Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 20:37:17
PM - 2.5 59.71 (µg/m3)
PM - 10 42.9 (µg/m3)
SO2 10.73 (µg/m3)
CO 7.01 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 20:30:21
PM - 2.5 25.35 (µg/m3)
PM - 10 70.98 (µg/m3)
SO2 36.32 (µg/m3)
CO 0.15 (mg/m3)
NO2 35.53 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
18-04-2026 20:37:16
PM - 2.5 48 (µg/m3)
PM - 10 98 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.47 (mg/m3)
NO2 12.3 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 20:37:28
PM - 2.5 61.94 (µg/m3)
PM - 10 115.9 (µg/m3)
SO2 6.57 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
18-04-2026 20:30:12
PM - 2.5 2.42 (µg/m3)
PM - 10 (µg/m3)
SO2 5.61 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 20:37:32
PM - 2.5 29 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.9 (µg/m3)
CO 0.59 (mg/m3)
NO2 17.6 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
18-04-2026 20:37:17
PM - 2.5 27 (µg/m3)
PM - 10 42 (µg/m3)
SO2 5.2 (µg/m3)
CO 0.36 (mg/m3)
NO2 25 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 20:37:22
PM - 2.5 54.4 (µg/m3)
PM - 10 247.33 (µg/m3)
SO2 26.04 (µg/m3)
CO 4.96 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 20:37:31
PM - 2.5 0 (µg/m3)
PM - 10 179.2 (µg/m3)
SO2 18.63 (µg/m3)
CO 1.48 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S Ukni Opencast Mine
18-04-2026 20:37:16
PM - 2.5 17.29 (µg/m3)
PM - 10 145.31 (µg/m3)
SO2 17.82 (µg/m3)
CO 1.82 (mg/m3)
NO2 .69 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 20:30:51
PM - 2.5 .05 (µg/m3)
PM - 10 (µg/m3)
SO2 .03 (µg/m3)
CO 0.34 (mg/m3)
NO2 137.48 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
18-04-2026 20:37:07
PM - 2.5 139.9 (µg/m3)
PM - 10 591.4 (µg/m3)
SO2 38.31 (µg/m3)
CO 0.55 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
18-04-2026 20:37:14
PM - 2.5 103.99 (µg/m3)
PM - 10 421.6 (µg/m3)
SO2 28.58 (µg/m3)
CO 2.37 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
18-04-2026 20:33:19
PM - 2.5 89.94 (µg/m3)
PM - 10 155.07 (µg/m3)
SO2 0 (µg/m3)
CO 4.30 (mg/m3)
NO2 33.66 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
18-04-2026 20:30:28
PM - 2.5 63.5 (µg/m3)
PM - 10 170.5 (µg/m3)
SO2 0 (µg/m3)
CO 0.63 (mg/m3)
NO2 1.54 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 20:37:04
PM - 2.5 52 (µg/m3)
PM - 10 108.28 (µg/m3)
SO2 19.62 (µg/m3)
CO 0.65 (mg/m3)
NO2 11.21 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 20:33:58
PM - 2.5 48.52 (µg/m3)
PM - 10 83.5 (µg/m3)
SO2 9.3 (µg/m3)
CO 0.25 (mg/m3)
NO2 2.74 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
18-04-2026 20:31:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 59.34 (µg/m3)
SO2 7.18 (µg/m3)
CO 0.51 (mg/m3)
NO2 17.76 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 20:37:28
PM - 2.5 50 (µg/m3)
PM - 10 88 (µg/m3)
SO2 10.3 (µg/m3)
CO 0.50 (mg/m3)
NO2 10.4 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 20:30:50
PM - 2.5 45.41 (µg/m3)
PM - 10 (µg/m3)
SO2 42.2 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 20:37:15
PM - 2.5 86.87 (µg/m3)
PM - 10 99.38 (µg/m3)
SO2 14.17 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 20:37:17
PM - 2.5 59.71 (µg/m3)
PM - 10 42.9 (µg/m3)
SO2 10.73 (µg/m3)
CO 7.01 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 20:30:21
PM - 2.5 25.35 (µg/m3)
PM - 10 70.98 (µg/m3)
SO2 36.32 (µg/m3)
CO 0.15 (mg/m3)
NO2 35.53 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
18-04-2026 20:37:16
PM - 2.5 48 (µg/m3)
PM - 10 98 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.47 (mg/m3)
NO2 12.3 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 20:37:28
PM - 2.5 61.94 (µg/m3)
PM - 10 115.9 (µg/m3)
SO2 6.57 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
18-04-2026 20:30:12
PM - 2.5 2.42 (µg/m3)
PM - 10 (µg/m3)
SO2 5.61 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 20:37:32
PM - 2.5 29 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.9 (µg/m3)
