Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
30-04-2026 20:32:30
PM - 2.5 21.76 (µg/m3)
PM - 10 55.63 (µg/m3)
SO2 4.61 (µg/m3)
CO 1.33 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
30-04-2026 20:31:39
PM - 2.5 16.55 (µg/m3)
PM - 10 25.83 (µg/m3)
SO2 44.56 (µg/m3)
CO 0.66 (mg/m3)
NO2 2.38 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
30-04-2026 20:30:38
PM - 2.5 17.59 (µg/m3)
PM - 10 144.73 (µg/m3)
SO2 49.48 (µg/m3)
CO 0.01 (mg/m3)
NO2 25.06 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
30-04-2026 20:32:22
PM - 2.5 19 (µg/m3)
PM - 10 36 (µg/m3)
SO2 4.9 (µg/m3)
CO 0.39 (mg/m3)
NO2 17.7 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
30-04-2026 20:30:19
PM - 2.5 2.39 (µg/m3)
PM - 10 (µg/m3)
SO2 5.49 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
SECL
Gayatri UG Mine
30-04-2026 20:32:37
PM - 2.5 27.69 (µg/m3)
PM - 10 36.23 (µg/m3)
SO2 21.82 (µg/m3)
CO 0.86 (mg/m3)
NO2 6.55 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
30-04-2026 20:32:26
PM - 2.5 15 (µg/m3)
PM - 10 26 (µg/m3)
SO2 7.8 (µg/m3)
CO 0.77 (mg/m3)
NO2 2.2 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
30-04-2026 20:32:15
PM - 2.5 16 (µg/m3)
PM - 10 32 (µg/m3)
SO2 10.8 (µg/m3)
CO 0.24 (mg/m3)
NO2 17.3 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
30-04-2026 20:32:37
PM - 2.5 51.16 (µg/m3)
PM - 10 69.34 (µg/m3)
SO2 17.63 (µg/m3)
CO 1.20 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
30-04-2026 20:30:50
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 20:32:36
PM - 2.5 50.98 (µg/m3)
PM - 10 175.5 (µg/m3)
SO2 0 (µg/m3)
CO 0.59 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
30-04-2026 20:32:29
PM - 2.5 28.07 (µg/m3)
PM - 10 734.14 (µg/m3)
SO2 26.16 (µg/m3)
CO 0.60 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
30-04-2026 20:32:29
PM - 2.5 20.71 (µg/m3)
PM - 10 74.52 (µg/m3)
SO2 6.55 (µg/m3)
CO 0.41 (mg/m3)
NO2 2.23 (µg/m3)
Northern Coalfields Limited
NCL_CETI
30-04-2026 20:18:27
PM - 2.5 93.66 (µg/m3)
PM - 10 161.49 (µg/m3)
SO2 26.27 (µg/m3)
CO 2.78 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
30-04-2026 20:22:34
PM - 2.5 46.1 (µg/m3)
PM - 10 91 (µg/m3)
SO2 15.99 (µg/m3)
CO 0.43 (mg/m3)
NO2 9.45 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
30-04-2026 20:31:01
PM - 2.5 51.09 (µg/m3)
PM - 10 96.05 (µg/m3)
SO2 13.8 (µg/m3)
CO 0.59 (mg/m3)
NO2 6.74 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
30-04-2026 20:31:34
PM - 2.5 34.14 (µg/m3)
PM - 10 58.68 (µg/m3)
SO2 7.35 (µg/m3)
CO 0.79 (mg/m3)
NO2 18.46 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
30-04-2026 20:32:26
PM - 2.5 19 (µg/m3)
PM - 10 32 (µg/m3)
SO2 9.1 (µg/m3)
CO 1.11 (mg/m3)
NO2 6.8 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
30-04-2026 20:30:34
PM - 2.5 15.75 (µg/m3)
PM - 10 (µg/m3)
SO2 12.6 (µg/m3)
CO 0.80 (mg/m3)
NO2 74.16 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
30-04-2026 20:32:14
PM - 2.5 52.74 (µg/m3)
PM - 10 160.16 (µg/m3)
SO2 8.51 (µg/m3)
CO 0.90 (mg/m3)
NO2 5.87 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
30-04-2026 20:32:30
PM - 2.5 21.76 (µg/m3)
PM - 10 55.63 (µg/m3)
SO2 4.61 (µg/m3)
CO 1.33 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
30-04-2026 20:31:39
PM - 2.5 16.55 (µg/m3)
PM - 10 25.83 (µg/m3)
SO2 44.56 (µg/m3)
CO 0.66 (mg/m3)
NO2 2.38 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
30-04-2026 20:30:38
PM - 2.5 17.59 (µg/m3)
PM - 10 144.73 (µg/m3)
SO2 49.48 (µg/m3)
CO 0.01 (mg/m3)
NO2 25.06 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
30-04-2026 20:32:22
PM - 2.5 19 (µg/m3)
PM - 10 36 (µg/m3)
SO2 4.9 (µg/m3)
CO 0.39 (mg/m3)
NO2 17.7 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
