Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
18-04-2026 10:02:46
PM - 2.5 22.93 (µg/m3)
PM - 10 32.61 (µg/m3)
SO2 27.38 (µg/m3)
CO 0.86 (mg/m3)
NO2 1.82 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 10:07:52
PM - 2.5 26.95 (µg/m3)
PM - 10 63.67 (µg/m3)
SO2 33.87 (µg/m3)
CO 5.94 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 10:00:35
PM - 2.5 26.99 (µg/m3)
PM - 10 151.87 (µg/m3)
SO2 15.44 (µg/m3)
CO 0.18 (mg/m3)
NO2 14.38 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
18-04-2026 10:07:31
PM - 2.5 34 (µg/m3)
PM - 10 67 (µg/m3)
SO2 4.9 (µg/m3)
CO 0.31 (mg/m3)
NO2 16.5 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 10:07:50
PM - 2.5 72.13 (µg/m3)
PM - 10 192.89 (µg/m3)
SO2 23.95 (µg/m3)
CO 1.00 (mg/m3)
NO2 5.04 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 10:07:25
PM - 2.5 12 (µg/m3)
PM - 10 24 (µg/m3)
SO2 10.1 (µg/m3)
CO 0.70 (mg/m3)
NO2 17.7 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
18-04-2026 10:05:33
PM - 2.5 18 (µg/m3)
PM - 10 28 (µg/m3)
SO2 5.5 (µg/m3)
CO 0.40 (mg/m3)
NO2 26.5 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 10:07:43
PM - 2.5 40.11 (µg/m3)
PM - 10 202.74 (µg/m3)
SO2 59.14 (µg/m3)
CO 3.08 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 10:07:48
PM - 2.5 33.03 (µg/m3)
PM - 10 62.18 (µg/m3)
SO2 18.9 (µg/m3)
CO 1.36 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 10:00:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 2.12 (mg/m3)
NO2 319.81 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
18-04-2026 10:07:38
PM - 2.5 77.67 (µg/m3)
PM - 10 164.4 (µg/m3)
SO2 8.17 (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 10:07:56
PM - 2.5 79.53 (µg/m3)
PM - 10 226.6 (µg/m3)
SO2 29.06 (µg/m3)
CO 2.04 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
18-04-2026 10:03:16
PM - 2.5 136.96 (µg/m3)
PM - 10 236.13 (µg/m3)
SO2 84.59 (µg/m3)
CO 3.92 (mg/m3)
NO2 33.69 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 10:07:03
PM - 2.5 35.1 (µg/m3)
PM - 10 58.74 (µg/m3)
SO2 17.54 (µg/m3)
CO 0.33 (mg/m3)
NO2 6.15 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 10:03:56
PM - 2.5 57.14 (µg/m3)
PM - 10 96.73 (µg/m3)
SO2 11.63 (µg/m3)
CO 0.63 (mg/m3)
NO2 5.84 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
18-04-2026 10:01:20
PM - 2.5 37.07 (µg/m3)
PM - 10 60.41 (µg/m3)
SO2 7.24 (µg/m3)
CO 0.46 (mg/m3)
NO2 16.82 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 10:07:31
PM - 2.5 29 (µg/m3)
PM - 10 51 (µg/m3)
SO2 9.5 (µg/m3)
CO 0.29 (mg/m3)
NO2 10.8 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 10:00:09
PM - 2.5 .25 (µg/m3)
PM - 10 (µg/m3)
SO2 120.47 (µg/m3)
CO ##### (mg/m3)
NO2 53.46 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 10:07:35
PM - 2.5 74.7 (µg/m3)
PM - 10 122.85 (µg/m3)
SO2 21.51 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
18-04-2026 10:02:46
PM - 2.5 22.93 (µg/m3)
PM - 10 32.61 (µg/m3)
SO2 27.38 (µg/m3)
CO 0.86 (mg/m3)
NO2 1.82 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 10:07:52
PM - 2.5 26.95 (µg/m3)
PM - 10 63.67 (µg/m3)
SO2 33.87 (µg/m3)
CO 5.94 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 10:00:35
PM - 2.5 26.99 (µg/m3)
PM - 10 151.87 (µg/m3)
SO2 15.44 (µg/m3)
CO 0.18 (mg/m3)
NO2 14.38 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
18-04-2026 10:07:31
PM - 2.5 34 (µg/m3)
PM - 10 67 (µg/m3)
SO2 4.9 (µg/m3)
CO 0.31 (mg/m3)
NO2 16.5 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 10:07:50
PM - 2.5 72.13 (µg/m3)
PM - 10 192.89 (µg/m3)
SO2 23.95 (µg/m3)
CO 1.00 (mg/m3)
NO2 5.04 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 10:07:25
