Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 00:04:59
PM - 2.5 50.11 (µg/m3)
PM - 10 289.73 (µg/m3)
SO2 5.34 (µg/m3)
CO 1.53 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 00:00:42
PM - 2.5 22.97 (µg/m3)
PM - 10 72.27 (µg/m3)
SO2 0 (µg/m3)
CO 0.18 (mg/m3)
NO2 6.98 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 00:04:42
PM - 2.5 11 (µg/m3)
PM - 10 22 (µg/m3)
SO2 4.4 (µg/m3)
CO 0.05 (mg/m3)
NO2 19.5 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 00:05:07
PM - 2.5 146.14 (µg/m3)
PM - 10 281 (µg/m3)
SO2 21.02 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 00:00:49
PM - 2.5 2.26 (µg/m3)
PM - 10 (µg/m3)
SO2 5.4 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 00:05:05
PM - 2.5 3 (µg/m3)
PM - 10 5 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.32 (mg/m3)
NO2 20.2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 00:05:02
PM - 2.5 45.91 (µg/m3)
PM - 10 136.5 (µg/m3)
SO2 19.6 (µg/m3)
CO 0.81 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 00:00:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.00 (mg/m3)
NO2 986.52 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 00:05:07
PM - 2.5 23.54 (µg/m3)
PM - 10 116.6 (µg/m3)
SO2 0 (µg/m3)
CO 0.54 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
12-04-2026 00:04:58
PM - 2.5 247.06 (µg/m3)
PM - 10 699.79 (µg/m3)
SO2 21.79 (µg/m3)
CO 3.08 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 00:03:12
PM - 2.5 70.64 (µg/m3)
PM - 10 121.79 (µg/m3)
SO2 22.84 (µg/m3)
CO 3.56 (mg/m3)
NO2 19.23 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 00:00:55
PM - 2.5 65.3 (µg/m3)
PM - 10 209.2 (µg/m3)
SO2 .91 (µg/m3)
CO 0.57 (mg/m3)
NO2 2.57 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
11-04-2026 23:51:59
PM - 2.5 51.1 (µg/m3)
PM - 10 81.45 (µg/m3)
SO2 13.72 (µg/m3)
CO 0.37 (mg/m3)
NO2 7.26 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 00:04:17
PM - 2.5 51.43 (µg/m3)
PM - 10 87.97 (µg/m3)
SO2 10.09 (µg/m3)
CO 0.38 (mg/m3)
NO2 3.78 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 00:02:31
PM - 2.5 0 (µg/m3)
PM - 10 24.04 (µg/m3)
SO2 7.29 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.39 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 00:05:04
PM - 2.5 43 (µg/m3)
PM - 10 75 (µg/m3)
SO2 5.1 (µg/m3)
CO 1.90 (mg/m3)
NO2 3.5 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 00:00:35
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 43.22 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 00:04:57
PM - 2.5 107.58 (µg/m3)
PM - 10 115.6 (µg/m3)
SO2 15.34 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 00:04:59
PM - 2.5 50.11 (µg/m3)
PM - 10 289.73 (µg/m3)
SO2 5.34 (µg/m3)
CO 1.53 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 00:00:42
PM - 2.5 22.97 (µg/m3)
PM - 10 72.27 (µg/m3)
SO2 0 (µg/m3)
CO 0.18 (mg/m3)
NO2 6.98 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 00:04:42
PM - 2.5 11 (µg/m3)
PM - 10 22 (µg/m3)
SO2 4.4 (µg/m3)
CO 0.05 (mg/m3)
NO2 19.5 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 00:05:07
PM - 2.5 146.14 (µg/m3)
PM - 10 281 (µg/m3)
SO2 21.02 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 00:00:49
PM - 2.5 2.26 (µg/m3)
PM - 10 (µg/m3)
SO2 5.4 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 00:05:05
PM - 2.5 3 (µg/m3)
PM - 10 5 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.32 (mg/m3)
NO2 20.2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 00:05:02
PM - 2.5 45.91 (µg/m3)
PM - 10 136.5 (µg/m3)
SO2 19.6 (µg/m3)
CO 0.81 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 00:00:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.00 (mg/m3)
NO2 986.52 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 00:05:07
PM - 2.5 23.54 (µg/m3)
PM - 10 116.6 (µg/m3)
SO2 0 (µg/m3)
CO 0.54 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
12-04-2026 00:04:58
PM - 2.5 247.06 (µg/m3)
PM - 10 699.79 (µg/m3)
SO2 21.79 (µg/m3)
CO 3.08 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 00:03:12
PM - 2.5 70.64 (µg/m3)
PM - 10 121.79 (µg/m3)
SO2 22.84 (µg/m3)
CO 3.56 (mg/m3)
NO2 19.23 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 00:00:55
PM - 2.5 65.3 (µg/m3)
PM - 10 209.2 (µg/m3)
SO2 .91 (µg/m3)
CO 0.57 (mg/m3)
NO2 2.57 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
11-04-2026 23:51:59
PM - 2.5 51.1 (µg/m3)
PM - 10 81.45 (µg/m3)
SO2 13.72 (µg/m3)
CO 0.37 (mg/m3)
NO2 7.26 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 00:04:17
PM - 2.5 51.43 (µg/m3)
PM - 10 87.97 (µg/m3)
SO2 10.09 (µg/m3)
CO 0.38 (mg/m3)
NO2 3.78 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 00:02:31
PM - 2.5 0 (µg/m3)
PM - 10 24.04 (µg/m3)
SO2 7.29 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.39 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 00:05:04
PM - 2.5 43 (µg/m3)
PM - 10 75 (µg/m3)
SO2 5.1 (µg/m3)
CO 1.90 (mg/m3)
NO2 3.5 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 00:00:35
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 43.22 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 00:04:57
PM - 2.5 107.58 (µg/m3)
PM - 10 115.6 (µg/m3)
SO2 15.34 (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)
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	247.06

1 - 1

Record Date	Company name	Mine name	Permissible Limit (µg/m3)	Average PM - 10 (µg/m3)
12-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	129.24
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	719.79

1 - 2

CAAQMS Data

1 - 10 of 23

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	12-APR-2026 00:05	11-APR-2026 18:31	45.91	136.50	19.60	-	0.81	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	12-APR-2026 00:04	11-APR-2026 18:34	247.06	699.79	21.79	-	3.08	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 00:04	11-APR-2026 18:30	45.52	135.40	19.41	-	0.81	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	12-APR-2026 00:04	11-APR-2026 18:34	247.06	704.18	23.90	-	3.12	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	12-APR-2026 00:04	12-APR-2026 00:00	51.43	87.97	10.09	3.78	0.38	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	12-APR-2026 00:04	12-APR-2026 00:00	51.43	87.97	10.09	3.78	0.38	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 00:04	11-APR-2026 18:30	45.23	134.20	19.53	-	0.81	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	12-APR-2026 00:03	11-APR-2026 18:33	247.06	709.16	21.77	-	3.15	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 00:03	11-APR-2026 18:29	44.99	132.90	19.73	-	0.81	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	12-APR-2026 00:03	11-APR-2026 18:33	247.06	713.52	22.37	-	3.12	site_5664	Thermo Fisher Scientific India Private Limited

1 - 10 of 23

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