Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 23:29:19
PM - 2.5 54.57 (µg/m3)
PM - 10 243.73 (µg/m3)
SO2 9.14 (µg/m3)
CO 5.77 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 23:15:11
PM - 2.5 28.51 (µg/m3)
PM - 10 75.74 (µg/m3)
SO2 30.6 (µg/m3)
CO 0.36 (mg/m3)
NO2 17.66 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
18-04-2026 23:29:04
PM - 2.5 23 (µg/m3)
PM - 10 46 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.82 (mg/m3)
NO2 12.7 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 23:29:03
PM - 2.5 114.11 (µg/m3)
PM - 10 235.81 (µg/m3)
SO2 5.46 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
18-04-2026 23:15:10
PM - 2.5 2.3 (µg/m3)
PM - 10 (µg/m3)
SO2 5.31 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 23:29:19
PM - 2.5 24 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.8 (µg/m3)
CO 0.87 (mg/m3)
NO2 17.9 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
18-04-2026 23:28:50
PM - 2.5 28 (µg/m3)
PM - 10 42 (µg/m3)
SO2 5.2 (µg/m3)
CO 0.35 (mg/m3)
NO2 25.7 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 23:28:58
PM - 2.5 49.9 (µg/m3)
PM - 10 278.58 (µg/m3)
SO2 14.5 (µg/m3)
CO 3.67 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 23:29:04
PM - 2.5 55.56 (µg/m3)
PM - 10 231.3 (µg/m3)
SO2 17.98 (µg/m3)
CO 1.74 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S Ukni Opencast Mine
18-04-2026 23:29:16
PM - 2.5 115.47 (µg/m3)
PM - 10 227.1 (µg/m3)
SO2 18.13 (µg/m3)
CO 2.34 (mg/m3)
NO2 .84 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 23:15:51
PM - 2.5 180 (µg/m3)
PM - 10 (µg/m3)
SO2 32.23 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
18-04-2026 23:29:06
PM - 2.5 167.9 (µg/m3)
PM - 10 745.5 (µg/m3)
SO2 35.65 (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 23:29:09
PM - 2.5 114.5 (µg/m3)
PM - 10 322.42 (µg/m3)
SO2 32.07 (µg/m3)
CO 2.91 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
18-04-2026 23:18:19
PM - 2.5 71.48 (µg/m3)
PM - 10 123.24 (µg/m3)
SO2 30.07 (µg/m3)
CO 4.54 (mg/m3)
NO2 33.63 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
18-04-2026 23:15:26
PM - 2.5 76.9 (µg/m3)
PM - 10 346.3 (µg/m3)
SO2 .06 (µg/m3)
CO 1.33 (mg/m3)
NO2 1.79 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 23:22:04
PM - 2.5 42.2 (µg/m3)
PM - 10 79.4 (µg/m3)
SO2 18.41 (µg/m3)
CO 0.46 (mg/m3)
NO2 8.26 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 23:18:59
PM - 2.5 51.67 (µg/m3)
PM - 10 88.34 (µg/m3)
SO2 10.15 (µg/m3)
CO 0.39 (mg/m3)
NO2 3.87 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
18-04-2026 23:16:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 56.05 (µg/m3)
SO2 0 (µg/m3)
CO 0.49 (mg/m3)
NO2 16.57 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 23:28:58
PM - 2.5 38 (µg/m3)
PM - 10 67 (µg/m3)
SO2 10.1 (µg/m3)
CO 0.41 (mg/m3)
NO2 10.1 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 23:15:54
PM - 2.5 53.45 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.00 (mg/m3)
NO2 30.67 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 23:29:17
PM - 2.5 32.29 (µg/m3)
PM - 10 36.98 (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 23:29:19
PM - 2.5 54.57 (µg/m3)
PM - 10 243.73 (µg/m3)
SO2 9.14 (µg/m3)
CO 5.77 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 23:15:11
PM - 2.5 28.51 (µg/m3)
PM - 10 75.74 (µg/m3)
SO2 30.6 (µg/m3)
CO 0.36 (mg/m3)
NO2 17.66 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
18-04-2026 23:29:04
PM - 2.5 23 (µg/m3)
PM - 10 46 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.82 (mg/m3)
NO2 12.7 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 23:29:03
PM - 2.5 114.11 (µg/m3)
PM - 10 235.81 (µg/m3)
SO2 5.46 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
18-04-2026 23:15:10
PM - 2.5 2.3 (µg/m3)
PM - 10 (µg/m3)
SO2 5.31 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 23:29:19