30-04-2026 20:30:19
PM - 2.5 2.39 (µg/m3)
PM - 10 (µg/m3)
SO2 5.49 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
SECL
Gayatri UG Mine
30-04-2026 20:32:37
PM - 2.5 27.69 (µg/m3)
PM - 10 36.23 (µg/m3)
SO2 21.82 (µg/m3)
CO 0.86 (mg/m3)
NO2 6.55 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
30-04-2026 20:32:26
PM - 2.5 15 (µg/m3)
PM - 10 26 (µg/m3)
SO2 7.8 (µg/m3)
CO 0.77 (mg/m3)
NO2 2.2 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
30-04-2026 20:32:15
PM - 2.5 16 (µg/m3)
PM - 10 32 (µg/m3)
SO2 10.8 (µg/m3)
CO 0.24 (mg/m3)
NO2 17.3 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
30-04-2026 20:32:37
PM - 2.5 51.16 (µg/m3)
PM - 10 69.34 (µg/m3)
SO2 17.63 (µg/m3)
CO 1.20 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
30-04-2026 20:30:50
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 20:32:36
PM - 2.5 50.98 (µg/m3)
PM - 10 175.5 (µg/m3)
SO2 0 (µg/m3)
CO 0.59 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
30-04-2026 20:32:29
PM - 2.5 28.07 (µg/m3)
PM - 10 734.14 (µg/m3)
SO2 26.16 (µg/m3)
CO 0.60 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
30-04-2026 20:32:29
PM - 2.5 20.71 (µg/m3)
PM - 10 74.52 (µg/m3)
SO2 6.55 (µg/m3)
CO 0.41 (mg/m3)
NO2 2.23 (µg/m3)
Northern Coalfields Limited
NCL_CETI
30-04-2026 20:18:27
PM - 2.5 93.66 (µg/m3)
PM - 10 161.49 (µg/m3)
SO2 26.27 (µg/m3)
CO 2.78 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
30-04-2026 20:22:34
PM - 2.5 46.1 (µg/m3)
PM - 10 91 (µg/m3)
SO2 15.99 (µg/m3)
CO 0.43 (mg/m3)
NO2 9.45 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
30-04-2026 20:31:01
PM - 2.5 51.09 (µg/m3)
PM - 10 96.05 (µg/m3)
SO2 13.8 (µg/m3)
CO 0.59 (mg/m3)
NO2 6.74 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
30-04-2026 20:31:34
PM - 2.5 34.14 (µg/m3)
PM - 10 58.68 (µg/m3)
SO2 7.35 (µg/m3)
CO 0.79 (mg/m3)
NO2 18.46 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
30-04-2026 20:32:26
PM - 2.5 19 (µg/m3)
PM - 10 32 (µg/m3)
SO2 9.1 (µg/m3)
CO 1.11 (mg/m3)
NO2 6.8 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
30-04-2026 20:30:34
PM - 2.5 15.75 (µg/m3)
PM - 10 (µg/m3)
SO2 12.6 (µg/m3)
CO 0.80 (mg/m3)
NO2 74.16 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
30-04-2026 20:32:14
PM - 2.5 52.74 (µg/m3)
PM - 10 160.16 (µg/m3)
SO2 8.51 (µg/m3)
CO 0.90 (mg/m3)
NO2 5.87 (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 12,282

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	30-APR-2026 20:32	30-APR-2026 14:58	51.16	69.34	17.63	-	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 20:32	30-APR-2026 15:02	28.07	734.14	26.16	-	0.60	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	30-APR-2026 20:32	30-APR-2026 14:58	51.77	69.72	17.63	-	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 20:31	30-APR-2026 15:01	28.31	734.14	26.27	-	0.57	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	30-APR-2026 20:31	30-APR-2026 14:57	52.34	69.97	17.78	-	1.20	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL,Kusmunda	SECL_KUSMUNDA	30-APR-2026 20:31	30-APR-2026 20:30	34.14	58.68	7.35	18.46	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 20:31	30-APR-2026 15:01	28.57	734.14	25.64	-	0.59	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	30-APR-2026 20:31	30-APR-2026 14:57	52.98	70.11	17.73	-	1.20	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	30-APR-2026 20:31	30-APR-2026 15:00	51.09	96.05	13.80	6.74	0.59	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 20:30	30-APR-2026 15:00	28.83	734.14	25.01	-	0.59	site_5664	Thermo Fisher Scientific India Private Limited

1 - 10 of 12,282

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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