CO 0.59 (mg/m3)
NO2 17.6 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
18-04-2026 20:37:17
PM - 2.5 27 (µg/m3)
PM - 10 42 (µg/m3)
SO2 5.2 (µg/m3)
CO 0.36 (mg/m3)
NO2 25 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 20:37:22
PM - 2.5 54.4 (µg/m3)
PM - 10 247.33 (µg/m3)
SO2 26.04 (µg/m3)
CO 4.96 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 20:37:31
PM - 2.5 0 (µg/m3)
PM - 10 179.2 (µg/m3)
SO2 18.63 (µg/m3)
CO 1.48 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S Ukni Opencast Mine
18-04-2026 20:37:16
PM - 2.5 17.29 (µg/m3)
PM - 10 145.31 (µg/m3)
SO2 17.82 (µg/m3)
CO 1.82 (mg/m3)
NO2 .69 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 20:30:51
PM - 2.5 .05 (µg/m3)
PM - 10 (µg/m3)
SO2 .03 (µg/m3)
CO 0.34 (mg/m3)
NO2 137.48 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
18-04-2026 20:37:07
PM - 2.5 139.9 (µg/m3)
PM - 10 591.4 (µg/m3)
SO2 38.31 (µg/m3)
CO 0.55 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
18-04-2026 20:37:14
PM - 2.5 103.99 (µg/m3)
PM - 10 421.6 (µg/m3)
SO2 28.58 (µg/m3)
CO 2.37 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
18-04-2026 20:33:19
PM - 2.5 89.94 (µg/m3)
PM - 10 155.07 (µg/m3)
SO2 0 (µg/m3)
CO 4.30 (mg/m3)
NO2 33.66 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
18-04-2026 20:30:28
PM - 2.5 63.5 (µg/m3)
PM - 10 170.5 (µg/m3)
SO2 0 (µg/m3)
CO 0.63 (mg/m3)
NO2 1.54 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 20:37:04
PM - 2.5 52 (µg/m3)
PM - 10 108.28 (µg/m3)
SO2 19.62 (µg/m3)
CO 0.65 (mg/m3)
NO2 11.21 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 20:33:58
PM - 2.5 48.52 (µg/m3)
PM - 10 83.5 (µg/m3)
SO2 9.3 (µg/m3)
CO 0.25 (mg/m3)
NO2 2.74 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
18-04-2026 20:31:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 59.34 (µg/m3)
SO2 7.18 (µg/m3)
CO 0.51 (mg/m3)
NO2 17.76 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 20:37:28
PM - 2.5 50 (µg/m3)
PM - 10 88 (µg/m3)
SO2 10.3 (µg/m3)
CO 0.50 (mg/m3)
NO2 10.4 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 20:30:50
PM - 2.5 45.41 (µg/m3)
PM - 10 (µg/m3)
SO2 42.2 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 20:37:15
PM - 2.5 86.87 (µg/m3)
PM - 10 99.38 (µg/m3)
SO2 14.17 (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 Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	75.38
18-APR-2026	South Eastern Coalfields Limited	SECL_KUSMUNDA	60	153,427.36

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	166.74
18-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	110.85
18-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	193.10

1 - 3

CAAQMS Data

1 - 10 of 7,115

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	18-APR-2026 20:37	18-APR-2026 15:03	0.00	179.20	18.63	-	1.48	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 20:37	18-APR-2026 15:05	54.40	247.33	26.04	-	4.96	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 20:37	18-APR-2026 15:07	103.99	421.60	28.58	-	2.37	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Gevra , Chattisgarh	SECL GEVRA	18-APR-2026 20:37	18-APR-2026 20:30	52.00	108.28	19.62	11.21	0.65	site_	Envea India Pvt Ltd
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 20:37	18-APR-2026 15:03	0.00	180.00	18.49	-	1.48	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 20:36	18-APR-2026 15:05	53.43	246.19	25.45	-	5.23	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 20:36	18-APR-2026 15:06	104.12	422.12	25.33	-	2.39	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 20:36	18-APR-2026 15:02	0.00	180.80	18.42	-	1.48	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 20:36	18-APR-2026 15:04	52.54	244.80	25.23	-	4.40	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 20:36	18-APR-2026 15:06	104.19	422.64	25.87	-	2.39	site_5664	Thermo Fisher Scientific India Private Limited

1 - 10 of 7,115

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