Subsidiary wise

Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 09:46:00
PM - 2.5 50.08 (µg/m3)
PM - 10 93.48 (µg/m3)
SO2 0 (µg/m3)
CO 0.66 (mg/m3)
NO2 18.08 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 09:46:29
PM - 2.5 76 (µg/m3)
PM - 10 156 (µg/m3)
SO2 4.7 (µg/m3)
CO 2.95 (mg/m3)
NO2 19.5 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 09:46:44
PM - 2.5 54.99 (µg/m3)
PM - 10 179.43 (µg/m3)
SO2 30.6 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 09:45:31
PM - 2.5 5.39 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.00 (mg/m3)
NO2 30.48 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
12-04-2026 09:46:30
PM - 2.5 50 (µg/m3)
PM - 10 89 (µg/m3)
SO2 6.5 (µg/m3)
CO 1.03 (mg/m3)
NO2 2.2 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
12-04-2026 09:46:24
PM - 2.5 9 (µg/m3)
PM - 10 18 (µg/m3)
SO2 10.9 (µg/m3)
CO 1.60 (mg/m3)
NO2 17.5 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 09:46:51
PM - 2.5 33 (µg/m3)
PM - 10 51 (µg/m3)
SO2 7.1 (µg/m3)
CO 0.64 (mg/m3)
NO2 20.7 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 09:45:42
PM - 2.5 19.78 (µg/m3)
PM - 10 49.69 (µg/m3)
SO2 20.15 (µg/m3)
CO 0.59 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 09:45:50
PM - 2.5 26.78 (µg/m3)
PM - 10 (µg/m3)
SO2 610.7 (µg/m3)
CO 0.08 (mg/m3)
NO2 987.41 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 09:46:36
PM - 2.5 78.38 (µg/m3)
PM - 10 99.14 (µg/m3)
SO2 24.81 (µg/m3)
CO 0.52 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
12-04-2026 09:47:00
PM - 2.5 44.06 (µg/m3)
PM - 10 147.57 (µg/m3)
SO2 24.69 (µg/m3)
CO 2.36 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 09:33:14
PM - 2.5 222.59 (µg/m3)
PM - 10 383.77 (µg/m3)
SO2 19.11 (µg/m3)
CO 4.13 (mg/m3)
NO2 20.24 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 09:45:38
PM - 2.5 97.6 (µg/m3)
PM - 10 301.7 (µg/m3)
SO2 .56 (µg/m3)
CO 1.09 (mg/m3)
NO2 2.17 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 09:37:42
PM - 2.5 53.2 (µg/m3)
PM - 10 86.98 (µg/m3)
SO2 12.25 (µg/m3)
CO 0.40 (mg/m3)
NO2 7.75 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 09:34:20
PM - 2.5 57.76 (µg/m3)
PM - 10 97.68 (µg/m3)
SO2 11.79 (µg/m3)
CO 0.66 (mg/m3)
NO2 6.06 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 09:32:34
PM - 2.5 0 (µg/m3)
PM - 10 97.48 (µg/m3)
SO2 6.77 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.58 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 09:46:57
PM - 2.5 36 (µg/m3)
PM - 10 64 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.81 (mg/m3)
NO2 3.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 09:45:32
PM - 2.5 18.19 (µg/m3)
PM - 10 (µg/m3)
SO2 15.16 (µg/m3)
CO 0.31 (mg/m3)
NO2 237.02 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 09:46:39
PM - 2.5 29.48 (µg/m3)
PM - 10 68.75 (µg/m3)
SO2 18.31 (µg/m3)
CO ##### (mg/m3)
NO2 35.35 (µg/m3)

Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 09:46:00
PM - 2.5 50.08 (µg/m3)
PM - 10 93.48 (µg/m3)
SO2 0 (µg/m3)
CO 0.66 (mg/m3)
NO2 18.08 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 09:46:29
PM - 2.5 76 (µg/m3)
PM - 10 156 (µg/m3)
SO2 4.7 (µg/m3)
CO 2.95 (mg/m3)
NO2 19.5 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 09:46:44
PM - 2.5 54.99 (µg/m3)
PM - 10 179.43 (µg/m3)
SO2 30.6 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 09:45:31
PM - 2.5 5.39 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.00 (mg/m3)
NO2 30.48 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
12-04-2026 09:46:30
PM - 2.5 50 (µg/m3)
PM - 10 89 (µg/m3)
SO2 6.5 (µg/m3)
CO 1.03 (mg/m3)
NO2 2.2 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
12-04-2026 09:46:24
PM - 2.5 9 (µg/m3)
PM - 10 18 (µg/m3)
SO2 10.9 (µg/m3)
CO 1.60 (mg/m3)
NO2 17.5 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 09:46:51
PM - 2.5 33 (µg/m3)
PM - 10 51 (µg/m3)
SO2 7.1 (µg/m3)
CO 0.64 (mg/m3)
NO2 20.7 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 09:45:42
PM - 2.5 19.78 (µg/m3)
PM - 10 49.69 (µg/m3)
SO2 20.15 (µg/m3)
CO 0.59 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 09:45:50
PM - 2.5 26.78 (µg/m3)
PM - 10 (µg/m3)
SO2 610.7 (µg/m3)
CO 0.08 (mg/m3)
NO2 987.41 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 09:46:36
PM - 2.5 78.38 (µg/m3)
PM - 10 99.14 (µg/m3)
SO2 24.81 (µg/m3)
CO 0.52 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
12-04-2026 09:47:00
PM - 2.5 44.06 (µg/m3)
PM - 10 147.57 (µg/m3)
SO2 24.69 (µg/m3)
CO 2.36 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 09:33:14
PM - 2.5 222.59 (µg/m3)
PM - 10 383.77 (µg/m3)
SO2 19.11 (µg/m3)
CO 4.13 (mg/m3)
NO2 20.24 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 09:45:38
PM - 2.5 97.6 (µg/m3)
PM - 10 301.7 (µg/m3)
SO2 .56 (µg/m3)
CO 1.09 (mg/m3)
NO2 2.17 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 09:37:42
PM - 2.5 53.2 (µg/m3)
PM - 10 86.98 (µg/m3)
SO2 12.25 (µg/m3)
CO 0.40 (mg/m3)
NO2 7.75 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 09:34:20
PM - 2.5 57.76 (µg/m3)
PM - 10 97.68 (µg/m3)
SO2 11.79 (µg/m3)
CO 0.66 (mg/m3)
NO2 6.06 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 09:32:34
PM - 2.5 0 (µg/m3)
PM - 10 97.48 (µg/m3)
SO2 6.77 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.58 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 09:46:57
PM - 2.5 36 (µg/m3)
PM - 10 64 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.81 (mg/m3)
NO2 3.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 09:45:32
PM - 2.5 18.19 (µg/m3)
PM - 10 (µg/m3)
SO2 15.16 (µg/m3)
CO 0.31 (mg/m3)
NO2 237.02 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 09:46:39
PM - 2.5 29.48 (µg/m3)
PM - 10 68.75 (µg/m3)
SO2 18.31 (µg/m3)
CO ##### (mg/m3)
NO2 35.35 (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 Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	107.62

1 - 1

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	110.46
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	224.88

1 - 2

CAAQMS Data

1 - 10 of 2,469

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	12-APR-2026 09:47	12-APR-2026 04:16	44.06	147.57	24.69	-	2.36	site_5664	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 09:46	12-APR-2026 04:16	44.06	146.78	21.12	-	2.37	site_5664	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 09:45	12-APR-2026 04:15	44.06	145.72	23.94	-	2.35	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 09:45	12-APR-2026 04:12	19.78	49.69	20.15	-	0.59	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Bilaspur, CHHATTISGARHr	South Eastern Coalfields Limited - AQMS_H_Q	12-APR-2026 09:45	12-APR-2026 04:14	18.19	-	15.16	237.02	0.31	site_5592	Swan Environ
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	12-APR-2026 09:45	12-APR-2026 04:15	44.06	144.98	25.20	-	2.36	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 09:45	12-APR-2026 04:11	19.66	49.83	19.89	-	0.60	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 09:44	12-APR-2026 04:14	44.06	144.05	23.22	-	2.36	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 09:44	12-APR-2026 04:11	19.57	50.09	19.86	-	0.59	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 09:44	12-APR-2026 04:14	44.06	143.30	21.24	-	2.38	site_5664	Thermo Fisher Scientific India Private Limited

1 - 10 of 2,469

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