Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
16-04-2026 23:32:30
PM - 2.5 32.4 (µg/m3)
PM - 10 14.85 (µg/m3)
SO2 4.39 (µg/m3)
CO 1.50 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
16-04-2026 23:32:26
PM - 2.5 49.65 (µg/m3)
PM - 10 276.79 (µg/m3)
SO2 8.89 (µg/m3)
CO 6.45 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
16-04-2026 23:30:37
PM - 2.5 32.14 (µg/m3)
PM - 10 102.57 (µg/m3)
SO2 20.59 (µg/m3)
CO 0.76 (mg/m3)
NO2 11.91 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
16-04-2026 23:30:24
PM - 2.5 2.31 (µg/m3)
PM - 10 (µg/m3)
SO2 5.4 (µg/m3)
CO ##### (mg/m3)
NO2 .15 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
16-04-2026 23:32:19
PM - 2.5 31 (µg/m3)
PM - 10 61 (µg/m3)
SO2 9.9 (µg/m3)
CO 0.94 (mg/m3)
NO2 17.7 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
16-04-2026 23:32:30
PM - 2.5 11 (µg/m3)
PM - 10 17 (µg/m3)
SO2 5.5 (µg/m3)
CO 0.31 (mg/m3)
NO2 22.3 (µg/m3)
Western Coalfields Limited
M/S Ghonsa Opencast Mine
16-04-2026 23:32:28
PM - 2.5 54.37 (µg/m3)
PM - 10 75.98 (µg/m3)
SO2 6.97 (µg/m3)
CO 0.89 (mg/m3)
NO2 2.6 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
16-04-2026 23:32:18
PM - 2.5 36.51 (µg/m3)
PM - 10 162.8 (µg/m3)
SO2 18.14 (µg/m3)
CO 1.54 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
16-04-2026 23:30:51
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
16-04-2026 23:32:36
PM - 2.5 104.7 (µg/m3)
PM - 10 253.1 (µg/m3)
SO2 48.63 (µg/m3)
CO 0.54 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
16-04-2026 23:32:27
PM - 2.5 25.96 (µg/m3)
PM - 10 56.59 (µg/m3)
SO2 22.65 (µg/m3)
CO 2.07 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
16-04-2026 23:32:23
PM - 2.5 20.37 (µg/m3)
PM - 10 190.1 (µg/m3)
SO2 31.04 (µg/m3)
CO 0.82 (mg/m3)
NO2 2.01 (µg/m3)
Northern Coalfields Limited
NCL_CETI
16-04-2026 23:18:17
PM - 2.5 67.07 (µg/m3)
PM - 10 115.64 (µg/m3)
SO2 25.34 (µg/m3)
CO 3.76 (mg/m3)
NO2 22.7 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
16-04-2026 23:30:17
PM - 2.5 67.5 (µg/m3)
PM - 10 170.9 (µg/m3)
SO2 .23 (µg/m3)
CO 1.23 (mg/m3)
NO2 1.97 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
16-04-2026 23:22:02
PM - 2.5 46.8 (µg/m3)
PM - 10 99.4 (µg/m3)
SO2 18.2 (µg/m3)
CO 0.60 (mg/m3)
NO2 10.17 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
16-04-2026 23:19:48
PM - 2.5 52.96 (µg/m3)
PM - 10 90.32 (µg/m3)
SO2 10.5 (µg/m3)
CO 0.45 (mg/m3)
NO2 4.33 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
16-04-2026 23:32:07
PM - 2.5 15.51 (µg/m3)
PM - 10 41.88 (µg/m3)
SO2 6.7 (µg/m3)
CO 0.24 (mg/m3)
NO2 13.2 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
16-04-2026 23:30:41
PM - 2.5 13.26 (µg/m3)
PM - 10 (µg/m3)
SO2 10.1 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
16-04-2026 23:32:15
PM - 2.5 171.01 (µg/m3)
PM - 10 269.97 (µg/m3)
SO2 176.09 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
16-04-2026 23:32:30
PM - 2.5 32.4 (µg/m3)
PM - 10 14.85 (µg/m3)
SO2 4.39 (µg/m3)
CO 1.50 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
16-04-2026 23:32:26
PM - 2.5 49.65 (µg/m3)
PM - 10 276.79 (µg/m3)
SO2 8.89 (µg/m3)
CO 6.45 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
16-04-2026 23:30:37
PM - 2.5 32.14 (µg/m3)
PM - 10 102.57 (µg/m3)
SO2 20.59 (µg/m3)
CO 0.76 (mg/m3)
NO2 11.91 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
16-04-2026 23:30:24
PM - 2.5 2.31 (µg/m3)
PM - 10 (µg/m3)
SO2 5.4 (µg/m3)
CO ##### (mg/m3)
NO2 .15 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
16-04-2026 23:32:19
PM - 2.5 31 (µg/m3)
PM - 10 61 (µg/m3)
SO2 9.9 (µg/m3)
CO 0.94 (mg/m3)
NO2 17.7 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
16-04-2026 23:32:30
PM - 2.5 11 (µg/m3)
PM - 10 17 (µg/m3)
SO2 5.5 (µg/m3)
CO 0.31 (mg/m3)
NO2 22.3 (µg/m3)
Western Coalfields Limited
M/S Ghonsa Opencast Mine
16-04-2026 23:32:28
PM - 2.5 54.37 (µg/m3)
PM - 10 75.98 (µg/m3)
SO2 6.97 (µg/m3)
CO 0.89 (mg/m3)
NO2 2.6 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
16-04-2026 23:32:18
PM - 2.5 36.51 (µg/m3)
PM - 10 162.8 (µg/m3)
SO2 18.14 (µg/m3)
CO 1.54 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
16-04-2026 23:30:51
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
16-04-2026 23:32:36
PM - 2.5 104.7 (µg/m3)
PM - 10 253.1 (µg/m3)
SO2 48.63 (µg/m3)
CO 0.54 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
16-04-2026 23:32:27
PM - 2.5 25.96 (µg/m3)
PM - 10 56.59 (µg/m3)
SO2 22.65 (µg/m3)
CO 2.07 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
16-04-2026 23:32:23
PM - 2.5 20.37 (µg/m3)
PM - 10 190.1 (µg/m3)
SO2 31.04 (µg/m3)
CO 0.82 (mg/m3)
NO2 2.01 (µg/m3)
Northern Coalfields Limited
NCL_CETI
16-04-2026 23:18:17
PM - 2.5 67.07 (µg/m3)
PM - 10 115.64 (µg/m3)
SO2 25.34 (µg/m3)
CO 3.76 (mg/m3)
NO2 22.7 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
16-04-2026 23:30:17
PM - 2.5 67.5 (µg/m3)
PM - 10 170.9 (µg/m3)
SO2 .23 (µg/m3)
CO 1.23 (mg/m3)
NO2 1.97 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
16-04-2026 23:22:02
PM - 2.5 46.8 (µg/m3)
PM - 10 99.4 (µg/m3)
SO2 18.2 (µg/m3)
CO 0.60 (mg/m3)
NO2 10.17 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
16-04-2026 23:19:48
PM - 2.5 52.96 (µg/m3)
PM - 10 90.32 (µg/m3)
SO2 10.5 (µg/m3)
CO 0.45 (mg/m3)
NO2 4.33 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
16-04-2026 23:32:07
PM - 2.5 15.51 (µg/m3)
PM - 10 41.88 (µg/m3)
SO2 6.7 (µg/m3)
CO 0.24 (mg/m3)
NO2 13.2 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
16-04-2026 23:30:41
PM - 2.5 13.26 (µg/m3)
PM - 10 (µg/m3)
SO2 10.1 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
16-04-2026 23:32:15
PM - 2.5 171.01 (µg/m3)
PM - 10 269.97 (µg/m3)
SO2 176.09 (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)
16-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	60	68.21

