Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
18-04-2026 11:16:25
PM - 2.5 23.83 (µg/m3)
PM - 10 28.97 (µg/m3)
SO2 26.25 (µg/m3)
CO 0.44 (mg/m3)
NO2 2.19 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 11:16:25
PM - 2.5 23.49 (µg/m3)
PM - 10 68.29 (µg/m3)
SO2 43.51 (µg/m3)
CO 5.08 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 11:15:11
PM - 2.5 23.95 (µg/m3)
PM - 10 57.21 (µg/m3)
SO2 24.88 (µg/m3)
CO 0.10 (mg/m3)
NO2 36.56 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
18-04-2026 11:16:33
PM - 2.5 41 (µg/m3)
PM - 10 83 (µg/m3)
SO2 4.8 (µg/m3)
CO 0.59 (mg/m3)
NO2 17.1 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 11:16:24
PM - 2.5 66.3 (µg/m3)
PM - 10 167.22 (µg/m3)
SO2 12.94 (µg/m3)
CO 1.00 (mg/m3)
NO2 5.73 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
18-04-2026 11:15:50
PM - 2.5 2.24 (µg/m3)
PM - 10 (µg/m3)
SO2 5.32 (µg/m3)
CO ##### (mg/m3)
NO2 1.2 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 11:16:26
PM - 2.5 25 (µg/m3)
PM - 10 50 (µg/m3)
SO2 10.3 (µg/m3)
CO 0.64 (mg/m3)
NO2 17.7 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
18-04-2026 11:16:05
PM - 2.5 31 (µg/m3)
PM - 10 46 (µg/m3)
SO2 5.4 (µg/m3)
CO 0.34 (mg/m3)
NO2 24.8 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 11:16:11
PM - 2.5 0 (µg/m3)
PM - 10 233.47 (µg/m3)
SO2 32.19 (µg/m3)
CO 3.13 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 11:16:19
PM - 2.5 66.05 (µg/m3)
PM - 10 95.42 (µg/m3)
SO2 26.31 (µg/m3)
CO 1.38 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 11:15:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.92 (mg/m3)
NO2 304.98 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
18-04-2026 11:16:35
PM - 2.5 69.63 (µg/m3)
PM - 10 154.5 (µg/m3)
SO2 3.91 (µg/m3)
CO 0.51 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
18-04-2026 11:16:30
PM - 2.5 57.07 (µg/m3)
PM - 10 126.42 (µg/m3)
SO2 27.01 (µg/m3)
CO 1.89 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
18-04-2026 11:16:15
PM - 2.5 10.37 (µg/m3)
PM - 10 0 (µg/m3)
SO2 6.76 (µg/m3)
CO 0.39 (mg/m3)
NO2 2.02 (µg/m3)
Northern Coalfields Limited
NCL_CETI
18-04-2026 11:03:16
PM - 2.5 86.13 (µg/m3)
PM - 10 148.51 (µg/m3)
SO2 67.59 (µg/m3)
CO 4.15 (mg/m3)
NO2 33.68 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
18-04-2026 11:15:10
PM - 2.5 62.8 (µg/m3)
PM - 10 162 (µg/m3)
SO2 1.63 (µg/m3)
CO 0.58 (mg/m3)
NO2 1.43 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 11:07:04
PM - 2.5 36 (µg/m3)
PM - 10 61.27 (µg/m3)
SO2 17.65 (µg/m3)
CO 0.34 (mg/m3)
NO2 6.41 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 11:03:56
PM - 2.5 50.53 (µg/m3)
PM - 10 86.59 (µg/m3)
SO2 9.84 (µg/m3)
CO 0.34 (mg/m3)
NO2 3.46 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
18-04-2026 11:16:20
PM - 2.5 37.07 (µg/m3)
PM - 10 58.71 (µg/m3)
SO2 7.32 (µg/m3)
CO 0.51 (mg/m3)
NO2 16.33 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 11:16:32
PM - 2.5 32 (µg/m3)
PM - 10 56 (µg/m3)
SO2 9.3 (µg/m3)
CO 0.34 (mg/m3)
NO2 10.7 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 11:15:20
PM - 2.5 18.95 (µg/m3)
PM - 10 (µg/m3)
SO2 15.94 (µg/m3)
CO 0.31 (mg/m3)
NO2 195.92 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 11:16:35
PM - 2.5 29.46 (µg/m3)
PM - 10 95.92 (µg/m3)
SO2 17.65 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
18-04-2026 11:16:25
PM - 2.5 23.83 (µg/m3)
PM - 10 28.97 (µg/m3)
SO2 26.25 (µg/m3)
CO 0.44 (mg/m3)
NO2 2.19 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 11:16:25
PM - 2.5 23.49 (µg/m3)
PM - 10 68.29 (µg/m3)
SO2 43.51 (µg/m3)
CO 5.08 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 11:15:11
PM - 2.5 23.95 (µg/m3)
PM - 10 57.21 (µg/m3)
SO2 24.88 (µg/m3)
CO 0.10 (mg/m3)
NO2 36.56 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
18-04-2026 11:16:33
PM - 2.5 41 (µg/m3)
PM - 10 83 (µg/m3)
SO2 4.8 (µg/m3)
CO 0.59 (mg/m3)
NO2 17.1 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 11:16:24
PM - 2.5 66.3 (µg/m3)
PM - 10 167.22 (µg/m3)
SO2 12.94 (µg/m3)
CO 1.00 (mg/m3)
NO2 5.73 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
18-04-2026 11:15:50
PM - 2.5 2.24 (µg/m3)
PM - 10 (µg/m3)
SO2 5.32 (µg/m3)
CO ##### (mg/m3)
NO2 1.2 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 11:16:26
PM - 2.5 25 (µg/m3)
PM - 10 50 (µg/m3)
SO2 10.3 (µg/m3)
CO 0.64 (mg/m3)
NO2 17.7 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
18-04-2026 11:16:05
PM - 2.5 31 (µg/m3)
PM - 10 46 (µg/m3)
SO2 5.4 (µg/m3)
CO 0.34 (mg/m3)
NO2 24.8 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 11:16:11
PM - 2.5 0 (µg/m3)
PM - 10 233.47 (µg/m3)
SO2 32.19 (µg/m3)
CO 3.13 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 11:16:19
PM - 2.5 66.05 (µg/m3)
PM - 10 95.42 (µg/m3)
SO2 26.31 (µg/m3)
CO 1.38 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 11:15:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.92 (mg/m3)
NO2 304.98 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
18-04-2026 11:16:35
PM - 2.5 69.63 (µg/m3)
PM - 10 154.5 (µg/m3)
SO2 3.91 (µg/m3)
CO 0.51 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
18-04-2026 11:16:30
PM - 2.5 57.07 (µg/m3)
PM - 10 126.42 (µg/m3)
SO2 27.01 (µg/m3)
CO 1.89 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
18-04-2026 11:16:15
PM - 2.5 10.37 (µg/m3)
PM - 10 0 (µg/m3)
SO2 6.76 (µg/m3)
CO 0.39 (mg/m3)
NO2 2.02 (µg/m3)
Northern Coalfields Limited
NCL_CETI
18-04-2026 11:03:16
PM - 2.5 86.13 (µg/m3)
PM - 10 148.51 (µg/m3)
SO2 67.59 (µg/m3)
CO 4.15 (mg/m3)
NO2 33.68 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
18-04-2026 11:15:10
PM - 2.5 62.8 (µg/m3)
PM - 10 162 (µg/m3)
SO2 1.63 (µg/m3)
CO 0.58 (mg/m3)
NO2 1.43 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 11:07:04
PM - 2.5 36 (µg/m3)
PM - 10 61.27 (µg/m3)
SO2 17.65 (µg/m3)
CO 0.34 (mg/m3)
NO2 6.41 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 11:03:56
PM - 2.5 50.53 (µg/m3)
PM - 10 86.59 (µg/m3)
SO2 9.84 (µg/m3)
CO 0.34 (mg/m3)
NO2 3.46 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
18-04-2026 11:16:20
PM - 2.5 37.07 (µg/m3)
PM - 10 58.71 (µg/m3)
SO2 7.32 (µg/m3)
CO 0.51 (mg/m3)
NO2 16.33 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 11:16:32
PM - 2.5 32 (µg/m3)
PM - 10 56 (µg/m3)
SO2 9.3 (µg/m3)
CO 0.34 (mg/m3)
NO2 10.7 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 11:15:20
PM - 2.5 18.95 (µg/m3)
PM - 10 (µg/m3)
SO2 15.94 (µg/m3)
CO 0.31 (mg/m3)
NO2 195.92 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 11:16:35
PM - 2.5 29.46 (µg/m3)
PM - 10 95.92 (µg/m3)
SO2 17.65 (µg/m3)
CO ##### (mg/m3)
NO2 0 (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)
18-APR-2026	South Eastern Coalfields Limited	M/S Kanchan OC Coal Mine	60	79.09
18-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	76.26

