Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
30-04-2026 20:03:00
PM - 2.5 20.98 (µg/m3)
PM - 10 53.02 (µg/m3)
SO2 5.23 (µg/m3)
CO 1.36 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
30-04-2026 20:01:40
PM - 2.5 19.38 (µg/m3)
PM - 10 29.63 (µg/m3)
SO2 44.28 (µg/m3)
CO 0.44 (mg/m3)
NO2 2.02 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
30-04-2026 20:00:50
PM - 2.5 17.59 (µg/m3)
PM - 10 99.61 (µg/m3)
SO2 51.48 (µg/m3)
CO 0.00 (mg/m3)
NO2 25.06 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
30-04-2026 20:03:06
PM - 2.5 19 (µg/m3)
PM - 10 36 (µg/m3)
SO2 4.9 (µg/m3)
CO 0.43 (mg/m3)
NO2 17.7 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
30-04-2026 20:00:41
PM - 2.5 2.39 (µg/m3)
PM - 10 (µg/m3)
SO2 5.52 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
SECL
Gayatri UG Mine
30-04-2026 20:03:04
PM - 2.5 24.21 (µg/m3)
PM - 10 36.54 (µg/m3)
SO2 22.13 (µg/m3)
CO 0.83 (mg/m3)
NO2 6.44 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
30-04-2026 20:02:39
PM - 2.5 15 (µg/m3)
PM - 10 26 (µg/m3)
SO2 7.6 (µg/m3)
CO 0.79 (mg/m3)
NO2 2.2 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
30-04-2026 20:03:00
PM - 2.5 16 (µg/m3)
PM - 10 32 (µg/m3)
SO2 10.7 (µg/m3)
CO 0.21 (mg/m3)
NO2 17.2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
30-04-2026 20:02:36
PM - 2.5 51.31 (µg/m3)
PM - 10 .81 (µg/m3)
SO2 17.92 (µg/m3)
CO 1.20 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
30-04-2026 20:00:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.25 (mg/m3)
NO2 90 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
30-04-2026 20:03:05
PM - 2.5 56.4 (µg/m3)
PM - 10 206.7 (µg/m3)
SO2 0 (µg/m3)
CO 0.60 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
30-04-2026 20:03:01
PM - 2.5 47.83 (µg/m3)
PM - 10 734.14 (µg/m3)
SO2 24.95 (µg/m3)
CO 0.62 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
30-04-2026 20:02:56
PM - 2.5 8.35 (µg/m3)
PM - 10 69.55 (µg/m3)
SO2 7.16 (µg/m3)
CO 0.73 (mg/m3)
NO2 2.01 (µg/m3)
Northern Coalfields Limited
NCL_CETI
30-04-2026 19:48:26
PM - 2.5 68.18 (µg/m3)
PM - 10 117.56 (µg/m3)
SO2 24.8 (µg/m3)
CO 2.41 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
30-04-2026 19:52:34
PM - 2.5 54.2 (µg/m3)
PM - 10 114.58 (µg/m3)
SO2 16.77 (µg/m3)
CO 0.55 (mg/m3)
NO2 11.86 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
30-04-2026 20:01:01
PM - 2.5 52.23 (µg/m3)
PM - 10 97.8 (µg/m3)
SO2 14.11 (µg/m3)
CO 0.64 (mg/m3)
NO2 7.15 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
30-04-2026 20:01:34
PM - 2.5 41.05 (µg/m3)
PM - 10 58.56 (µg/m3)
SO2 7.15 (µg/m3)
CO 0.79 (mg/m3)
NO2 18.18 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
30-04-2026 20:02:56
PM - 2.5 19 (µg/m3)
PM - 10 32 (µg/m3)
SO2 10 (µg/m3)
CO 1.01 (mg/m3)
NO2 5.9 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
30-04-2026 20:00:54
PM - 2.5 15.18 (µg/m3)
PM - 10 (µg/m3)
SO2 11.66 (µg/m3)
CO 0.36 (mg/m3)
NO2 57.09 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
30-04-2026 20:02:42
PM - 2.5 45.36 (µg/m3)
PM - 10 154.92 (µg/m3)
SO2 7.59 (µg/m3)
CO 0.69 (mg/m3)
NO2 5.78 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
30-04-2026 20:03:00
PM - 2.5 20.98 (µg/m3)
PM - 10 53.02 (µg/m3)
SO2 5.23 (µg/m3)
CO 1.36 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
30-04-2026 20:01:40
PM - 2.5 19.38 (µg/m3)
PM - 10 29.63 (µg/m3)
SO2 44.28 (µg/m3)
CO 0.44 (mg/m3)
NO2 2.02 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
30-04-2026 20:00:50
PM - 2.5 17.59 (µg/m3)
PM - 10 99.61 (µg/m3)
SO2 51.48 (µg/m3)
CO 0.00 (mg/m3)
NO2 25.06 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
30-04-2026 20:03:06
PM - 2.5 19 (µg/m3)
PM - 10 36 (µg/m3)
SO2 4.9 (µg/m3)
CO 0.43 (mg/m3)
NO2 17.7 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
