Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 23:00:46
PM - 2.5 28.26 (µg/m3)
PM - 10 131.22 (µg/m3)
SO2 8.39 (µg/m3)
CO 6.91 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 23:00:17
PM - 2.5 23.83 (µg/m3)
PM - 10 54.56 (µg/m3)
SO2 32.32 (µg/m3)
CO 0.31 (mg/m3)
NO2 18.49 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
18-04-2026 23:00:32
PM - 2.5 30 (µg/m3)
PM - 10 61 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.72 (mg/m3)
NO2 12.5 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 23:00:30
PM - 2.5 94.43 (µg/m3)
PM - 10 250.17 (µg/m3)
SO2 5.97 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
18-04-2026 23:00:21
PM - 2.5 2.31 (µg/m3)
PM - 10 (µg/m3)
SO2 5.36 (µg/m3)
CO ##### (mg/m3)
NO2 .29 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 23:00:49
PM - 2.5 24 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.9 (µg/m3)
CO 0.78 (mg/m3)
NO2 17.6 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
18-04-2026 23:00:50
PM - 2.5 31 (µg/m3)
PM - 10 48 (µg/m3)
SO2 5.2 (µg/m3)
CO 0.36 (mg/m3)
NO2 25.6 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 23:00:25
PM - 2.5 38.41 (µg/m3)
PM - 10 229.64 (µg/m3)
SO2 13.49 (µg/m3)
CO 4.56 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 23:00:34
PM - 2.5 36.22 (µg/m3)
PM - 10 112.4 (µg/m3)
SO2 18.61 (µg/m3)
CO 1.45 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S Ukni Opencast Mine
18-04-2026 23:00:43
PM - 2.5 127.2 (µg/m3)
PM - 10 324.63 (µg/m3)
SO2 19.04 (µg/m3)
CO 2.40 (mg/m3)
NO2 1.26 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 23:00:51
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
18-04-2026 23:00:36
PM - 2.5 192.4 (µg/m3)
PM - 10 966.7 (µg/m3)
SO2 32.97 (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
18-04-2026 22:59:51
PM - 2.5 168.17 (µg/m3)
PM - 10 509.75 (µg/m3)
SO2 30.44 (µg/m3)
CO 3.05 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
18-04-2026 22:48:17
PM - 2.5 67.25 (µg/m3)
PM - 10 115.94 (µg/m3)
SO2 28.79 (µg/m3)
CO 3.96 (mg/m3)
NO2 33.65 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
18-04-2026 23:00:38
PM - 2.5 76.9 (µg/m3)
PM - 10 140.2 (µg/m3)
SO2 0 (µg/m3)
CO 1.34 (mg/m3)
NO2 1.79 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 22:52:04
PM - 2.5 40.9 (µg/m3)
PM - 10 75.62 (µg/m3)
SO2 18.25 (µg/m3)
CO 0.44 (mg/m3)
NO2 7.88 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 22:48:59
PM - 2.5 49.01 (µg/m3)
PM - 10 84.25 (µg/m3)
SO2 9.43 (µg/m3)
CO 0.27 (mg/m3)
NO2 2.91 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
18-04-2026 22:46:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 59.01 (µg/m3)
SO2 0 (µg/m3)
CO 0.51 (mg/m3)
NO2 16.9 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 23:00:27
PM - 2.5 38 (µg/m3)
PM - 10 67 (µg/m3)
SO2 10 (µg/m3)
CO 0.50 (mg/m3)
NO2 10.1 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 23:00:05
PM - 2.5 30.84 (µg/m3)
PM - 10 (µg/m3)
SO2 27.42 (µg/m3)
CO 0.22 (mg/m3)
NO2 94.72 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 23:00:45
PM - 2.5 34.25 (µg/m3)
PM - 10 38.55 (µg/m3)
SO2 9.47 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 23:00:46
PM - 2.5 28.26 (µg/m3)
PM - 10 131.22 (µg/m3)
SO2 8.39 (µg/m3)
CO 6.91 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 23:00:17
PM - 2.5 23.83 (µg/m3)
PM - 10 54.56 (µg/m3)
SO2 32.32 (µg/m3)
CO 0.31 (mg/m3)
NO2 18.49 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
18-04-2026 23:00:32
PM - 2.5 30 (µg/m3)
PM - 10 61 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.72 (mg/m3)
NO2 12.5 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 23:00:30
PM - 2.5 94.43 (µg/m3)
PM - 10 250.17 (µg/m3)
SO2 5.97 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
18-04-2026 23:00:21
PM - 2.5 2.31 (µg/m3)
PM - 10 (µg/m3)
SO2 5.36 (µg/m3)
CO ##### (mg/m3)
NO2 .29 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 23:00:49