1 - 2

Record Date	Company name	Mine name	Permissible Limit (µg/m3)	Average PM - 10 (µg/m3)
18-APR-2026	South Eastern Coalfields Limited	M/S Kanchan OC Coal Mine	100	168.76
18-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	114.58
18-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	204.30

1 - 3

CAAQMS Data

1 - 10 of 4,212

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	18-APR-2026 11:16	18-APR-2026 05:46	57.07	126.42	27.01	-	1.89	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL,Kusmunda	SECL_KUSMUNDA	18-APR-2026 11:16	18-APR-2026 11:15	37.07	58.71	7.32	16.33	0.51	site_1963	Envea India Pvt Ltd
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 11:16	18-APR-2026 05:42	66.05	95.42	26.31	-	1.38	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 11:16	18-APR-2026 05:44	0.00	233.47	32.19	-	3.13	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	18-APR-2026 11:15	18-APR-2026 05:45	56.86	125.98	26.85	-	1.90	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 11:15	18-APR-2026 05:42	66.00	95.71	26.52	-	1.39	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 11:15	18-APR-2026 05:44	0.00	234.33	32.08	-	3.17	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	18-APR-2026 11:15	18-APR-2026 05:45	56.75	125.47	25.10	-	1.94	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Bilaspur, CHHATTISGARHr	South Eastern Coalfields Limited - AQMS_H_Q	18-APR-2026 11:15	18-APR-2026 05:44	18.95	-	15.94	195.92	0.31	site_5592	Swan Environ
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 11:15	18-APR-2026 05:41	65.94	96.04	26.38	-	1.39	site_5720	Thermo Fisher Scientific India Private Limited

1 - 10 of 4,212

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