Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 06:04:00
PM - 2.5 97.08 (µg/m3)
PM - 10 352.26 (µg/m3)
SO2 4.68 (µg/m3)
CO 2.07 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 06:00:49
PM - 2.5 24.84 (µg/m3)
PM - 10 87.83 (µg/m3)
SO2 0 (µg/m3)
CO 0.29 (mg/m3)
NO2 11.5 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 06:04:01
PM - 2.5 6 (µg/m3)
PM - 10 11 (µg/m3)
SO2 4.5 (µg/m3)
CO 0.00 (mg/m3)
NO2 19.2 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 06:04:00
PM - 2.5 66.11 (µg/m3)
PM - 10 145.3 (µg/m3)
SO2 5.47 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 06:00:19
PM - 2.5 2.29 (µg/m3)
PM - 10 (µg/m3)
SO2 5.56 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 06:03:42
PM - 2.5 14 (µg/m3)
PM - 10 22 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.36 (mg/m3)
NO2 21.1 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 06:04:09
PM - 2.5 40.72 (µg/m3)
PM - 10 68.47 (µg/m3)
SO2 22.89 (µg/m3)
CO 1.60 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 06:00:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 986.05 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 06:04:04
PM - 2.5 50.15 (µg/m3)
PM - 10 146.1 (µg/m3)
SO2 3.49 (µg/m3)
CO 0.56 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
12-04-2026 06:04:03
PM - 2.5 73.06 (µg/m3)
PM - 10 162.22 (µg/m3)
SO2 21.9 (µg/m3)
CO 2.52 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 06:03:14
PM - 2.5 119.46 (µg/m3)
PM - 10 205.96 (µg/m3)
SO2 18.87 (µg/m3)
CO 3.78 (mg/m3)
NO2 19.78 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 06:00:29
PM - 2.5 54.5 (µg/m3)
PM - 10 197.9 (µg/m3)
SO2 .69 (µg/m3)
CO 0.68 (mg/m3)
NO2 2.95 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 05:52:00
PM - 2.5 58.2 (µg/m3)
PM - 10 99.93 (µg/m3)
SO2 12.88 (µg/m3)
CO 0.46 (mg/m3)
NO2 8.88 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 05:49:18
PM - 2.5 48.59 (µg/m3)
PM - 10 83.62 (µg/m3)
SO2 9.32 (µg/m3)
CO 0.25 (mg/m3)
NO2 2.76 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 06:02:31
PM - 2.5 0 (µg/m3)
PM - 10 91.95 (µg/m3)
SO2 7.62 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.31 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 06:03:56
PM - 2.5 28 (µg/m3)
PM - 10 49 (µg/m3)
SO2 5.1 (µg/m3)
CO 1.20 (mg/m3)
NO2 3.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 06:00:14
PM - 2.5 9.74 (µg/m3)
PM - 10 (µg/m3)
SO2 6.74 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 06:04:03
PM - 2.5 75.97 (µg/m3)
PM - 10 90.75 (µg/m3)
SO2 31.21 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 06:04:00
PM - 2.5 97.08 (µg/m3)
PM - 10 352.26 (µg/m3)
SO2 4.68 (µg/m3)
CO 2.07 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 06:00:49
PM - 2.5 24.84 (µg/m3)
PM - 10 87.83 (µg/m3)
SO2 0 (µg/m3)
CO 0.29 (mg/m3)
NO2 11.5 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 06:04:01
PM - 2.5 6 (µg/m3)
PM - 10 11 (µg/m3)
SO2 4.5 (µg/m3)
CO 0.00 (mg/m3)
NO2 19.2 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 06:04:00
PM - 2.5 66.11 (µg/m3)
PM - 10 145.3 (µg/m3)
SO2 5.47 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 06:00:19
PM - 2.5 2.29 (µg/m3)
PM - 10 (µg/m3)
SO2 5.56 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 06:03:42
PM - 2.5 14 (µg/m3)
PM - 10 22 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.36 (mg/m3)
NO2 21.1 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 06:04:09
PM - 2.5 40.72 (µg/m3)
PM - 10 68.47 (µg/m3)
SO2 22.89 (µg/m3)
CO 1.60 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 06:00:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 986.05 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 06:04:04
PM - 2.5 50.15 (µg/m3)
PM - 10 146.1 (µg/m3)
SO2 3.49 (µg/m3)
CO 0.56 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
12-04-2026 06:04:03
PM - 2.5 73.06 (µg/m3)
PM - 10 162.22 (µg/m3)
SO2 21.9 (µg/m3)
CO 2.52 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 06:03:14
PM - 2.5 119.46 (µg/m3)
PM - 10 205.96 (µg/m3)
SO2 18.87 (µg/m3)
CO 3.78 (mg/m3)
NO2 19.78 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 06:00:29
PM - 2.5 54.5 (µg/m3)
PM - 10 197.9 (µg/m3)
SO2 .69 (µg/m3)
CO 0.68 (mg/m3)
NO2 2.95 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 05:52:00
PM - 2.5 58.2 (µg/m3)
PM - 10 99.93 (µg/m3)
SO2 12.88 (µg/m3)
CO 0.46 (mg/m3)
NO2 8.88 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 05:49:18
PM - 2.5 48.59 (µg/m3)
PM - 10 83.62 (µg/m3)
SO2 9.32 (µg/m3)
CO 0.25 (mg/m3)
NO2 2.76 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 06:02:31
PM - 2.5 0 (µg/m3)
PM - 10 91.95 (µg/m3)
SO2 7.62 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.31 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 06:03:56
PM - 2.5 28 (µg/m3)
PM - 10 49 (µg/m3)
SO2 5.1 (µg/m3)
CO 1.20 (mg/m3)
NO2 3.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 06:00:14
PM - 2.5 9.74 (µg/m3)
PM - 10 (µg/m3)
SO2 6.74 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 06:04:03
PM - 2.5 75.97 (µg/m3)
PM - 10 90.75 (µg/m3)
SO2 31.21 (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)
12-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	60	60.14
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	134.50

1 - 2

Record Date	Company name	Mine name	Permissible Limit (µg/m3)	Average PM - 10 (µg/m3)
12-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	115.53
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	256.86

1 - 2

CAAQMS Data

1 - 10 of 1,543

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	12-APR-2026 06:04	12-APR-2026 00:30	40.72	68.47	22.89	-	1.60	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	12-APR-2026 06:04	12-APR-2026 00:34	73.06	162.22	21.90	-	2.52	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 06:03	12-APR-2026 00:29	40.50	68.47	22.69	-	1.60	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	12-APR-2026 06:03	12-APR-2026 00:33	72.96	162.02	23.23	-	2.52	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 06:03	12-APR-2026 00:29	40.30	68.47	22.43	-	1.60	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	12-APR-2026 06:03	12-APR-2026 00:32	72.74	162.05	19.96	-	2.46	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 06:02	12-APR-2026 00:28	40.14	68.47	22.09	-	1.62	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL,Kusmunda	SECL_KUSMUNDA	12-APR-2026 06:02	12-APR-2026 06:00	0.00	91.95	7.62	13.31	0.42	site_1963	Envea India Pvt Ltd
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	12-APR-2026 06:02	12-APR-2026 00:32	72.42	162.31	22.05	-	2.47	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 06:02	12-APR-2026 00:28	39.86	68.47	21.61	-	1.63	site_5720	Thermo Fisher Scientific India Private Limited

1 - 10 of 1,543

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