Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
19-04-2026 12:21:01
PM - 2.5 0 (µg/m3)
PM - 10 18.55 (µg/m3)
SO2 12.31 (µg/m3)
CO 1.55 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
19-04-2026 12:16:27
PM - 2.5 27.33 (µg/m3)
PM - 10 12.25 (µg/m3)
SO2 36.15 (µg/m3)
CO 0.49 (mg/m3)
NO2 2.12 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
19-04-2026 12:15:25
PM - 2.5 26.52 (µg/m3)
PM - 10 56.55 (µg/m3)
SO2 25.45 (µg/m3)
CO 0.19 (mg/m3)
NO2 18.08 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
19-04-2026 12:20:46
PM - 2.5 50.54 (µg/m3)
PM - 10 140.04 (µg/m3)
SO2 228.98 (µg/m3)
CO 0.99 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
19-04-2026 12:15:34
PM - 2.5 2.25 (µg/m3)
PM - 10 (µg/m3)
SO2 5.32 (µg/m3)
CO ##### (mg/m3)
NO2 1.17 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
19-04-2026 12:21:00
PM - 2.5 22 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.5 (µg/m3)
CO 0.82 (mg/m3)
NO2 17.6 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
19-04-2026 12:20:44
PM - 2.5 19 (µg/m3)
PM - 10 30 (µg/m3)
SO2 5.2 (µg/m3)
CO 0.31 (mg/m3)
NO2 24.3 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
19-04-2026 12:20:39
PM - 2.5 65.47 (µg/m3)
PM - 10 146.84 (µg/m3)
SO2 14.97 (µg/m3)
CO 3.06 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
19-04-2026 12:20:52
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 20.48 (µg/m3)
CO 2.06 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S Ukni Opencast Mine
19-04-2026 12:21:01
PM - 2.5 96.78 (µg/m3)
PM - 10 111.01 (µg/m3)
SO2 24.28 (µg/m3)
CO 1.89 (mg/m3)
NO2 .68 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
19-04-2026 12:15:51
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.97 (mg/m3)
NO2 288.81 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
19-04-2026 12:21:05
PM - 2.5 75.49 (µg/m3)
PM - 10 180.5 (µg/m3)
SO2 14.71 (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 12:20:58
PM - 2.5 82.24 (µg/m3)
PM - 10 192.07 (µg/m3)
SO2 32.4 (µg/m3)
CO 2.03 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
19-04-2026 12:18:17
PM - 2.5 149.44 (µg/m3)
PM - 10 257.66 (µg/m3)
SO2 21.8 (µg/m3)
CO 3.65 (mg/m3)
NO2 33.69 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
19-04-2026 12:07:04
PM - 2.5 52.5 (µg/m3)
PM - 10 109.62 (µg/m3)
SO2 19.68 (µg/m3)
CO 0.66 (mg/m3)
NO2 11.35 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
19-04-2026 12:19:03
PM - 2.5 55.53 (µg/m3)
PM - 10 94.26 (µg/m3)
SO2 11.19 (µg/m3)
CO 0.56 (mg/m3)
NO2 5.26 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
19-04-2026 12:16:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 54.17 (µg/m3)
SO2 6.9 (µg/m3)
CO 0.47 (mg/m3)
NO2 12.46 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
19-04-2026 12:20:58
PM - 2.5 39 (µg/m3)
PM - 10 70 (µg/m3)
SO2 8.9 (µg/m3)
CO 0.38 (mg/m3)
NO2 11.1 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
19-04-2026 12:15:58
PM - 2.5 13.39 (µg/m3)
PM - 10 (µg/m3)
SO2 .59 (µg/m3)
CO ##### (mg/m3)
NO2 41.3 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
19-04-2026 12:20:52
PM - 2.5 29.88 (µg/m3)
PM - 10 99.83 (µg/m3)
SO2 96.44 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
19-04-2026 12:21:01
PM - 2.5 0 (µg/m3)
PM - 10 18.55 (µg/m3)
SO2 12.31 (µg/m3)
CO 1.55 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
19-04-2026 12:16:27
PM - 2.5 27.33 (µg/m3)
PM - 10 12.25 (µg/m3)
SO2 36.15 (µg/m3)
CO 0.49 (mg/m3)
NO2 2.12 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
19-04-2026 12:15:25
PM - 2.5 26.52 (µg/m3)
PM - 10 56.55 (µg/m3)
SO2 25.45 (µg/m3)
CO 0.19 (mg/m3)
NO2 18.08 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
19-04-2026 12:20:46
PM - 2.5 50.54 (µg/m3)
PM - 10 140.04 (µg/m3)
SO2 228.98 (µg/m3)
CO 0.99 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
19-04-2026 12:15:34
PM - 2.5 2.25 (µg/m3)
PM - 10 (µg/m3)
SO2 5.32 (µg/m3)
CO ##### (mg/m3)
NO2 1.17 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
19-04-2026 12:21:00
