Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
30-04-2026 18:47:00
PM - 2.5 1.86 (µg/m3)
PM - 10 23.56 (µg/m3)
SO2 4.85 (µg/m3)
CO 1.45 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
30-04-2026 18:46:39
PM - 2.5 21.78 (µg/m3)
PM - 10 35.68 (µg/m3)
SO2 48.34 (µg/m3)
CO 0.66 (mg/m3)
NO2 1.99 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
30-04-2026 18:45:19
PM - 2.5 13.96 (µg/m3)
PM - 10 57.91 (µg/m3)
SO2 54.91 (µg/m3)
CO 0.00 (mg/m3)
NO2 7.81 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
30-04-2026 18:46:36
PM - 2.5 33 (µg/m3)
PM - 10 67 (µg/m3)
SO2 5 (µg/m3)
CO 0.33 (mg/m3)
NO2 17.2 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
30-04-2026 18:45:37
PM - 2.5 2.34 (µg/m3)
PM - 10 (µg/m3)
SO2 5.46 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
SECL
Gayatri UG Mine
30-04-2026 18:47:03
PM - 2.5 13.38 (µg/m3)
PM - 10 31.22 (µg/m3)
SO2 22.06 (µg/m3)
CO 0.80 (mg/m3)
NO2 6.49 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
30-04-2026 18:46:07
PM - 2.5 29 (µg/m3)
PM - 10 51 (µg/m3)
SO2 8.3 (µg/m3)
CO 0.71 (mg/m3)
NO2 2.2 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
30-04-2026 18:46:30
PM - 2.5 17 (µg/m3)
PM - 10 34 (µg/m3)
SO2 10.6 (µg/m3)
CO 0.25 (mg/m3)
NO2 17.2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
30-04-2026 18:46:33
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 0 (µg/m3)
CO 0.00 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
30-04-2026 18:45:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.21 (mg/m3)
NO2 260.64 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
30-04-2026 18:46:38
PM - 2.5 40.35 (µg/m3)
PM - 10 113.1 (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 18:46:59
PM - 2.5 25.73 (µg/m3)
PM - 10 734.14 (µg/m3)
SO2 23.4 (µg/m3)
CO 0.39 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
30-04-2026 18:33:25
PM - 2.5 38.41 (µg/m3)
PM - 10 66.22 (µg/m3)
SO2 24.11 (µg/m3)
CO 2.39 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
30-04-2026 18:37:34
PM - 2.5 49.7 (µg/m3)
PM - 10 101.44 (µg/m3)
SO2 16.34 (µg/m3)
CO 0.48 (mg/m3)
NO2 10.51 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
30-04-2026 18:46:00
PM - 2.5 49.96 (µg/m3)
PM - 10 94.31 (µg/m3)
SO2 13.5 (µg/m3)
CO 0.54 (mg/m3)
NO2 6.33 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
30-04-2026 18:46:34
PM - 2.5 32 (µg/m3)
PM - 10 58.02 (µg/m3)
SO2 7.85 (µg/m3)
CO 0.79 (mg/m3)
NO2 18.44 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
30-04-2026 18:46:46
PM - 2.5 42 (µg/m3)
PM - 10 74 (µg/m3)
SO2 9.1 (µg/m3)
CO 1.36 (mg/m3)
NO2 5.9 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
30-04-2026 18:45:45
PM - 2.5 12.76 (µg/m3)
PM - 10 (µg/m3)
SO2 .27 (µg/m3)
CO ##### (mg/m3)
NO2 31.92 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
30-04-2026 18:46:40
PM - 2.5 87.26 (µg/m3)
PM - 10 148.74 (µg/m3)
SO2 5.71 (µg/m3)
CO 0.51 (mg/m3)
NO2 8.55 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
30-04-2026 18:47:00
PM - 2.5 1.86 (µg/m3)
PM - 10 23.56 (µg/m3)
SO2 4.85 (µg/m3)
CO 1.45 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
30-04-2026 18:46:39
PM - 2.5 21.78 (µg/m3)
PM - 10 35.68 (µg/m3)
SO2 48.34 (µg/m3)
CO 0.66 (mg/m3)
NO2 1.99 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
30-04-2026 18:45:19
PM - 2.5 13.96 (µg/m3)
PM - 10 57.91 (µg/m3)
SO2 54.91 (µg/m3)
CO 0.00 (mg/m3)
NO2 7.81 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
30-04-2026 18:46:36
PM - 2.5 33 (µg/m3)
PM - 10 67 (µg/m3)
SO2 5 (µg/m3)
CO 0.33 (mg/m3)
NO2 17.2 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
30-04-2026 18:45:37
PM - 2.5 2.34 (µg/m3)
PM - 10 (µg/m3)
SO2 5.46 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
SECL
Gayatri UG Mine
30-04-2026 18:47:03
PM - 2.5 13.38 (µg/m3)
PM - 10 31.22 (µg/m3)
SO2 22.06 (µg/m3)
CO 0.80 (mg/m3)
NO2 6.49 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
30-04-2026 18:46:07
PM - 2.5 29 (µg/m3)
PM - 10 51 (µg/m3)
SO2 8.3 (µg/m3)
CO 0.71 (mg/m3)
NO2 2.2 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
30-04-2026 18:46:30
PM - 2.5 17 (µg/m3)
PM - 10 34 (µg/m3)
SO2 10.6 (µg/m3)
CO 0.25 (mg/m3)
NO2 17.2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
30-04-2026 18:46:33
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 0 (µg/m3)
CO 0.00 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
30-04-2026 18:45:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.21 (mg/m3)
NO2 260.64 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
30-04-2026 18:46:38
PM - 2.5 40.35 (µg/m3)
PM - 10 113.1 (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 18:46:59
PM - 2.5 25.73 (µg/m3)
PM - 10 734.14 (µg/m3)
SO2 23.4 (µg/m3)
CO 0.39 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
30-04-2026 18:33:25
PM - 2.5 38.41 (µg/m3)
PM - 10 66.22 (µg/m3)
SO2 24.11 (µg/m3)
CO 2.39 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
30-04-2026 18:37:34
PM - 2.5 49.7 (µg/m3)
PM - 10 101.44 (µg/m3)
SO2 16.34 (µg/m3)
CO 0.48 (mg/m3)
NO2 10.51 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
30-04-2026 18:46:00
PM - 2.5 49.96 (µg/m3)
PM - 10 94.31 (µg/m3)
SO2 13.5 (µg/m3)
CO 0.54 (mg/m3)
NO2 6.33 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
30-04-2026 18:46:34
PM - 2.5 32 (µg/m3)
PM - 10 58.02 (µg/m3)
SO2 7.85 (µg/m3)
CO 0.79 (mg/m3)
NO2 18.44 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
30-04-2026 18:46:46
PM - 2.5 42 (µg/m3)
PM - 10 74 (µg/m3)
SO2 9.1 (µg/m3)
CO 1.36 (mg/m3)
NO2 5.9 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
30-04-2026 18:45:45
PM - 2.5 12.76 (µg/m3)
PM - 10 (µg/m3)
SO2 .27 (µg/m3)
CO ##### (mg/m3)
NO2 31.92 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
30-04-2026 18:46:40
PM - 2.5 87.26 (µg/m3)
PM - 10 148.74 (µg/m3)
SO2 5.71 (µg/m3)
CO 0.51 (mg/m3)
NO2 8.55 (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 11,843

