Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
20-04-2026 01:46:27
PM - 2.5 18.44 (µg/m3)
PM - 10 20.24 (µg/m3)
SO2 7.56 (µg/m3)
CO 0.48 (mg/m3)
NO2 1.54 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
20-04-2026 01:48:09
PM - 2.5 36.47 (µg/m3)
PM - 10 166.9 (µg/m3)
SO2 7.25 (µg/m3)
CO 5.72 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
20-04-2026 01:45:05
PM - 2.5 32.25 (µg/m3)
PM - 10 68.56 (µg/m3)
SO2 32.32 (µg/m3)
CO 0.40 (mg/m3)
NO2 9.04 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
20-04-2026 01:48:13
PM - 2.5 49 (µg/m3)
PM - 10 98 (µg/m3)
SO2 4.8 (µg/m3)
CO 0.70 (mg/m3)
NO2 40.8 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
20-04-2026 01:48:03
PM - 2.5 31.98 (µg/m3)
PM - 10 68.86 (µg/m3)
SO2 3.5 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
20-04-2026 01:45:38
PM - 2.5 2.24 (µg/m3)
PM - 10 (µg/m3)
SO2 5.21 (µg/m3)
CO ##### (mg/m3)
NO2 .71 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
20-04-2026 01:48:09
PM - 2.5 26 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.8 (µg/m3)
CO 0.82 (mg/m3)
NO2 17.5 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
20-04-2026 01:47:54
PM - 2.5 65.93 (µg/m3)
PM - 10 176.1 (µg/m3)
SO2 8.69 (µg/m3)
CO 3.25 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
20-04-2026 01:48:08
PM - 2.5 92.07 (µg/m3)
PM - 10 221.4 (µg/m3)
SO2 21.27 (µg/m3)
CO 4.37 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
20-04-2026 01:45:52
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
20-04-2026 01:48:06
PM - 2.5 73.8 (µg/m3)
PM - 10 171.5 (µg/m3)
SO2 8.97 (µg/m3)
CO 0.55 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
20-04-2026 01:48:07
PM - 2.5 9.78 (µg/m3)
PM - 10 26.63 (µg/m3)
SO2 2.95 (µg/m3)
CO 0.17 (mg/m3)
NO2 1.76 (µg/m3)
Northern Coalfields Limited
NCL_CETI
20-04-2026 01:33:19
PM - 2.5 75.27 (µg/m3)
PM - 10 129.77 (µg/m3)
SO2 77.71 (µg/m3)
CO 5.43 (mg/m3)
NO2 33.67 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
20-04-2026 01:45:11
PM - 2.5 34.6 (µg/m3)
PM - 10 87.4 (µg/m3)
SO2 .88 (µg/m3)
CO 0.49 (mg/m3)
NO2 1.57 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
20-04-2026 01:37:04
PM - 2.5 54.3 (µg/m3)
PM - 10 114.84 (µg/m3)
SO2 19.9 (µg/m3)
CO 0.69 (mg/m3)
NO2 11.88 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
20-04-2026 01:34:06
PM - 2.5 57.77 (µg/m3)
PM - 10 97.69 (µg/m3)
SO2 11.8 (µg/m3)
CO 0.66 (mg/m3)
NO2 6.06 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
20-04-2026 01:46:22
PM - 2.5 2147483.75 (µg/m3)
PM - 10 64.43 (µg/m3)
SO2 0 (µg/m3)
CO 0.56 (mg/m3)
NO2 16.53 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
20-04-2026 01:47:58
PM - 2.5 43 (µg/m3)
PM - 10 75 (µg/m3)
SO2 9.5 (µg/m3)
CO 0.24 (mg/m3)
NO2 10.3 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
20-04-2026 01:45:35
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 16.78 (µg/m3)
CO ##### (mg/m3)
NO2 .73 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
20-04-2026 01:48:06
PM - 2.5 107.35 (µg/m3)
PM - 10 205.84 (µg/m3)
SO2 163.03 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
20-04-2026 01:46:27
PM - 2.5 18.44 (µg/m3)
PM - 10 20.24 (µg/m3)
SO2 7.56 (µg/m3)
CO 0.48 (mg/m3)
NO2 1.54 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
20-04-2026 01:48:09
PM - 2.5 36.47 (µg/m3)
PM - 10 166.9 (µg/m3)
SO2 7.25 (µg/m3)
CO 5.72 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
20-04-2026 01:45:05
PM - 2.5 32.25 (µg/m3)
PM - 10 68.56 (µg/m3)
SO2 32.32 (µg/m3)
CO 0.40 (mg/m3)
NO2 9.04 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
20-04-2026 01:48:13
PM - 2.5 49 (µg/m3)
PM - 10 98 (µg/m3)
SO2 4.8 (µg/m3)
CO 0.70 (mg/m3)
NO2 40.8 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
20-04-2026 01:48:03
PM - 2.5 31.98 (µg/m3)
PM - 10 68.86 (µg/m3)
SO2 3.5 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
20-04-2026 01:45:38
PM - 2.5 2.24 (µg/m3)
PM - 10 (µg/m3)
SO2 5.21 (µg/m3)
CO ##### (mg/m3)
NO2 .71 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
20-04-2026 01:48:09
PM - 2.5 26 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.8 (µg/m3)
CO 0.82 (mg/m3)
NO2 17.5 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
20-04-2026 01:47:54
PM - 2.5 65.93 (µg/m3)
PM - 10 176.1 (µg/m3)
SO2 8.69 (µg/m3)
CO 3.25 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
20-04-2026 01:48:08
PM - 2.5 92.07 (µg/m3)
PM - 10 221.4 (µg/m3)
SO2 21.27 (µg/m3)
CO 4.37 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
20-04-2026 01:45:52
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
20-04-2026 01:48:06
PM - 2.5 73.8 (µg/m3)
PM - 10 171.5 (µg/m3)
SO2 8.97 (µg/m3)
CO 0.55 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
20-04-2026 01:48:07
PM - 2.5 9.78 (µg/m3)
PM - 10 26.63 (µg/m3)
SO2 2.95 (µg/m3)
CO 0.17 (mg/m3)
NO2 1.76 (µg/m3)
Northern Coalfields Limited
NCL_CETI
20-04-2026 01:33:19
PM - 2.5 75.27 (µg/m3)
PM - 10 129.77 (µg/m3)
SO2 77.71 (µg/m3)
CO 5.43 (mg/m3)
NO2 33.67 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
20-04-2026 01:45:11
PM - 2.5 34.6 (µg/m3)
PM - 10 87.4 (µg/m3)
SO2 .88 (µg/m3)
CO 0.49 (mg/m3)
NO2 1.57 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
20-04-2026 01:37:04
PM - 2.5 54.3 (µg/m3)
PM - 10 114.84 (µg/m3)
SO2 19.9 (µg/m3)
CO 0.69 (mg/m3)
NO2 11.88 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
20-04-2026 01:34:06
PM - 2.5 57.77 (µg/m3)
PM - 10 97.69 (µg/m3)
SO2 11.8 (µg/m3)
CO 0.66 (mg/m3)
NO2 6.06 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
20-04-2026 01:46:22
PM - 2.5 2147483.75 (µg/m3)
PM - 10 64.43 (µg/m3)
SO2 0 (µg/m3)
CO 0.56 (mg/m3)
NO2 16.53 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
20-04-2026 01:47:58
PM - 2.5 43 (µg/m3)
PM - 10 75 (µg/m3)
SO2 9.5 (µg/m3)
CO 0.24 (mg/m3)
NO2 10.3 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
20-04-2026 01:45:35
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 16.78 (µg/m3)
CO ##### (mg/m3)
NO2 .73 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
20-04-2026 01:48:06
PM - 2.5 107.35 (µg/m3)
PM - 10 205.84 (µg/m3)
SO2 163.03 (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)
20-APR-2026	South Eastern Coalfields Limited	M/S Kanchan OC Coal Mine	60	61.90
20-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	60	69.87
20-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	163.33
20-APR-2026	South Eastern Coalfields Limited	SECL_KUSMUNDA	60	2,147,483.75

