43.71 (µg/m3)
PM - 10 56.16 (µg/m3)
SO2 11.9 (µg/m3)
CO 7.99 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 20:45:14
PM - 2.5 25.35 (µg/m3)
PM - 10 70.98 (µg/m3)
SO2 35.18 (µg/m3)
CO 0.19 (mg/m3)
NO2 38.82 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
18-04-2026 20:57:31
PM - 2.5 48 (µg/m3)
PM - 10 98 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.46 (mg/m3)
NO2 12 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 20:57:28
PM - 2.5 62.16 (µg/m3)
PM - 10 102.43 (µg/m3)
SO2 6.51 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
18-04-2026 20:45:01
PM - 2.5 2.4 (µg/m3)
PM - 10 (µg/m3)
SO2 5.58 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 20:57:02
PM - 2.5 23 (µg/m3)
PM - 10 110 (µg/m3)
SO2 10.1 (µg/m3)
CO 0.55 (mg/m3)
NO2 17.7 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
18-04-2026 20:57:17
PM - 2.5 27 (µg/m3)
PM - 10 42 (µg/m3)
SO2 5.2 (µg/m3)
CO 0.36 (mg/m3)
NO2 24.8 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 20:57:23
PM - 2.5 52.47 (µg/m3)
PM - 10 318.98 (µg/m3)
SO2 37.76 (µg/m3)
CO 4.09 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 20:57:31
PM - 2.5 13.13 (µg/m3)
PM - 10 227.9 (µg/m3)
SO2 18.41 (µg/m3)
CO 1.53 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S Ukni Opencast Mine
18-04-2026 20:57:15
PM - 2.5 50.25 (µg/m3)
PM - 10 93.26 (µg/m3)
SO2 20 (µg/m3)
CO 1.85 (mg/m3)
NO2 .73 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 20:45:50
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 20:57:07
PM - 2.5 132.5 (µg/m3)
PM - 10 530.1 (µg/m3)
SO2 33.53 (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 20:57:22
PM - 2.5 153.31 (µg/m3)
PM - 10 483.28 (µg/m3)
SO2 28.82 (µg/m3)
CO 3.49 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
18-04-2026 20:48:19
PM - 2.5 89.94 (µg/m3)
PM - 10 155.07 (µg/m3)
SO2 0 (µg/m3)
CO 3.46 (mg/m3)
NO2 33.64 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
18-04-2026 20:45:17
PM - 2.5 63.5 (µg/m3)
PM - 10 170.5 (µg/m3)
SO2 0 (µg/m3)
CO 0.68 (mg/m3)
NO2 1.56 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 20:52:04
PM - 2.5 36.3 (µg/m3)
PM - 10 62.25 (µg/m3)
SO2 17.69 (µg/m3)
CO 0.35 (mg/m3)
NO2 6.51 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 20:48:59
PM - 2.5 58.03 (µg/m3)
PM - 10 98.1 (µg/m3)
SO2 11.87 (µg/m3)
CO 0.67 (mg/m3)
NO2 6.16 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 20:57:32
PM - 2.5 50 (µg/m3)
PM - 10 88 (µg/m3)
SO2 10.4 (µg/m3)
CO 0.50 (mg/m3)
NO2 10.4 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 20:45:40
PM - 2.5 45.57 (µg/m3)
PM - 10 (µg/m3)
SO2 42 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 20:57:15
PM - 2.5 80.19 (µg/m3)
PM - 10 98.86 (µg/m3)
SO2 13.11 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 20:57:17
PM - 2.5 43.71 (µg/m3)
PM - 10 56.16 (µg/m3)
SO2 11.9 (µg/m3)
CO 7.99 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 20:45:14
PM - 2.5 25.35 (µg/m3)
PM - 10 70.98 (µg/m3)
SO2 35.18 (µg/m3)
CO 0.19 (mg/m3)
NO2 38.82 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
18-04-2026 20:57:31
PM - 2.5 48 (µg/m3)
PM - 10 98 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.46 (mg/m3)
NO2 12 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 20:57:28
PM - 2.5 62.16 (µg/m3)
PM - 10 102.43 (µg/m3)
SO2 6.51 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
18-04-2026 20:45:01
PM - 2.5 2.4 (µg/m3)
PM - 10 (µg/m3)
SO2 5.58 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 20:57:02
PM - 2.5 23 (µg/m3)
PM - 10 110 (µg/m3)