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 18:46	30-APR-2026 13:16	25.73	734.14	23.40	-	0.39	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL,Kusmunda	SECL_KUSMUNDA	30-APR-2026 18:46	30-APR-2026 18:45	32.00	58.02	7.85	18.44	0.79	site_1963	Envea India Pvt Ltd
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	30-APR-2026 18:46	30-APR-2026 13:12	0.00	0.00	0.00	-	0.00	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 18:46	30-APR-2026 13:16	25.77	734.14	23.48	-	0.42	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 18:46	30-APR-2026 13:15	25.91	734.14	25.61	-	0.41	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	30-APR-2026 18:46	30-APR-2026 13:15	49.96	94.31	13.50	6.33	0.54	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	Bilaspur, CHHATTISGARHr	South Eastern Coalfields Limited - AQMS_H_Q	30-APR-2026 18:45	30-APR-2026 13:14	12.76	-	0.27	31.92	89.47	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 18:45	30-APR-2026 13:15	26.00	734.14	23.57	-	0.42	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 18:45	30-APR-2026 13:15	25.84	734.14	25.67	-	0.44	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 18:44	30-APR-2026 13:14	25.65	734.14	25.48	-	0.42	site_5664	Thermo Fisher Scientific India Private Limited

1 - 10 of 11,843

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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