1 - 4

Record Date	Company name	Mine name	Permissible Limit (µg/m3)	Average PM - 10 (µg/m3)
20-APR-2026	South Eastern Coalfields Limited	M/S Kanchan OC Coal Mine	100	151.46
20-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	190.73
20-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	456.41

1 - 3

CAAQMS Data

1 - 10 of 640

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	20-APR-2026 01:48	19-APR-2026 20:14	92.07	221.40	21.27	-	4.37	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	20-APR-2026 01:47	19-APR-2026 20:16	65.93	176.10	8.69	-	3.25	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	20-APR-2026 01:47	19-APR-2026 20:13	91.80	221.90	21.22	-	4.35	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	20-APR-2026 01:47	19-APR-2026 20:15	65.33	176.61	8.95	-	3.22	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	20-APR-2026 01:47	19-APR-2026 20:13	91.41	222.50	21.83	-	4.32	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	20-APR-2026 01:46	19-APR-2026 20:15	64.68	177.05	9.25	-	3.25	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	20-APR-2026 01:46	19-APR-2026 20:12	91.01	223.00	21.64	-	4.29	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	20-APR-2026 01:46	19-APR-2026 20:14	64.26	177.58	9.26	-	3.19	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL,Kusmunda	SECL_KUSMUNDA	20-APR-2026 01:46	20-APR-2026 01:45	2,147,483.75	64.43	0.00	16.53	0.56	site_1963	Envea India Pvt Ltd
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	20-APR-2026 01:46	19-APR-2026 20:12	90.66	223.50	21.87	-	4.25	site_5720	Thermo Fisher Scientific India Private Limited

1 - 10 of 640

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