Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
30-04-2026 19:46:32
PM - 2.5 22.03 (µg/m3)
PM - 10 49.04 (µg/m3)
SO2 6.25 (µg/m3)
CO 1.31 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
30-04-2026 19:46:40
PM - 2.5 19.38 (µg/m3)
PM - 10 29.63 (µg/m3)
SO2 45.86 (µg/m3)
CO 0.21 (mg/m3)
NO2 2.04 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
30-04-2026 19:45:55
PM - 2.5 17.16 (µg/m3)
PM - 10 99.61 (µg/m3)
SO2 52.91 (µg/m3)
CO 0.00 (mg/m3)
NO2 21.98 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
30-04-2026 19:46:37
PM - 2.5 16 (µg/m3)
PM - 10 32 (µg/m3)
SO2 4.9 (µg/m3)
CO 0.33 (mg/m3)
NO2 17.6 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
30-04-2026 19:45:52
PM - 2.5 2.39 (µg/m3)
PM - 10 (µg/m3)
SO2 5.53 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
SECL
Gayatri UG Mine
30-04-2026 19:46:37
PM - 2.5 20.34 (µg/m3)
PM - 10 30.92 (µg/m3)
SO2 22.13 (µg/m3)
CO 0.72 (mg/m3)
NO2 6.42 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
30-04-2026 19:46:11
PM - 2.5 16 (µg/m3)
PM - 10 26 (µg/m3)
SO2 7.7 (µg/m3)
CO 0.70 (mg/m3)
NO2 2.2 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
30-04-2026 19:46:30
PM - 2.5 30 (µg/m3)
PM - 10 58 (µg/m3)
SO2 10.7 (µg/m3)
CO 0.21 (mg/m3)
NO2 17.3 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
30-04-2026 19:46:36
PM - 2.5 48.45 (µg/m3)
PM - 10 0 (µg/m3)
SO2 18.16 (µg/m3)
CO 1.25 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
30-04-2026 19:45:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.29 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
30-04-2026 19:46:36
PM - 2.5 49.57 (µg/m3)
PM - 10 195.4 (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 19:46:23
PM - 2.5 33.85 (µg/m3)
PM - 10 734.14 (µg/m3)
SO2 25.15 (µg/m3)
CO 0.48 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
30-04-2026 19:46:28
PM - 2.5 3.52 (µg/m3)
PM - 10 48.96 (µg/m3)
SO2 3.92 (µg/m3)
CO 0.29 (mg/m3)
NO2 2.45 (µg/m3)
Northern Coalfields Limited
NCL_CETI
30-04-2026 19:33:25
PM - 2.5 68.18 (µg/m3)
PM - 10 117.56 (µg/m3)
SO2 24.62 (µg/m3)
CO 2.76 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
30-04-2026 19:37:33
PM - 2.5 36.3 (µg/m3)
PM - 10 62.39 (µg/m3)
SO2 15.04 (µg/m3)
CO 0.28 (mg/m3)
NO2 6.53 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
30-04-2026 19:46:01
PM - 2.5 45 (µg/m3)
PM - 10 86.71 (µg/m3)
SO2 12.16 (µg/m3)
CO 0.31 (mg/m3)
NO2 4.55 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
30-04-2026 19:46:34
PM - 2.5 42.81 (µg/m3)
PM - 10 56.58 (µg/m3)
SO2 7.39 (µg/m3)
CO 0.78 (mg/m3)
NO2 18.48 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
30-04-2026 19:46:28
PM - 2.5 27 (µg/m3)
PM - 10 48 (µg/m3)
SO2 9.4 (µg/m3)
CO 1.22 (mg/m3)
NO2 5.7 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
30-04-2026 19:45:05
PM - 2.5 14.15 (µg/m3)
PM - 10 (µg/m3)
SO2 10.69 (µg/m3)
CO 0.41 (mg/m3)
NO2 .16 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
30-04-2026 19:46:41
PM - 2.5 41.93 (µg/m3)
PM - 10 152.52 (µg/m3)
SO2 6.96 (µg/m3)
CO 0.45 (mg/m3)
NO2 5.83 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
30-04-2026 19:46:32
PM - 2.5 22.03 (µg/m3)
PM - 10 49.04 (µg/m3)
SO2 6.25 (µg/m3)
CO 1.31 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
30-04-2026 19:46:40
PM - 2.5 19.38 (µg/m3)
PM - 10 29.63 (µg/m3)
SO2 45.86 (µg/m3)
CO 0.21 (mg/m3)
NO2 2.04 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
30-04-2026 19:45:55
PM - 2.5 17.16 (µg/m3)
PM - 10 99.61 (µg/m3)
SO2 52.91 (µg/m3)
CO 0.00 (mg/m3)
NO2 21.98 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
30-04-2026 19:46:37
PM - 2.5 16 (µg/m3)
PM - 10 32 (µg/m3)
SO2 4.9 (µg/m3)
CO 0.33 (mg/m3)
NO2 17.6 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
30-04-2026 19:45:52
