Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
20-04-2026 02:01:27
PM - 2.5 18.44 (µg/m3)
PM - 10 20.24 (µg/m3)
SO2 0 (µg/m3)
CO 0.39 (mg/m3)
NO2 2.05 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
20-04-2026 02:09:09
PM - 2.5 38.88 (µg/m3)
PM - 10 145.36 (µg/m3)
SO2 15.68 (µg/m3)
CO 5.16 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
20-04-2026 02:00:57
PM - 2.5 24.45 (µg/m3)
PM - 10 68.56 (µg/m3)
SO2 32.6 (µg/m3)
CO 0.36 (mg/m3)
NO2 6.16 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
20-04-2026 02:09:14
PM - 2.5 33 (µg/m3)
PM - 10 67 (µg/m3)
SO2 4.8 (µg/m3)
CO 0.80 (mg/m3)
NO2 40.8 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
20-04-2026 02:09:03
PM - 2.5 12.42 (µg/m3)
PM - 10 55.37 (µg/m3)
SO2 7.75 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
20-04-2026 02:00:27
PM - 2.5 2.24 (µg/m3)
PM - 10 (µg/m3)
SO2 5.2 (µg/m3)
CO ##### (mg/m3)
NO2 1.03 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
20-04-2026 02:09:09
PM - 2.5 17 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.8 (µg/m3)
CO 0.85 (mg/m3)
NO2 17.7 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
20-04-2026 02:09:26
PM - 2.5 67.03 (µg/m3)
PM - 10 176.13 (µg/m3)
SO2 9.16 (µg/m3)
CO 3.21 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
20-04-2026 02:09:06
PM - 2.5 107.6 (µg/m3)
PM - 10 207.6 (µg/m3)
SO2 23.78 (µg/m3)
CO 5.98 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
20-04-2026 02:00:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 .25 (µg/m3)
CO ##### (mg/m3)
NO2 33.08 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
20-04-2026 02:09:05
PM - 2.5 71.51 (µg/m3)
PM - 10 151.9 (µg/m3)
SO2 8.56 (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 02:09:03
PM - 2.5 84.39 (µg/m3)
PM - 10 261.62 (µg/m3)
SO2 33.98 (µg/m3)
CO 2.70 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
20-04-2026 02:09:08
PM - 2.5 8.24 (µg/m3)
PM - 10 36.59 (µg/m3)
SO2 3.1 (µg/m3)
CO 0.16 (mg/m3)
NO2 1.76 (µg/m3)
Northern Coalfields Limited
NCL_CETI
20-04-2026 02:03:19
PM - 2.5 215.09 (µg/m3)
PM - 10 370.85 (µg/m3)
SO2 109.43 (µg/m3)
CO 6.07 (mg/m3)
NO2 33.65 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
20-04-2026 02:00:01
PM - 2.5 34.6 (µg/m3)
PM - 10 87.4 (µg/m3)
SO2 .74 (µg/m3)
CO 0.46 (mg/m3)
NO2 1.54 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
20-04-2026 02:07:05
PM - 2.5 34.2 (µg/m3)
PM - 10 56.2 (µg/m3)
SO2 17.44 (µg/m3)
CO 0.31 (mg/m3)
NO2 5.89 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
20-04-2026 02:04:06
PM - 2.5 50.41 (µg/m3)
PM - 10 86.41 (µg/m3)
SO2 9.81 (µg/m3)
CO 0.33 (mg/m3)
NO2 3.42 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
20-04-2026 02:01:22
PM - 2.5 2147483.75 (µg/m3)
PM - 10 61.7 (µg/m3)
SO2 0 (µg/m3)
CO 0.54 (mg/m3)
NO2 16.44 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
20-04-2026 02:08:57
PM - 2.5 34 (µg/m3)
PM - 10 60 (µg/m3)
SO2 9.4 (µg/m3)
CO 0.23 (mg/m3)
NO2 10.3 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
20-04-2026 02:00:24
PM - 2.5 16.66 (µg/m3)
PM - 10 (µg/m3)
SO2 13.45 (µg/m3)
CO 0.29 (mg/m3)
NO2 270 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
20-04-2026 02:09:07
PM - 2.5 97.94 (µg/m3)
PM - 10 191.5 (µg/m3)
SO2 49.03 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
20-04-2026 02:01:27
PM - 2.5 18.44 (µg/m3)
PM - 10 20.24 (µg/m3)
SO2 0 (µg/m3)
CO 0.39 (mg/m3)
NO2 2.05 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
20-04-2026 02:09:09
PM - 2.5 38.88 (µg/m3)
PM - 10 145.36 (µg/m3)
SO2 15.68 (µg/m3)
CO 5.16 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
20-04-2026 02:00:57
PM - 2.5 24.45 (µg/m3)
PM - 10 68.56 (µg/m3)
SO2 32.6 (µg/m3)
CO 0.36 (mg/m3)
NO2 6.16 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
20-04-2026 02:09:14
PM - 2.5 33 (µg/m3)
PM - 10 67 (µg/m3)
SO2 4.8 (µg/m3)
CO 0.80 (mg/m3)
NO2 40.8 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
20-04-2026 02:09:03
PM - 2.5 12.42 (µg/m3)
PM - 10 55.37 (µg/m3)
SO2 7.75 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
20-04-2026 02:00:27