30-04-2026 20:00:41
PM - 2.5 2.39 (µg/m3)
PM - 10 (µg/m3)
SO2 5.52 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
SECL
Gayatri UG Mine
30-04-2026 20:03:04
PM - 2.5 24.21 (µg/m3)
PM - 10 36.54 (µg/m3)
SO2 22.13 (µg/m3)
CO 0.83 (mg/m3)
NO2 6.44 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
30-04-2026 20:02:39
PM - 2.5 15 (µg/m3)
PM - 10 26 (µg/m3)
SO2 7.6 (µg/m3)
CO 0.79 (mg/m3)
NO2 2.2 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
30-04-2026 20:03:00
PM - 2.5 16 (µg/m3)
PM - 10 32 (µg/m3)
SO2 10.7 (µg/m3)
CO 0.21 (mg/m3)
NO2 17.2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
30-04-2026 20:02:36
PM - 2.5 51.31 (µg/m3)
PM - 10 .81 (µg/m3)
SO2 17.92 (µg/m3)
CO 1.20 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
30-04-2026 20:00:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.25 (mg/m3)
NO2 90 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
30-04-2026 20:03:05
PM - 2.5 56.4 (µg/m3)
PM - 10 206.7 (µg/m3)
SO2 0 (µg/m3)
CO 0.60 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
30-04-2026 20:03:01
PM - 2.5 47.83 (µg/m3)
PM - 10 734.14 (µg/m3)
SO2 24.95 (µg/m3)
CO 0.62 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
30-04-2026 20:02:56
PM - 2.5 8.35 (µg/m3)
PM - 10 69.55 (µg/m3)
SO2 7.16 (µg/m3)
CO 0.73 (mg/m3)
NO2 2.01 (µg/m3)
Northern Coalfields Limited
NCL_CETI
30-04-2026 19:48:26
PM - 2.5 68.18 (µg/m3)
PM - 10 117.56 (µg/m3)
SO2 24.8 (µg/m3)
CO 2.41 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
30-04-2026 19:52:34
PM - 2.5 54.2 (µg/m3)
PM - 10 114.58 (µg/m3)
SO2 16.77 (µg/m3)
CO 0.55 (mg/m3)
NO2 11.86 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
30-04-2026 20:01:01
PM - 2.5 52.23 (µg/m3)
PM - 10 97.8 (µg/m3)
SO2 14.11 (µg/m3)
CO 0.64 (mg/m3)
NO2 7.15 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
30-04-2026 20:01:34
PM - 2.5 41.05 (µg/m3)
PM - 10 58.56 (µg/m3)
SO2 7.15 (µg/m3)
CO 0.79 (mg/m3)
NO2 18.18 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
30-04-2026 20:02:56
PM - 2.5 19 (µg/m3)
PM - 10 32 (µg/m3)
SO2 10 (µg/m3)
CO 1.01 (mg/m3)
NO2 5.9 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
30-04-2026 20:00:54
PM - 2.5 15.18 (µg/m3)
PM - 10 (µg/m3)
SO2 11.66 (µg/m3)
CO 0.36 (mg/m3)
NO2 57.09 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
30-04-2026 20:02:42
PM - 2.5 45.36 (µg/m3)
PM - 10 154.92 (µg/m3)
SO2 7.59 (µg/m3)
CO 0.69 (mg/m3)
NO2 5.78 (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 12,154

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 20:03	30-APR-2026 14:32	47.83	734.14	24.95	-	0.62	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	30-APR-2026 20:02	30-APR-2026 14:28	51.31	0.81	17.92	-	1.20	site_5720	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 20:02	30-APR-2026 14:32	47.68	734.14	25.24	-	0.62	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	30-APR-2026 20:02	30-APR-2026 14:28	50.92	0.09	18.16	-	1.21	site_5720	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 20:02	30-APR-2026 14:31	47.49	734.14	26.07	-	0.65	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	30-APR-2026 20:01	30-APR-2026 14:27	50.64	0.00	17.97	-	1.21	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL,Kusmunda	SECL_KUSMUNDA	30-APR-2026 20:01	30-APR-2026 20:00	41.05	58.56	7.15	18.18	0.79	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 20:01	30-APR-2026 14:31	47.29	734.14	25.93	-	0.63	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	30-APR-2026 20:01	30-APR-2026 14:27	50.54	0.00	18.01	-	1.21	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	30-APR-2026 20:01	30-APR-2026 14:30	52.23	97.80	14.11	7.15	0.64	site_1931	Envea India Pvt Ltd

1 - 10 of 12,154

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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