PM - 2.5 12 (µg/m3)
PM - 10 24 (µg/m3)
SO2 10.1 (µg/m3)
CO 0.70 (mg/m3)
NO2 17.7 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
18-04-2026 10:05:33
PM - 2.5 18 (µg/m3)
PM - 10 28 (µg/m3)
SO2 5.5 (µg/m3)
CO 0.40 (mg/m3)
NO2 26.5 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 10:07:43
PM - 2.5 40.11 (µg/m3)
PM - 10 202.74 (µg/m3)
SO2 59.14 (µg/m3)
CO 3.08 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 10:07:48
PM - 2.5 33.03 (µg/m3)
PM - 10 62.18 (µg/m3)
SO2 18.9 (µg/m3)
CO 1.36 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 10:00:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 2.12 (mg/m3)
NO2 319.81 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
18-04-2026 10:07:38
PM - 2.5 77.67 (µg/m3)
PM - 10 164.4 (µg/m3)
SO2 8.17 (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 10:07:56
PM - 2.5 79.53 (µg/m3)
PM - 10 226.6 (µg/m3)
SO2 29.06 (µg/m3)
CO 2.04 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
18-04-2026 10:03:16
PM - 2.5 136.96 (µg/m3)
PM - 10 236.13 (µg/m3)
SO2 84.59 (µg/m3)
CO 3.92 (mg/m3)
NO2 33.69 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 10:07:03
PM - 2.5 35.1 (µg/m3)
PM - 10 58.74 (µg/m3)
SO2 17.54 (µg/m3)
CO 0.33 (mg/m3)
NO2 6.15 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 10:03:56
PM - 2.5 57.14 (µg/m3)
PM - 10 96.73 (µg/m3)
SO2 11.63 (µg/m3)
CO 0.63 (mg/m3)
NO2 5.84 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
18-04-2026 10:01:20
PM - 2.5 37.07 (µg/m3)
PM - 10 60.41 (µg/m3)
SO2 7.24 (µg/m3)
CO 0.46 (mg/m3)
NO2 16.82 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 10:07:31
PM - 2.5 29 (µg/m3)
PM - 10 51 (µg/m3)
SO2 9.5 (µg/m3)
CO 0.29 (mg/m3)
NO2 10.8 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 10:00:09
PM - 2.5 .25 (µg/m3)
PM - 10 (µg/m3)
SO2 120.47 (µg/m3)
CO ##### (mg/m3)
NO2 53.46 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 10:07:35
PM - 2.5 74.7 (µg/m3)
PM - 10 122.85 (µg/m3)
SO2 21.51 (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 Kanchan OC Coal Mine	60	82.11
18-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	76.76

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	161.15
18-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	118.63
18-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	208.75

1 - 3

CAAQMS Data

1 - 10 of 3,793

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 10:07	18-APR-2026 04:37	79.53	226.60	29.06	-	2.04	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 10:07	18-APR-2026 04:34	33.03	62.18	18.90	-	1.36	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 10:07	18-APR-2026 04:36	40.11	202.74	59.14	-	3.08	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 10:07	18-APR-2026 04:37	79.39	227.98	29.29	-	2.02	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 10:07	18-APR-2026 04:33	33.01	62.23	18.61	-	1.37	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 10:07	18-APR-2026 04:35	40.05	202.74	58.85	-	3.15	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Gevra , Chattisgarh	SECL GEVRA	18-APR-2026 10:07	18-APR-2026 10:00	35.10	58.74	17.54	6.15	0.33	site_	Envea India Pvt Ltd
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	18-APR-2026 10:06	18-APR-2026 04:36	79.34	228.97	25.88	-	2.02	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 10:06	18-APR-2026 04:33	33.00	62.39	18.80	-	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 10:06	18-APR-2026 04:35	40.00	202.74	58.89	-	3.11	site_3509	Thermo Fisher Scientific India Private Limited

1 - 10 of 3,793

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