Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
30-04-2026 22:03:31
PM - 2.5 24.38 (µg/m3)
PM - 10 57.42 (µg/m3)
SO2 6.22 (µg/m3)
CO 1.76 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
30-04-2026 22:01:40
PM - 2.5 13.93 (µg/m3)
PM - 10 22.32 (µg/m3)
SO2 33.2 (µg/m3)
CO 0.41 (mg/m3)
NO2 2.07 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
30-04-2026 22:00:03
PM - 2.5 21.29 (µg/m3)
PM - 10 134.94 (µg/m3)
SO2 46.33 (µg/m3)
CO 0.00 (mg/m3)
NO2 20.95 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
30-04-2026 22:03:08
PM - 2.5 15 (µg/m3)
PM - 10 24 (µg/m3)
SO2 4.9 (µg/m3)
CO 0.36 (mg/m3)
NO2 17.6 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
30-04-2026 22:00:14
PM - 2.5 2.35 (µg/m3)
PM - 10 (µg/m3)
SO2 5.41 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
SECL
Gayatri UG Mine
30-04-2026 22:03:39
PM - 2.5 43.95 (µg/m3)
PM - 10 50.2 (µg/m3)
SO2 21.96 (µg/m3)
CO 0.87 (mg/m3)
NO2 6.55 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
30-04-2026 22:03:13
PM - 2.5 9 (µg/m3)
PM - 10 15 (µg/m3)
SO2 7.9 (µg/m3)
CO 0.73 (mg/m3)
NO2 2.2 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
30-04-2026 22:03:01
PM - 2.5 19 (µg/m3)
PM - 10 36 (µg/m3)
SO2 11 (µg/m3)
CO 0.28 (mg/m3)
NO2 17.3 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
30-04-2026 22:00:50
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
30-04-2026 22:03:37
PM - 2.5 173.2 (µg/m3)
PM - 10 677.7 (µg/m3)
SO2 0 (µg/m3)
CO 0.58 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
30-04-2026 22:03:32
PM - 2.5 60.81 (µg/m3)
PM - 10 734.14 (µg/m3)
SO2 23.19 (µg/m3)
CO 0.51 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
30-04-2026 22:03:31
PM - 2.5 36.12 (µg/m3)
PM - 10 128.32 (µg/m3)
SO2 23.1 (µg/m3)
CO 0.61 (mg/m3)
NO2 1.8 (µg/m3)
Northern Coalfields Limited
NCL_CETI
30-04-2026 22:03:25
PM - 2.5 84.04 (µg/m3)
PM - 10 144.89 (µg/m3)
SO2 29.01 (µg/m3)
CO 2.09 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
30-04-2026 21:52:34
PM - 2.5 34 (µg/m3)
PM - 10 55.51 (µg/m3)
SO2 14.81 (µg/m3)
CO 0.24 (mg/m3)
NO2 5.82 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
30-04-2026 22:01:01
PM - 2.5 46.6 (µg/m3)
PM - 10 89.17 (µg/m3)
SO2 12.59 (µg/m3)
CO 0.39 (mg/m3)
NO2 5.13 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
30-04-2026 22:01:34
PM - 2.5 31.93 (µg/m3)
PM - 10 57.81 (µg/m3)
SO2 6.77 (µg/m3)
CO 0.78 (mg/m3)
NO2 18.44 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
30-04-2026 22:03:27
PM - 2.5 35 (µg/m3)
PM - 10 62 (µg/m3)
SO2 9.4 (µg/m3)
CO 1.37 (mg/m3)
NO2 5.3 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
30-04-2026 22:00:32
PM - 2.5 71.83 (µg/m3)
PM - 10 (µg/m3)
SO2 1.77 (µg/m3)
CO 0.00 (mg/m3)
NO2 10.17 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
30-04-2026 22:03:44
PM - 2.5 57.77 (µg/m3)
PM - 10 153.49 (µg/m3)
SO2 7.25 (µg/m3)
CO 0.87 (mg/m3)
NO2 4.61 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
30-04-2026 22:03:31
PM - 2.5 24.38 (µg/m3)
PM - 10 57.42 (µg/m3)
SO2 6.22 (µg/m3)
CO 1.76 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
30-04-2026 22:01:40
PM - 2.5 13.93 (µg/m3)
PM - 10 22.32 (µg/m3)
SO2 33.2 (µg/m3)
CO 0.41 (mg/m3)
NO2 2.07 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
30-04-2026 22:00:03
PM - 2.5 21.29 (µg/m3)
PM - 10 134.94 (µg/m3)
SO2 46.33 (µg/m3)
CO 0.00 (mg/m3)
NO2 20.95 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
30-04-2026 22:03:08
PM - 2.5 15 (µg/m3)
PM - 10 24 (µg/m3)
SO2 4.9 (µg/m3)
CO 0.36 (mg/m3)
NO2 17.6 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
30-04-2026 22:00:14
PM - 2.5 2.35 (µg/m3)
PM - 10 (µg/m3)
SO2 5.41 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
SECL
Gayatri UG Mine
30-04-2026 22:03:39
PM - 2.5 43.95 (µg/m3)
PM - 10 50.2 (µg/m3)
SO2 21.96 (µg/m3)
CO 0.87 (mg/m3)
NO2 6.55 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
30-04-2026 22:03:13
PM - 2.5 9 (µg/m3)
PM - 10 15 (µg/m3)
SO2 7.9 (µg/m3)
CO 0.73 (mg/m3)
NO2 2.2 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
30-04-2026 22:03:01
PM - 2.5 19 (µg/m3)
PM - 10 36 (µg/m3)
SO2 11 (µg/m3)
CO 0.28 (mg/m3)
NO2 17.3 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
30-04-2026 22:00:50
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
30-04-2026 22:03:37
PM - 2.5 173.2 (µg/m3)
PM - 10 677.7 (µg/m3)
SO2 0 (µg/m3)
CO 0.58 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
30-04-2026 22:03:32
PM - 2.5 60.81 (µg/m3)
PM - 10 734.14 (µg/m3)
SO2 23.19 (µg/m3)
CO 0.51 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
30-04-2026 22:03:31
PM - 2.5 36.12 (µg/m3)
PM - 10 128.32 (µg/m3)
SO2 23.1 (µg/m3)
CO 0.61 (mg/m3)
NO2 1.8 (µg/m3)
Northern Coalfields Limited
NCL_CETI
30-04-2026 22:03:25
PM - 2.5 84.04 (µg/m3)
PM - 10 144.89 (µg/m3)
SO2 29.01 (µg/m3)
CO 2.09 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
30-04-2026 21:52:34
PM - 2.5 34 (µg/m3)
PM - 10 55.51 (µg/m3)
SO2 14.81 (µg/m3)
CO 0.24 (mg/m3)
NO2 5.82 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
30-04-2026 22:01:01
PM - 2.5 46.6 (µg/m3)
PM - 10 89.17 (µg/m3)
SO2 12.59 (µg/m3)
CO 0.39 (mg/m3)
NO2 5.13 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
30-04-2026 22:01:34
PM - 2.5 31.93 (µg/m3)
PM - 10 57.81 (µg/m3)
SO2 6.77 (µg/m3)
CO 0.78 (mg/m3)
NO2 18.44 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
30-04-2026 22:03:27
PM - 2.5 35 (µg/m3)
PM - 10 62 (µg/m3)
SO2 9.4 (µg/m3)
CO 1.37 (mg/m3)
NO2 5.3 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
30-04-2026 22:00:32
PM - 2.5 71.83 (µg/m3)
PM - 10 (µg/m3)
SO2 1.77 (µg/m3)
CO 0.00 (mg/m3)
NO2 10.17 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
30-04-2026 22:03:44
PM - 2.5 57.77 (µg/m3)
PM - 10 153.49 (µg/m3)
SO2 7.25 (µg/m3)
CO 0.87 (mg/m3)
NO2 4.61 (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)
30-APR-2026	South Eastern Coalfields Limited	M/S Kanchan OC Coal Mine	60	69.52

