Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 14:16:38
PM - 2.5 9.52 (µg/m3)
PM - 10 94.63 (µg/m3)
SO2 34.94 (µg/m3)
CO 2.66 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 14:15:55
PM - 2.5 21.84 (µg/m3)
PM - 10 45.01 (µg/m3)
SO2 27.46 (µg/m3)
CO 0.01 (mg/m3)
NO2 6.16 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 14:17:04
PM - 2.5 37.85 (µg/m3)
PM - 10 105.37 (µg/m3)
SO2 8.21 (µg/m3)
CO 1.00 (mg/m3)
NO2 19.81 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
18-04-2026 14:15:44
PM - 2.5 2.34 (µg/m3)
PM - 10 (µg/m3)
SO2 5.66 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 14:16:28
PM - 2.5 31 (µg/m3)
PM - 10 63 (µg/m3)
SO2 9.5 (µg/m3)
CO 0.57 (mg/m3)
NO2 17.7 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
18-04-2026 14:16:37
PM - 2.5 25 (µg/m3)
PM - 10 37 (µg/m3)
SO2 5.3 (µg/m3)
CO 0.31 (mg/m3)
NO2 24.3 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 14:16:47
PM - 2.5 0 (µg/m3)
PM - 10 164.91 (µg/m3)
SO2 15.64 (µg/m3)
CO 2.99 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 14:15:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 1.09 (mg/m3)
NO2 55.83 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
18-04-2026 14:16:35
PM - 2.5 35.74 (µg/m3)
PM - 10 191.8 (µg/m3)
SO2 15.71 (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 14:16:53
PM - 2.5 48.77 (µg/m3)
PM - 10 98.61 (µg/m3)
SO2 26.92 (µg/m3)
CO 1.72 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
18-04-2026 14:16:46
PM - 2.5 22.73 (µg/m3)
PM - 10 0 (µg/m3)
SO2 7.24 (µg/m3)
CO 0.19 (mg/m3)
NO2 1.91 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
18-04-2026 14:15:34
PM - 2.5 48.4 (µg/m3)
PM - 10 144.7 (µg/m3)
SO2 1.78 (µg/m3)
CO 0.59 (mg/m3)
NO2 2.33 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 14:07:03
PM - 2.5 47.2 (µg/m3)
PM - 10 94.03 (µg/m3)
SO2 19.02 (µg/m3)
CO 0.56 (mg/m3)
NO2 9.76 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 14:03:57
PM - 2.5 51.57 (µg/m3)
PM - 10 88.18 (µg/m3)
SO2 10.12 (µg/m3)
CO 0.38 (mg/m3)
NO2 3.83 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
18-04-2026 14:16:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 96.87 (µg/m3)
SO2 8.95 (µg/m3)
CO 0.84 (mg/m3)
NO2 16.71 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 14:16:58
PM - 2.5 45 (µg/m3)
PM - 10 79 (µg/m3)
SO2 9.2 (µg/m3)
CO 0.29 (mg/m3)
NO2 11 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 14:15:15
PM - 2.5 14.53 (µg/m3)
PM - 10 (µg/m3)
SO2 11.26 (µg/m3)
CO 0.48 (mg/m3)
NO2 124.55 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 14:16:37
PM - 2.5 39.72 (µg/m3)
PM - 10 108.45 (µg/m3)
SO2 67.69 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 14:16:38
PM - 2.5 9.52 (µg/m3)
PM - 10 94.63 (µg/m3)
SO2 34.94 (µg/m3)
CO 2.66 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 14:15:55
PM - 2.5 21.84 (µg/m3)
PM - 10 45.01 (µg/m3)
SO2 27.46 (µg/m3)
CO 0.01 (mg/m3)
NO2 6.16 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 14:17:04
PM - 2.5 37.85 (µg/m3)
PM - 10 105.37 (µg/m3)
SO2 8.21 (µg/m3)
CO 1.00 (mg/m3)
NO2 19.81 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
18-04-2026 14:15:44
PM - 2.5 2.34 (µg/m3)
PM - 10 (µg/m3)
SO2 5.66 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 14:16:28
PM - 2.5 31 (µg/m3)
PM - 10 63 (µg/m3)
SO2 9.5 (µg/m3)
CO 0.57 (mg/m3)
NO2 17.7 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
18-04-2026 14:16:37
PM - 2.5 25 (µg/m3)
PM - 10 37 (µg/m3)
SO2 5.3 (µg/m3)
CO 0.31 (mg/m3)
NO2 24.3 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 14:16:47
PM - 2.5 0 (µg/m3)
PM - 10 164.91 (µg/m3)
SO2 15.64 (µg/m3)
CO 2.99 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 14:15:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 1.09 (mg/m3)
NO2 55.83 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
18-04-2026 14:16:35
PM - 2.5 35.74 (µg/m3)
PM - 10 191.8 (µg/m3)
SO2 15.71 (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 14:16:53
PM - 2.5 48.77 (µg/m3)
PM - 10 98.61 (µg/m3)
SO2 26.92 (µg/m3)
CO 1.72 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
18-04-2026 14:16:46
PM - 2.5 22.73 (µg/m3)
PM - 10 0 (µg/m3)
SO2 7.24 (µg/m3)
CO 0.19 (mg/m3)
NO2 1.91 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
18-04-2026 14:15:34
PM - 2.5 48.4 (µg/m3)
PM - 10 144.7 (µg/m3)
SO2 1.78 (µg/m3)
CO 0.59 (mg/m3)
NO2 2.33 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 14:07:03
PM - 2.5 47.2 (µg/m3)
PM - 10 94.03 (µg/m3)
SO2 19.02 (µg/m3)
CO 0.56 (mg/m3)
NO2 9.76 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 14:03:57
PM - 2.5 51.57 (µg/m3)
PM - 10 88.18 (µg/m3)
SO2 10.12 (µg/m3)
CO 0.38 (mg/m3)
NO2 3.83 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
18-04-2026 14:16:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 96.87 (µg/m3)
SO2 8.95 (µg/m3)
CO 0.84 (mg/m3)
NO2 16.71 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 14:16:58
PM - 2.5 45 (µg/m3)
PM - 10 79 (µg/m3)
SO2 9.2 (µg/m3)
CO 0.29 (mg/m3)
NO2 11 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 14:15:15
PM - 2.5 14.53 (µg/m3)
PM - 10 (µg/m3)
SO2 11.26 (µg/m3)
CO 0.48 (mg/m3)
NO2 124.55 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 14:16:37
PM - 2.5 39.72 (µg/m3)
PM - 10 108.45 (µg/m3)
SO2 67.69 (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	62.39
18-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	71.09
18-APR-2026	South Eastern Coalfields Limited	SECL_KUSMUNDA	60	117,171.79

