Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
19-04-2026 17:23:59
PM - 2.5 0 (µg/m3)
PM - 10 70.48 (µg/m3)
SO2 8.48 (µg/m3)
CO 1.45 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
19-04-2026 17:16:27
PM - 2.5 20.9 (µg/m3)
PM - 10 14.4 (µg/m3)
SO2 45.99 (µg/m3)
CO 0.84 (mg/m3)
NO2 2.33 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
19-04-2026 17:15:20
PM - 2.5 18.6 (µg/m3)
PM - 10 43.25 (µg/m3)
SO2 42.61 (µg/m3)
CO 0.05 (mg/m3)
NO2 4.31 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
19-04-2026 17:24:08
PM - 2.5 46 (µg/m3)
PM - 10 93 (µg/m3)
SO2 4.9 (µg/m3)
CO 0.18 (mg/m3)
NO2 40.8 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
19-04-2026 17:23:52
PM - 2.5 18.6 (µg/m3)
PM - 10 92.94 (µg/m3)
SO2 57.06 (µg/m3)
CO 0.76 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
19-04-2026 17:15:52
PM - 2.5 2.34 (µg/m3)
PM - 10 (µg/m3)
SO2 5.58 (µg/m3)
CO ##### (mg/m3)
NO2 .19 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
19-04-2026 17:24:03
PM - 2.5 31 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.8 (µg/m3)
CO 0.75 (mg/m3)
NO2 17.6 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
19-04-2026 17:23:57
PM - 2.5 22 (µg/m3)
PM - 10 34 (µg/m3)
SO2 5.2 (µg/m3)
CO 0.31 (mg/m3)
NO2 23.8 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
19-04-2026 17:23:45
PM - 2.5 0 (µg/m3)
PM - 10 289.06 (µg/m3)
SO2 7.17 (µg/m3)
CO 2.98 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
19-04-2026 17:23:57
PM - 2.5 25.42 (µg/m3)
PM - 10 50.57 (µg/m3)
SO2 18.18 (µg/m3)
CO 1.02 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
19-04-2026 17:24:05
PM - 2.5 35.97 (µg/m3)
PM - 10 315.9 (µg/m3)
SO2 15.75 (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
19-04-2026 17:24:08
PM - 2.5 63.37 (µg/m3)
PM - 10 157.56 (µg/m3)
SO2 24.45 (µg/m3)
CO 1.91 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
19-04-2026 17:18:19
PM - 2.5 53.26 (µg/m3)
PM - 10 91.82 (µg/m3)
SO2 24.88 (µg/m3)
CO 3.43 (mg/m3)
NO2 33.69 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
19-04-2026 17:15:29
PM - 2.5 55.7 (µg/m3)
PM - 10 189.2 (µg/m3)
SO2 .01 (µg/m3)
CO 0.44 (mg/m3)
NO2 1.46 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
19-04-2026 17:19:04
PM - 2.5 57.39 (µg/m3)
PM - 10 97.12 (µg/m3)
SO2 11.7 (µg/m3)
CO 0.65 (mg/m3)
NO2 5.93 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
19-04-2026 17:16:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 59 (µg/m3)
SO2 6.9 (µg/m3)
CO 0.51 (mg/m3)
NO2 16.62 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
19-04-2026 17:23:57
PM - 2.5 47 (µg/m3)
PM - 10 82 (µg/m3)
SO2 9 (µg/m3)
CO 0.40 (mg/m3)
NO2 11.1 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
19-04-2026 17:15:30
PM - 2.5 12.89 (µg/m3)
PM - 10 (µg/m3)
SO2 9.87 (µg/m3)
CO 0.65 (mg/m3)
NO2 133.36 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
19-04-2026 17:23:57
PM - 2.5 66.65 (µg/m3)
PM - 10 123.28 (µg/m3)
SO2 55.32 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
19-04-2026 17:23:59
PM - 2.5 0 (µg/m3)
PM - 10 70.48 (µg/m3)
SO2 8.48 (µg/m3)
CO 1.45 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
19-04-2026 17:16:27
PM - 2.5 20.9 (µg/m3)
PM - 10 14.4 (µg/m3)
SO2 45.99 (µg/m3)
CO 0.84 (mg/m3)
NO2 2.33 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
19-04-2026 17:15:20
PM - 2.5 18.6 (µg/m3)
PM - 10 43.25 (µg/m3)
SO2 42.61 (µg/m3)
CO 0.05 (mg/m3)
NO2 4.31 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
19-04-2026 17:24:08
PM - 2.5 46 (µg/m3)
PM - 10 93 (µg/m3)
SO2 4.9 (µg/m3)
CO 0.18 (mg/m3)
NO2 40.8 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
19-04-2026 17:23:52
PM - 2.5 18.6 (µg/m3)
PM - 10 92.94 (µg/m3)
SO2 57.06 (µg/m3)
CO 0.76 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
19-04-2026 17:15:52
PM - 2.5 2.34 (µg/m3)
PM - 10 (µg/m3)
SO2 5.58 (µg/m3)
CO ##### (mg/m3)
NO2 .19 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
19-04-2026 17:24:03
PM - 2.5 31 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.8 (µg/m3)
CO 0.75 (mg/m3)
NO2 17.6 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
19-04-2026 17:23:57
PM - 2.5 22 (µg/m3)
PM - 10 34 (µg/m3)
SO2 5.2 (µg/m3)
CO 0.31 (mg/m3)
NO2 23.8 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
19-04-2026 17:23:45
PM - 2.5 0 (µg/m3)
PM - 10 289.06 (µg/m3)
SO2 7.17 (µg/m3)
CO 2.98 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
19-04-2026 17:23:57
PM - 2.5 25.42 (µg/m3)
PM - 10 50.57 (µg/m3)
SO2 18.18 (µg/m3)
CO 1.02 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
19-04-2026 17:24:05
PM - 2.5 35.97 (µg/m3)
PM - 10 315.9 (µg/m3)
SO2 15.75 (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
19-04-2026 17:24:08
PM - 2.5 63.37 (µg/m3)
PM - 10 157.56 (µg/m3)
SO2 24.45 (µg/m3)
CO 1.91 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
19-04-2026 17:18:19
PM - 2.5 53.26 (µg/m3)
PM - 10 91.82 (µg/m3)
SO2 24.88 (µg/m3)
CO 3.43 (mg/m3)
NO2 33.69 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
19-04-2026 17:15:29
PM - 2.5 55.7 (µg/m3)
PM - 10 189.2 (µg/m3)
SO2 .01 (µg/m3)
CO 0.44 (mg/m3)
NO2 1.46 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
19-04-2026 17:19:04
PM - 2.5 57.39 (µg/m3)
PM - 10 97.12 (µg/m3)
SO2 11.7 (µg/m3)
CO 0.65 (mg/m3)
NO2 5.93 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
19-04-2026 17:16:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 59 (µg/m3)
SO2 6.9 (µg/m3)
CO 0.51 (mg/m3)
NO2 16.62 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
19-04-2026 17:23:57
PM - 2.5 47 (µg/m3)
PM - 10 82 (µg/m3)
SO2 9 (µg/m3)
CO 0.40 (mg/m3)
NO2 11.1 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
19-04-2026 17:15:30
PM - 2.5 12.89 (µg/m3)
PM - 10 (µg/m3)
SO2 9.87 (µg/m3)
CO 0.65 (mg/m3)
NO2 133.36 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
19-04-2026 17:23:57
PM - 2.5 66.65 (µg/m3)
PM - 10 123.28 (µg/m3)
SO2 55.32 (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)
19-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	86.32
19-APR-2026	South Eastern Coalfields Limited	SECL_KUSMUNDA	60	2,147,483.75