1 - 1

Record Date	Company name	Mine name	Permissible Limit (µg/m3)	Average PM - 10 (µg/m3)
30-APR-2026	South Eastern Coalfields Limited	M/S Kanchan OC Coal Mine	100	235.51
30-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	734.14

1 - 2

CAAQMS Data

1 - 10 of 12,640

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	30-APR-2026 22:03	30-APR-2026 16:33	60.81	734.14	23.19	-	0.51	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	30-APR-2026 22:03	30-APR-2026 16:32	61.03	734.14	25.66	-	0.55	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	30-APR-2026 22:02	30-APR-2026 16:32	60.79	734.14	26.06	-	0.54	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	30-APR-2026 22:02	30-APR-2026 16:31	60.43	734.14	26.56	-	0.55	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL,Kusmunda	SECL_KUSMUNDA	30-APR-2026 22:01	30-APR-2026 22:00	31.93	57.81	6.77	18.44	0.78	site_1963	Envea India Pvt Ltd
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	30-APR-2026 22:01	30-APR-2026 16:31	59.68	734.14	24.33	-	0.59	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	30-APR-2026 22:01	30-APR-2026 16:30	46.60	89.17	12.59	5.13	0.39	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	30-APR-2026 22:00	30-APR-2026 16:30	58.89	734.14	26.00	-	0.59	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Bilaspur, CHHATTISGARHr	South Eastern Coalfields Limited - AQMS_H_Q	30-APR-2026 22:00	30-APR-2026 16:29	71.83	-	1.77	10.17	0.00	site_5592	Swan Environ
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	30-APR-2026 22:00	30-APR-2026 16:29	57.07	734.14	23.06	-	0.59	site_5664	Thermo Fisher Scientific India Private Limited

1 - 10 of 12,640

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