1 - 3

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	180.71
18-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	111.89
18-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	184.84

1 - 3

CAAQMS Data

1 - 10 of 5,140

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 14:16	18-APR-2026 08:46	48.77	98.61	26.92	-	1.72	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 14:16	18-APR-2026 08:45	0.00	164.91	15.64	-	2.99	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL,Kusmunda	SECL_KUSMUNDA	18-APR-2026 14:16	18-APR-2026 14:15	2,147,483.75	96.87	8.95	16.71	0.84	site_1963	Envea India Pvt Ltd
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	18-APR-2026 14:16	18-APR-2026 08:46	48.39	98.10	25.13	-	1.72	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 14:16	18-APR-2026 08:44	0.00	165.19	15.82	-	3.06	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 14:15	18-APR-2026 08:45	48.07	97.67	27.34	-	1.72	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 14:15	18-APR-2026 08:44	0.00	165.22	15.82	-	3.05	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 14:15	18-APR-2026 08:45	47.89	97.13	26.91	-	1.74	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 14:15	18-APR-2026 08:43	0.00	165.15	16.13	-	3.06	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Bilaspur, CHHATTISGARHr	South Eastern Coalfields Limited - AQMS_H_Q	18-APR-2026 14:15	18-APR-2026 08:44	14.53	-	11.26	124.55	0.48	site_5592	Swan Environ

1 - 10 of 5,140

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