PM - 2.5 22 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.5 (µg/m3)
CO 0.82 (mg/m3)
NO2 17.6 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
19-04-2026 12:20:44
PM - 2.5 19 (µg/m3)
PM - 10 30 (µg/m3)
SO2 5.2 (µg/m3)
CO 0.31 (mg/m3)
NO2 24.3 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
19-04-2026 12:20:39
PM - 2.5 65.47 (µg/m3)
PM - 10 146.84 (µg/m3)
SO2 14.97 (µg/m3)
CO 3.06 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
19-04-2026 12:20:52
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 20.48 (µg/m3)
CO 2.06 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S Ukni Opencast Mine
19-04-2026 12:21:01
PM - 2.5 96.78 (µg/m3)
PM - 10 111.01 (µg/m3)
SO2 24.28 (µg/m3)
CO 1.89 (mg/m3)
NO2 .68 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
19-04-2026 12:15:51
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.97 (mg/m3)
NO2 288.81 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
19-04-2026 12:21:05
PM - 2.5 75.49 (µg/m3)
PM - 10 180.5 (µg/m3)
SO2 14.71 (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 12:20:58
PM - 2.5 82.24 (µg/m3)
PM - 10 192.07 (µg/m3)
SO2 32.4 (µg/m3)
CO 2.03 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
19-04-2026 12:18:17
PM - 2.5 149.44 (µg/m3)
PM - 10 257.66 (µg/m3)
SO2 21.8 (µg/m3)
CO 3.65 (mg/m3)
NO2 33.69 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
19-04-2026 12:07:04
PM - 2.5 52.5 (µg/m3)
PM - 10 109.62 (µg/m3)
SO2 19.68 (µg/m3)
CO 0.66 (mg/m3)
NO2 11.35 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
19-04-2026 12:19:03
PM - 2.5 55.53 (µg/m3)
PM - 10 94.26 (µg/m3)
SO2 11.19 (µg/m3)
CO 0.56 (mg/m3)
NO2 5.26 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
19-04-2026 12:16:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 54.17 (µg/m3)
SO2 6.9 (µg/m3)
CO 0.47 (mg/m3)
NO2 12.46 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
19-04-2026 12:20:58
PM - 2.5 39 (µg/m3)
PM - 10 70 (µg/m3)
SO2 8.9 (µg/m3)
CO 0.38 (mg/m3)
NO2 11.1 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
19-04-2026 12:15:58
PM - 2.5 13.39 (µg/m3)
PM - 10 (µg/m3)
SO2 .59 (µg/m3)
CO ##### (mg/m3)
NO2 41.3 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
19-04-2026 12:20:52
PM - 2.5 29.88 (µg/m3)
PM - 10 99.83 (µg/m3)
SO2 96.44 (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 Kanchan OC Coal Mine	60	68.44
19-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	60	69.96
19-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	95.59
19-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)
19-APR-2026	South Eastern Coalfields Limited	M/S Kanchan OC Coal Mine	100	190.68
19-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	140.78
19-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	237.37

1 - 3

CAAQMS Data

1 - 10 of 4,501

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 12:20	19-APR-2026 06:50	82.24	192.07	32.40	-	2.03	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	19-APR-2026 12:20	19-APR-2026 06:47	0.00	0.00	20.48	-	2.06	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 12:20	19-APR-2026 06:49	65.47	146.84	14.97	-	3.06	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 12:20	19-APR-2026 06:50	82.15	191.88	29.13	-	2.04	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	19-APR-2026 12:20	19-APR-2026 06:46	0.00	0.00	0.00	-	0.00	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 12:20	19-APR-2026 06:48	65.10	145.74	15.21	-	3.09	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 12:19	19-APR-2026 06:49	82.31	191.72	28.27	-	2.00	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 12:19	19-APR-2026 06:48	64.90	144.74	15.41	-	3.12	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 12:19	19-APR-2026 06:49	82.39	191.49	30.84	-	1.98	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 12:19	19-APR-2026 06:47	64.74	144.13	15.45	-	3.10	site_3509	Thermo Fisher Scientific India Private Limited

1 - 10 of 4,501

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