PM - 2.5 24 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.9 (µg/m3)
CO 0.78 (mg/m3)
NO2 17.6 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
18-04-2026 23:00:50
PM - 2.5 31 (µg/m3)
PM - 10 48 (µg/m3)
SO2 5.2 (µg/m3)
CO 0.36 (mg/m3)
NO2 25.6 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 23:00:25
PM - 2.5 38.41 (µg/m3)
PM - 10 229.64 (µg/m3)
SO2 13.49 (µg/m3)
CO 4.56 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 23:00:34
PM - 2.5 36.22 (µg/m3)
PM - 10 112.4 (µg/m3)
SO2 18.61 (µg/m3)
CO 1.45 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S Ukni Opencast Mine
18-04-2026 23:00:43
PM - 2.5 127.2 (µg/m3)
PM - 10 324.63 (µg/m3)
SO2 19.04 (µg/m3)
CO 2.40 (mg/m3)
NO2 1.26 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 23:00:51
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
18-04-2026 23:00:36
PM - 2.5 192.4 (µg/m3)
PM - 10 966.7 (µg/m3)
SO2 32.97 (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
18-04-2026 22:59:51
PM - 2.5 168.17 (µg/m3)
PM - 10 509.75 (µg/m3)
SO2 30.44 (µg/m3)
CO 3.05 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
18-04-2026 22:48:17
PM - 2.5 67.25 (µg/m3)
PM - 10 115.94 (µg/m3)
SO2 28.79 (µg/m3)
CO 3.96 (mg/m3)
NO2 33.65 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
18-04-2026 23:00:38
PM - 2.5 76.9 (µg/m3)
PM - 10 140.2 (µg/m3)
SO2 0 (µg/m3)
CO 1.34 (mg/m3)
NO2 1.79 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 22:52:04
PM - 2.5 40.9 (µg/m3)
PM - 10 75.62 (µg/m3)
SO2 18.25 (µg/m3)
CO 0.44 (mg/m3)
NO2 7.88 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 22:48:59
PM - 2.5 49.01 (µg/m3)
PM - 10 84.25 (µg/m3)
SO2 9.43 (µg/m3)
CO 0.27 (mg/m3)
NO2 2.91 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
18-04-2026 22:46:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 59.01 (µg/m3)
SO2 0 (µg/m3)
CO 0.51 (mg/m3)
NO2 16.9 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 23:00:27
PM - 2.5 38 (µg/m3)
PM - 10 67 (µg/m3)
SO2 10 (µg/m3)
CO 0.50 (mg/m3)
NO2 10.1 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 23:00:05
PM - 2.5 30.84 (µg/m3)
PM - 10 (µg/m3)
SO2 27.42 (µg/m3)
CO 0.22 (mg/m3)
NO2 94.72 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 23:00:45
PM - 2.5 34.25 (µg/m3)
PM - 10 38.55 (µg/m3)
SO2 9.47 (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	89.58
18-APR-2026	South Eastern Coalfields Limited	SECL_KUSMUNDA	60	188,410.81

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	176.79
18-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	122.12
18-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	234.66

1 - 3

CAAQMS Data

1 - 10 of 7,994

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 23:00	18-APR-2026 17:26	36.22	112.40	18.61	-	1.45	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 23:00	18-APR-2026 17:28	38.41	229.64	13.49	-	4.56	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Bilaspur, CHHATTISGARHr	South Eastern Coalfields Limited - AQMS_H_Q	18-APR-2026 23:00	18-APR-2026 17:29	30.84	-	27.42	94.72	0.22	site_5592	Swan Environ
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 23:00	18-APR-2026 17:26	36.60	113.00	18.86	-	1.45	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 22:59	18-APR-2026 17:28	37.86	227.36	12.07	-	3.94	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 22:59	18-APR-2026 17:29	168.17	509.75	30.44	-	3.05	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 22:59	18-APR-2026 17:25	37.06	113.70	18.86	-	1.45	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 22:59	18-APR-2026 17:27	37.43	224.71	11.68	-	3.71	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 22:59	18-APR-2026 17:29	169.32	514.14	29.18	-	3.06	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 22:59	18-APR-2026 17:25	37.56	114.60	18.71	-	1.44	site_5720	Thermo Fisher Scientific India Private Limited

1 - 10 of 7,994

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