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 01:54:09
PM - 2.5 37.16 (µg/m3)
PM - 10 165.53 (µg/m3)
SO2 5.62 (µg/m3)
CO 5.73 (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 01:54:13
PM - 2.5 49 (µg/m3)
PM - 10 98 (µg/m3)
SO2 4.8 (µg/m3)
CO 0.72 (mg/m3)
NO2 40.7 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
20-04-2026 01:54:03
PM - 2.5 26.81 (µg/m3)
PM - 10 63.23 (µg/m3)
SO2 3.83 (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 01:54:08
PM - 2.5 26 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.8 (µg/m3)
CO 0.83 (mg/m3)
NO2 17.6 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
20-04-2026 01:54:26
PM - 2.5 65.85 (µg/m3)
PM - 10 176.6 (µg/m3)
SO2 8.95 (µg/m3)
CO 3.27 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
20-04-2026 01:54:06
PM - 2.5 97.24 (µg/m3)
PM - 10 218.8 (µg/m3)
SO2 21.54 (µg/m3)
CO 4.54 (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 01:54:06
PM - 2.5 71.87 (µg/m3)
PM - 10 161.3 (µg/m3)
SO2 8.82 (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
20-04-2026 01:54:25
PM - 2.5 77.42 (µg/m3)
PM - 10 261.67 (µg/m3)
SO2 31.13 (µg/m3)
CO 2.79 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
20-04-2026 01:54:07
PM - 2.5 9.34 (µg/m3)
PM - 10 22.61 (µg/m3)
SO2 2.23 (µg/m3)
CO 0.15 (mg/m3)
NO2 1.78 (µg/m3)
Northern Coalfields Limited
NCL_CETI
20-04-2026 01:48:19
PM - 2.5 75.27 (µg/m3)
PM - 10 129.77 (µg/m3)
SO2 103.07 (µg/m3)
CO 5.60 (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 01:52:05
PM - 2.5 49 (µg/m3)
PM - 10 99.38 (µg/m3)
SO2 19.25 (µg/m3)
CO 0.59 (mg/m3)
NO2 10.3 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
20-04-2026 01:49:06
PM - 2.5 57.97 (µg/m3)
PM - 10 98.01 (µg/m3)
SO2 11.85 (µg/m3)
CO 0.67 (mg/m3)
NO2 6.14 (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 01:53:57
PM - 2.5 43 (µg/m3)
PM - 10 75 (µg/m3)
SO2 9.7 (µg/m3)
CO 0.21 (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 01:54:07
PM - 2.5 105.41 (µg/m3)
PM - 10 205.52 (µg/m3)
SO2 160.82 (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 01:54:09
PM - 2.5 37.16 (µg/m3)
PM - 10 165.53 (µg/m3)
SO2 5.62 (µg/m3)
CO 5.73 (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 01:54:13
PM - 2.5 49 (µg/m3)
PM - 10 98 (µg/m3)
SO2 4.8 (µg/m3)
CO 0.72 (mg/m3)
NO2 40.7 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
20-04-2026 01:54:03
PM - 2.5 26.81 (µg/m3)
PM - 10 63.23 (µg/m3)
SO2 3.83 (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 01:54:08
PM - 2.5 26 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.8 (µg/m3)
CO 0.83 (mg/m3)
NO2 17.6 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
20-04-2026 01:54:26
PM - 2.5 65.85 (µg/m3)
PM - 10 176.6 (µg/m3)
SO2 8.95 (µg/m3)
CO 3.27 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
20-04-2026 01:54:06
PM - 2.5 97.24 (µg/m3)
PM - 10 218.8 (µg/m3)
SO2 21.54 (µg/m3)
CO 4.54 (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 01:54:06
PM - 2.5 71.87 (µg/m3)
PM - 10 161.3 (µg/m3)
SO2 8.82 (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
20-04-2026 01:54:25
PM - 2.5 77.42 (µg/m3)
PM - 10 261.67 (µg/m3)
SO2 31.13 (µg/m3)
CO 2.79 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
20-04-2026 01:54:07
PM - 2.5 9.34 (µg/m3)
PM - 10 22.61 (µg/m3)
SO2 2.23 (µg/m3)
CO 0.15 (mg/m3)
NO2 1.78 (µg/m3)
Northern Coalfields Limited
NCL_CETI
20-04-2026 01:48:19
PM - 2.5 75.27 (µg/m3)
PM - 10 129.77 (µg/m3)
SO2 103.07 (µg/m3)
CO 5.60 (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 01:52:05
PM - 2.5 49 (µg/m3)
PM - 10 99.38 (µg/m3)
SO2 19.25 (µg/m3)
CO 0.59 (mg/m3)
NO2 10.3 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
20-04-2026 01:49:06
PM - 2.5 57.97 (µg/m3)
PM - 10 98.01 (µg/m3)
SO2 11.85 (µg/m3)
CO 0.67 (mg/m3)
NO2 6.14 (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 01:53:57
PM - 2.5 43 (µg/m3)
PM - 10 75 (µg/m3)
SO2 9.7 (µg/m3)
CO 0.21 (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 01:54:07
PM - 2.5 105.41 (µg/m3)
PM - 10 205.52 (µg/m3)
SO2 160.82 (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	62.16
20-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	60	71.18
20-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	144.99
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	152.89
20-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	192.26
20-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	408.56

1 - 3

CAAQMS Data

1 - 10 of 714

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	Johilla Area	M/S Kanchan OC Coal Mine	20-APR-2026 01:54	19-APR-2026 20:22	65.85	176.60	8.95	-	3.27	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	20-APR-2026 01:54	19-APR-2026 20:24	77.42	261.67	31.13	-	2.79	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	20-APR-2026 01:54	19-APR-2026 20:20	97.24	218.80	21.54	-	4.54	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	20-APR-2026 01:53	19-APR-2026 20:23	76.98	261.67	32.07	-	2.80	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	20-APR-2026 01:53	19-APR-2026 20:22	66.15	176.52	8.74	-	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 01:53	19-APR-2026 20:19	96.84	219.20	21.43	-	4.53	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	20-APR-2026 01:53	19-APR-2026 20:23	76.85	261.67	34.08	-	2.82	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	20-APR-2026 01:53	19-APR-2026 20:21	66.17	176.64	8.42	-	3.21	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	20-APR-2026 01:53	19-APR-2026 20:19	96.40	219.40	21.96	-	4.51	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	20-APR-2026 01:52	19-APR-2026 20:05	80.22	325.65	34.41	-	2.81	site_5664	Thermo Fisher Scientific India Private Limited

1 - 10 of 714

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