SO2 10.1 (µg/m3)
CO 0.55 (mg/m3)
NO2 17.7 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
18-04-2026 20:57:17
PM - 2.5 27 (µg/m3)
PM - 10 42 (µg/m3)
SO2 5.2 (µg/m3)
CO 0.36 (mg/m3)
NO2 24.8 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 20:57:23
PM - 2.5 52.47 (µg/m3)
PM - 10 318.98 (µg/m3)
SO2 37.76 (µg/m3)
CO 4.09 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 20:57:31
PM - 2.5 13.13 (µg/m3)
PM - 10 227.9 (µg/m3)
SO2 18.41 (µg/m3)
CO 1.53 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S Ukni Opencast Mine
18-04-2026 20:57:15
PM - 2.5 50.25 (µg/m3)
PM - 10 93.26 (µg/m3)
SO2 20 (µg/m3)
CO 1.85 (mg/m3)
NO2 .73 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 20:45:50
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 20:57:07
PM - 2.5 132.5 (µg/m3)
PM - 10 530.1 (µg/m3)
SO2 33.53 (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 20:57:22
PM - 2.5 153.31 (µg/m3)
PM - 10 483.28 (µg/m3)
SO2 28.82 (µg/m3)
CO 3.49 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
18-04-2026 20:48:19
PM - 2.5 89.94 (µg/m3)
PM - 10 155.07 (µg/m3)
SO2 0 (µg/m3)
CO 3.46 (mg/m3)
NO2 33.64 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
18-04-2026 20:45:17
PM - 2.5 63.5 (µg/m3)
PM - 10 170.5 (µg/m3)
SO2 0 (µg/m3)
CO 0.68 (mg/m3)
NO2 1.56 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 20:52:04
PM - 2.5 36.3 (µg/m3)
PM - 10 62.25 (µg/m3)
SO2 17.69 (µg/m3)
CO 0.35 (mg/m3)
NO2 6.51 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 20:48:59
PM - 2.5 58.03 (µg/m3)
PM - 10 98.1 (µg/m3)
SO2 11.87 (µg/m3)
CO 0.67 (mg/m3)
NO2 6.16 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 20:57:32
PM - 2.5 50 (µg/m3)
PM - 10 88 (µg/m3)
SO2 10.4 (µg/m3)
CO 0.50 (mg/m3)
NO2 10.4 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 20:45:40
PM - 2.5 45.57 (µg/m3)
PM - 10 (µg/m3)
SO2 42 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 20:57:15
PM - 2.5 80.19 (µg/m3)
PM - 10 98.86 (µg/m3)
SO2 13.11 (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	76.12
18-APR-2026	South Eastern Coalfields Limited	SECL_KUSMUNDA	60	153,427.36

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	168.34
18-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	112.53
18-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	196.92

1 - 3

CAAQMS Data

1 - 10 of 7,236

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 20:57	18-APR-2026 15:23	13.13	227.90	18.41	-	1.53	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 20:57	18-APR-2026 15:25	52.47	318.98	37.76	-	4.09	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 20:57	18-APR-2026 15:27	153.31	483.28	28.82	-	3.49	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 20:57	18-APR-2026 15:23	12.42	226.40	18.31	-	1.53	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 20:56	18-APR-2026 15:25	52.77	315.04	38.69	-	4.58	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 20:56	18-APR-2026 15:26	150.12	475.39	27.87	-	3.46	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 20:56	18-APR-2026 15:22	11.72	225.00	18.09	-	1.53	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 20:56	18-APR-2026 15:24	52.60	310.27	39.34	-	5.04	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 20:56	18-APR-2026 15:26	146.60	466.47	28.41	-	3.44	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 20:56	18-APR-2026 15:22	11.00	223.50	18.26	-	1.53	site_5720	Thermo Fisher Scientific India Private Limited

1 - 10 of 7,236

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