1 - 2

Record Date	Company name	Mine name	Permissible Limit (µg/m3)	Average PM - 10 (µg/m3)
19-APR-2026	South Eastern Coalfields Limited	M/S Kanchan OC Coal Mine	100	215.83
19-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	108.93
19-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	206.63

1 - 3

CAAQMS Data

1 - 10 of 6,365

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	19-APR-2026 17:24	19-APR-2026 11:54	63.37	157.56	24.45	-	1.91	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	19-APR-2026 17:23	19-APR-2026 11:50	25.42	50.57	18.18	-	1.02	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 17:23	19-APR-2026 11:52	0.00	289.06	7.17	-	2.98	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	19-APR-2026 17:23	19-APR-2026 11:53	63.21	155.93	24.99	-	1.90	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	19-APR-2026 17:23	19-APR-2026 11:49	25.34	50.21	18.41	-	1.01	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 17:23	19-APR-2026 11:51	0.00	285.17	7.30	-	2.97	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	19-APR-2026 17:23	19-APR-2026 11:53	62.84	153.88	22.77	-	1.91	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	19-APR-2026 17:22	19-APR-2026 11:49	25.28	49.69	18.30	-	1.01	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 17:22	19-APR-2026 11:51	0.00	280.96	7.05	-	3.08	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	19-APR-2026 17:22	19-APR-2026 11:52	62.65	152.28	25.45	-	1.94	site_5664	Thermo Fisher Scientific India Private Limited

1 - 10 of 6,365

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