PM - 2.5 24 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.8 (µg/m3)
CO 0.87 (mg/m3)
NO2 17.9 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
18-04-2026 23:28:50
PM - 2.5 28 (µg/m3)
PM - 10 42 (µg/m3)
SO2 5.2 (µg/m3)
CO 0.35 (mg/m3)
NO2 25.7 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 23:28:58
PM - 2.5 49.9 (µg/m3)
PM - 10 278.58 (µg/m3)
SO2 14.5 (µg/m3)
CO 3.67 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 23:29:04
PM - 2.5 55.56 (µg/m3)
PM - 10 231.3 (µg/m3)
SO2 17.98 (µg/m3)
CO 1.74 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S Ukni Opencast Mine
18-04-2026 23:29:16
PM - 2.5 115.47 (µg/m3)
PM - 10 227.1 (µg/m3)
SO2 18.13 (µg/m3)
CO 2.34 (mg/m3)
NO2 .84 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 23:15:51
PM - 2.5 180 (µg/m3)
PM - 10 (µg/m3)
SO2 32.23 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
18-04-2026 23:29:06
PM - 2.5 167.9 (µg/m3)
PM - 10 745.5 (µg/m3)
SO2 35.65 (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 23:29:09
PM - 2.5 114.5 (µg/m3)
PM - 10 322.42 (µg/m3)
SO2 32.07 (µg/m3)
CO 2.91 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
18-04-2026 23:18:19
PM - 2.5 71.48 (µg/m3)
PM - 10 123.24 (µg/m3)
SO2 30.07 (µg/m3)
CO 4.54 (mg/m3)
NO2 33.63 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
18-04-2026 23:15:26
PM - 2.5 76.9 (µg/m3)
PM - 10 346.3 (µg/m3)
SO2 .06 (µg/m3)
CO 1.33 (mg/m3)
NO2 1.79 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 23:22:04
PM - 2.5 42.2 (µg/m3)
PM - 10 79.4 (µg/m3)
SO2 18.41 (µg/m3)
CO 0.46 (mg/m3)
NO2 8.26 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 23:18:59
PM - 2.5 51.67 (µg/m3)
PM - 10 88.34 (µg/m3)
SO2 10.15 (µg/m3)
CO 0.39 (mg/m3)
NO2 3.87 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
18-04-2026 23:16:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 56.05 (µg/m3)
SO2 0 (µg/m3)
CO 0.49 (mg/m3)
NO2 16.57 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 23:28:58
PM - 2.5 38 (µg/m3)
PM - 10 67 (µg/m3)
SO2 10.1 (µg/m3)
CO 0.41 (mg/m3)
NO2 10.1 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 23:15:54
PM - 2.5 53.45 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.00 (mg/m3)
NO2 30.67 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 23:29:17
PM - 2.5 32.29 (µg/m3)
PM - 10 36.98 (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	90.46
18-APR-2026	South Eastern Coalfields Limited	SECL_KUSMUNDA	60	254,820.06

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	178.73
18-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	123.69
18-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	237.88

1 - 3

CAAQMS Data

1 - 10 of 8,171

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	18-APR-2026 23:29	18-APR-2026 17:59	114.50	322.42	32.07	-	2.91	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 23:29	18-APR-2026 17:55	55.56	231.30	17.98	-	1.74	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 23:28	18-APR-2026 17:57	49.90	278.58	14.50	-	3.67	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 23:28	18-APR-2026 17:54	55.18	231.90	17.91	-	1.73	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	18-APR-2026 23:28	18-APR-2026 17:58	114.19	324.62	29.75	-	2.93	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 23:28	18-APR-2026 17:56	50.35	279.21	14.45	-	3.63	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 23:28	18-APR-2026 17:54	54.84	232.50	18.10	-	1.73	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 23:27	18-APR-2026 17:56	50.55	279.82	14.78	-	3.68	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 23:27	18-APR-2026 17:57	113.83	327.21	32.15	-	2.94	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 23:27	18-APR-2026 17:53	54.46	232.90	18.22	-	1.72	site_5720	Thermo Fisher Scientific India Private Limited

1 - 10 of 8,171

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