1 - 1

Record Date	Company name	Mine name	Permissible Limit (µg/m3)	Average PM - 10 (µg/m3)
16-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	149.67
16-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	146.57

1 - 2

CAAQMS Data

1 - 10 of 5,267

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	16-APR-2026 23:32	16-APR-2026 18:02	25.96	56.59	22.65	-	2.07	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	16-APR-2026 23:32	16-APR-2026 17:58	36.51	162.80	18.14	-	1.54	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL,Kusmunda	SECL_KUSMUNDA	16-APR-2026 23:32	16-APR-2026 23:30	15.51	41.88	6.70	13.20	0.24	site_1963	Envea India Pvt Ltd
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	16-APR-2026 23:31	16-APR-2026 18:01	26.22	56.59	23.27	-	2.09	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	16-APR-2026 23:31	16-APR-2026 17:58	36.40	161.60	18.29	-	1.55	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	16-APR-2026 23:31	16-APR-2026 18:01	26.45	56.59	22.99	-	2.06	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	16-APR-2026 23:31	16-APR-2026 17:57	36.30	160.40	18.23	-	1.55	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	16-APR-2026 23:30	16-APR-2026 18:00	26.78	56.59	23.01	-	2.10	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	16-APR-2026 23:30	16-APR-2026 17:57	36.24	159.00	18.58	-	1.55	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Bilaspur, CHHATTISGARHr	South Eastern Coalfields Limited - AQMS_H_Q	16-APR-2026 23:30	16-APR-2026 18:00	13.26	-	10.10	0.00	0.00	site_5592	Swan Environ

1 - 10 of 5,267

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