PM - 2.5 2.39 (µg/m3)
PM - 10 (µg/m3)
SO2 5.53 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
SECL
Gayatri UG Mine
30-04-2026 19:46:37
PM - 2.5 20.34 (µg/m3)
PM - 10 30.92 (µg/m3)
SO2 22.13 (µg/m3)
CO 0.72 (mg/m3)
NO2 6.42 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
30-04-2026 19:46:11
PM - 2.5 16 (µg/m3)
PM - 10 26 (µg/m3)
SO2 7.7 (µg/m3)
CO 0.70 (mg/m3)
NO2 2.2 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
30-04-2026 19:46:30
PM - 2.5 30 (µg/m3)
PM - 10 58 (µg/m3)
SO2 10.7 (µg/m3)
CO 0.21 (mg/m3)
NO2 17.3 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
30-04-2026 19:46:36
PM - 2.5 48.45 (µg/m3)
PM - 10 0 (µg/m3)
SO2 18.16 (µg/m3)
CO 1.25 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
30-04-2026 19:45:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.29 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
30-04-2026 19:46:36
PM - 2.5 49.57 (µg/m3)
PM - 10 195.4 (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 19:46:23
PM - 2.5 33.85 (µg/m3)
PM - 10 734.14 (µg/m3)
SO2 25.15 (µg/m3)
CO 0.48 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
30-04-2026 19:46:28
PM - 2.5 3.52 (µg/m3)
PM - 10 48.96 (µg/m3)
SO2 3.92 (µg/m3)
CO 0.29 (mg/m3)
NO2 2.45 (µg/m3)
Northern Coalfields Limited
NCL_CETI
30-04-2026 19:33:25
PM - 2.5 68.18 (µg/m3)
PM - 10 117.56 (µg/m3)
SO2 24.62 (µg/m3)
CO 2.76 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
30-04-2026 19:37:33
PM - 2.5 36.3 (µg/m3)
PM - 10 62.39 (µg/m3)
SO2 15.04 (µg/m3)
CO 0.28 (mg/m3)
NO2 6.53 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
30-04-2026 19:46:01
PM - 2.5 45 (µg/m3)
PM - 10 86.71 (µg/m3)
SO2 12.16 (µg/m3)
CO 0.31 (mg/m3)
NO2 4.55 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
30-04-2026 19:46:34
PM - 2.5 42.81 (µg/m3)
PM - 10 56.58 (µg/m3)
SO2 7.39 (µg/m3)
CO 0.78 (mg/m3)
NO2 18.48 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
30-04-2026 19:46:28
PM - 2.5 27 (µg/m3)
PM - 10 48 (µg/m3)
SO2 9.4 (µg/m3)
CO 1.22 (mg/m3)
NO2 5.7 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
30-04-2026 19:45:05
PM - 2.5 14.15 (µg/m3)
PM - 10 (µg/m3)
SO2 10.69 (µg/m3)
CO 0.41 (mg/m3)
NO2 .16 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
30-04-2026 19:46:41
PM - 2.5 41.93 (µg/m3)
PM - 10 152.52 (µg/m3)
SO2 6.96 (µg/m3)
CO 0.45 (mg/m3)
NO2 5.83 (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 12,086

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 19:46	30-APR-2026 14:12	48.45	0.00	18.16	-	1.25	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL,Kusmunda	SECL_KUSMUNDA	30-APR-2026 19:46	30-APR-2026 19:45	42.81	56.58	7.39	18.48	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 19:46	30-APR-2026 14:16	33.85	734.14	25.15	-	0.48	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	30-APR-2026 19:46	30-APR-2026 14:12	48.43	0.00	18.21	-	1.25	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	30-APR-2026 19:46	30-APR-2026 14:15	45.00	86.71	12.16	4.55	0.31	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 19:45	30-APR-2026 14:15	33.51	734.14	28.88	-	0.52	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	30-APR-2026 19:45	30-APR-2026 14:11	48.28	0.00	18.12	-	1.25	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 19:45	30-APR-2026 14:15	33.22	734.14	26.85	-	0.49	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	30-APR-2026 19:45	30-APR-2026 14:11	48.04	0.00	18.00	-	1.25	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Bilaspur, CHHATTISGARHr	South Eastern Coalfields Limited - AQMS_H_Q	30-APR-2026 19:45	30-APR-2026 14:13	14.15	-	10.69	0.16	0.41	site_5592	Swan Environ

1 - 10 of 12,086

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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