PM - 2.5 2.24 (µg/m3)
PM - 10 (µg/m3)
SO2 5.2 (µg/m3)
CO ##### (mg/m3)
NO2 1.03 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
20-04-2026 02:09:09
PM - 2.5 17 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.8 (µg/m3)
CO 0.85 (mg/m3)
NO2 17.7 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
20-04-2026 02:09:26
PM - 2.5 67.03 (µg/m3)
PM - 10 176.13 (µg/m3)
SO2 9.16 (µg/m3)
CO 3.21 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
20-04-2026 02:09:06
PM - 2.5 107.6 (µg/m3)
PM - 10 207.6 (µg/m3)
SO2 23.78 (µg/m3)
CO 5.98 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
20-04-2026 02:00:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 .25 (µg/m3)
CO ##### (mg/m3)
NO2 33.08 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
20-04-2026 02:09:05
PM - 2.5 71.51 (µg/m3)
PM - 10 151.9 (µg/m3)
SO2 8.56 (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 02:09:03
PM - 2.5 84.39 (µg/m3)
PM - 10 261.62 (µg/m3)
SO2 33.98 (µg/m3)
CO 2.70 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
20-04-2026 02:09:08
PM - 2.5 8.24 (µg/m3)
PM - 10 36.59 (µg/m3)
SO2 3.1 (µg/m3)
CO 0.16 (mg/m3)
NO2 1.76 (µg/m3)
Northern Coalfields Limited
NCL_CETI
20-04-2026 02:03:19
PM - 2.5 215.09 (µg/m3)
PM - 10 370.85 (µg/m3)
SO2 109.43 (µg/m3)
CO 6.07 (mg/m3)
NO2 33.65 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
20-04-2026 02:00:01
PM - 2.5 34.6 (µg/m3)
PM - 10 87.4 (µg/m3)
SO2 .74 (µg/m3)
CO 0.46 (mg/m3)
NO2 1.54 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
20-04-2026 02:07:05
PM - 2.5 34.2 (µg/m3)
PM - 10 56.2 (µg/m3)
SO2 17.44 (µg/m3)
CO 0.31 (mg/m3)
NO2 5.89 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
20-04-2026 02:04:06
PM - 2.5 50.41 (µg/m3)
PM - 10 86.41 (µg/m3)
SO2 9.81 (µg/m3)
CO 0.33 (mg/m3)
NO2 3.42 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
20-04-2026 02:01:22
PM - 2.5 2147483.75 (µg/m3)
PM - 10 61.7 (µg/m3)
SO2 0 (µg/m3)
CO 0.54 (mg/m3)
NO2 16.44 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
20-04-2026 02:08:57
PM - 2.5 34 (µg/m3)
PM - 10 60 (µg/m3)
SO2 9.4 (µg/m3)
CO 0.23 (mg/m3)
NO2 10.3 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
20-04-2026 02:00:24
PM - 2.5 16.66 (µg/m3)
PM - 10 (µg/m3)
SO2 13.45 (µg/m3)
CO 0.29 (mg/m3)
NO2 270 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
20-04-2026 02:09:07
PM - 2.5 97.94 (µg/m3)
PM - 10 191.5 (µg/m3)
SO2 49.03 (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	62.95
20-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	60	74.77
20-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	138.03
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	155.51
20-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	194.54
20-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	387.54

1 - 3

CAAQMS Data

1 - 10 of 806

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 02:09	19-APR-2026 20:37	67.03	176.13	9.16	-	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 02:09	19-APR-2026 20:35	107.60	207.60	23.78	-	5.98	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 02:09	19-APR-2026 20:39	84.39	261.62	33.98	-	2.70	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	20-APR-2026 02:08	19-APR-2026 20:37	67.02	175.57	9.41	-	3.23	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	20-APR-2026 02:08	19-APR-2026 20:34	107.40	207.80	23.53	-	5.90	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 02:08	19-APR-2026 20:38	84.54	261.36	33.76	-	2.68	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	20-APR-2026 02:08	19-APR-2026 20:36	67.25	175.04	9.87	-	3.26	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 02:08	19-APR-2026 20:38	84.73	261.15	31.82	-	2.72	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	20-APR-2026 02:08	19-APR-2026 20:34	107.20	208.00	23.35	-	5.83	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	20-APR-2026 02:07	19-APR-2026 20:36	67.73	174.46	9.91	-	3.27	site_3509	Thermo Fisher Scientific India Private Limited

1 - 10 of 806

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