Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 20:53:17
PM - 2.5 46.33 (µg/m3)
PM - 10 48.11 (µg/m3)
SO2 12.64 (µg/m3)
CO 6.39 (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 20:53:01
PM - 2.5 48 (µg/m3)
PM - 10 98 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.45 (mg/m3)
NO2 12.1 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 20:53:00
PM - 2.5 59.95 (µg/m3)
PM - 10 104.56 (µg/m3)
SO2 6.52 (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 20:53:17
PM - 2.5 29 (µg/m3)
PM - 10 110 (µg/m3)
SO2 11 (µg/m3)
CO 0.59 (mg/m3)
NO2 17.7 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
18-04-2026 20:53:17
PM - 2.5 27 (µg/m3)
PM - 10 42 (µg/m3)
SO2 5.2 (µg/m3)
CO 0.36 (mg/m3)
NO2 24.9 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 20:53:22
PM - 2.5 49.84 (µg/m3)
PM - 10 283.27 (µg/m3)
SO2 38.35 (µg/m3)
CO 5.75 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 20:53:02
PM - 2.5 6.68 (µg/m3)
PM - 10 211.4 (µg/m3)
SO2 19.02 (µg/m3)
CO 1.52 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S Ukni Opencast Mine
18-04-2026 20:53:18
PM - 2.5 73.69 (µg/m3)
PM - 10 101.07 (µg/m3)
SO2 18.18 (µg/m3)
CO 1.84 (mg/m3)
NO2 .64 (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 20:53:07
PM - 2.5 132.1 (µg/m3)
PM - 10 522.1 (µg/m3)
SO2 34.09 (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 20:53:20
PM - 2.5 134.82 (µg/m3)
PM - 10 433.42 (µg/m3)
SO2 28.8 (µg/m3)
CO 3.06 (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 20:52:57
PM - 2.5 50 (µg/m3)
PM - 10 88 (µg/m3)
SO2 10.3 (µg/m3)
CO 0.48 (mg/m3)
NO2 10.5 (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 20:53:15
PM - 2.5 75.68 (µg/m3)
PM - 10 93.34 (µg/m3)
SO2 11.62 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 20:53:17
PM - 2.5 46.33 (µg/m3)
PM - 10 48.11 (µg/m3)
SO2 12.64 (µg/m3)
CO 6.39 (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 20:53:01
PM - 2.5 48 (µg/m3)
PM - 10 98 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.45 (mg/m3)
NO2 12.1 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 20:53:00
PM - 2.5 59.95 (µg/m3)
PM - 10 104.56 (µg/m3)
SO2 6.52 (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 20:53:17
PM - 2.5 29 (µg/m3)
PM - 10 110 (µg/m3)
SO2 11 (µg/m3)
CO 0.59 (mg/m3)
NO2 17.7 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
18-04-2026 20:53:17
PM - 2.5 27 (µg/m3)
PM - 10 42 (µg/m3)
SO2 5.2 (µg/m3)
CO 0.36 (mg/m3)
NO2 24.9 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 20:53:22
PM - 2.5 49.84 (µg/m3)
PM - 10 283.27 (µg/m3)
SO2 38.35 (µg/m3)
CO 5.75 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 20:53:02
PM - 2.5 6.68 (µg/m3)
PM - 10 211.4 (µg/m3)
SO2 19.02 (µg/m3)
CO 1.52 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S Ukni Opencast Mine
18-04-2026 20:53:18
PM - 2.5 73.69 (µg/m3)
PM - 10 101.07 (µg/m3)
SO2 18.18 (µg/m3)
CO 1.84 (mg/m3)
NO2 .64 (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 20:53:07
PM - 2.5 132.1 (µg/m3)
PM - 10 522.1 (µg/m3)
SO2 34.09 (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 20:53:20
PM - 2.5 134.82 (µg/m3)
PM - 10 433.42 (µg/m3)
SO2 28.8 (µg/m3)
CO 3.06 (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 20:52:57
PM - 2.5 50 (µg/m3)
PM - 10 88 (µg/m3)
SO2 10.3 (µg/m3)
CO 0.48 (mg/m3)
NO2 10.5 (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 20:53:15
PM - 2.5 75.68 (µg/m3)
PM - 10 93.34 (µg/m3)
SO2 11.62 (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	75.92
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	167.91
18-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	112.03
18-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	196.11

1 - 3

CAAQMS Data

1 - 10 of 7,212

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	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 20:53	18-APR-2026 15:21	49.84	283.27	38.35	-	5.75	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 20:53	18-APR-2026 15:23	134.82	433.42	28.80	-	3.06	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 20:53	18-APR-2026 15:19	6.68	211.40	19.02	-	1.52	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 20:52	18-APR-2026 15:21	49.75	279.35	36.91	-	6.09	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 20:52	18-APR-2026 15:22	133.04	428.43	27.00	-	3.01	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 20:52	18-APR-2026 15:18	6.05	208.80	18.66	-	1.51	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 20:52	18-APR-2026 15:20	49.71	274.99	35.20	-	5.43	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 20:52	18-APR-2026 15:22	131.45	424.76	28.28	-	2.95	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Gevra , Chattisgarh	SECL GEVRA	18-APR-2026 20:52	18-APR-2026 20:45	36.30	62.25	17.69	6.51	0.35	site_	Envea India Pvt Ltd
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 20:52	18-APR-2026 15:18	5.43	206.20	19.07	-	1.51	site_5720	Thermo Fisher Scientific India Private Limited

1 - 10 of 7,212

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