Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 00:31:59
PM - 2.5 33.9 (µg/m3)
PM - 10 193.15 (µg/m3)
SO2 6.65 (µg/m3)
CO 1.51 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 00:30:27
PM - 2.5 22.97 (µg/m3)
PM - 10 55.22 (µg/m3)
SO2 0 (µg/m3)
CO 0.19 (mg/m3)
NO2 7.81 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 00:31:42
PM - 2.5 11 (µg/m3)
PM - 10 21 (µg/m3)
SO2 4.4 (µg/m3)
CO 0.04 (mg/m3)
NO2 19.1 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 00:32:07
PM - 2.5 114.94 (µg/m3)
PM - 10 295.56 (µg/m3)
SO2 21.42 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 00:30:27
PM - 2.5 2.26 (µg/m3)
PM - 10 (µg/m3)
SO2 5.41 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 00:32:07
PM - 2.5 3 (µg/m3)
PM - 10 5 (µg/m3)
SO2 6.7 (µg/m3)
CO 0.32 (mg/m3)
NO2 20.4 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 00:32:03
PM - 2.5 52.69 (µg/m3)
PM - 10 152 (µg/m3)
SO2 19.95 (µg/m3)
CO 0.85 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 00:30:50
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
12-04-2026 00:32:07
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 4 (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
12-04-2026 00:32:00
PM - 2.5 191.99 (µg/m3)
PM - 10 489.79 (µg/m3)
SO2 23.05 (µg/m3)
CO 3.12 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 00:18:12
PM - 2.5 70.64 (µg/m3)
PM - 10 121.79 (µg/m3)
SO2 18.78 (µg/m3)
CO 3.42 (mg/m3)
NO2 19.19 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 00:30:33
PM - 2.5 62.3 (µg/m3)
PM - 10 163.6 (µg/m3)
SO2 .81 (µg/m3)
CO 0.70 (mg/m3)
NO2 2.59 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 00:22:00
PM - 2.5 42.4 (µg/m3)
PM - 10 58.52 (µg/m3)
SO2 13.65 (µg/m3)
CO 0.25 (mg/m3)
NO2 5.25 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 00:19:17
PM - 2.5 57.86 (µg/m3)
PM - 10 97.83 (µg/m3)
SO2 11.82 (µg/m3)
CO 0.67 (mg/m3)
NO2 6.09 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 00:17:36
PM - 2.5 0 (µg/m3)
PM - 10 20.11 (µg/m3)
SO2 7.18 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.63 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 00:32:04
PM - 2.5 43 (µg/m3)
PM - 10 75 (µg/m3)
SO2 4.9 (µg/m3)
CO 3.44 (mg/m3)
NO2 3.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 00:30:13
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO ##### (mg/m3)
NO2 46.7 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 00:31:57
PM - 2.5 122.32 (µg/m3)
PM - 10 125.58 (µg/m3)
SO2 13.64 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 00:31:59
PM - 2.5 33.9 (µg/m3)
PM - 10 193.15 (µg/m3)
SO2 6.65 (µg/m3)
CO 1.51 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 00:30:27
PM - 2.5 22.97 (µg/m3)
PM - 10 55.22 (µg/m3)
SO2 0 (µg/m3)
CO 0.19 (mg/m3)
NO2 7.81 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 00:31:42
PM - 2.5 11 (µg/m3)
PM - 10 21 (µg/m3)
SO2 4.4 (µg/m3)
CO 0.04 (mg/m3)
NO2 19.1 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 00:32:07
PM - 2.5 114.94 (µg/m3)
PM - 10 295.56 (µg/m3)
SO2 21.42 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 00:30:27
PM - 2.5 2.26 (µg/m3)
PM - 10 (µg/m3)
SO2 5.41 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 00:32:07
PM - 2.5 3 (µg/m3)
PM - 10 5 (µg/m3)
SO2 6.7 (µg/m3)
CO 0.32 (mg/m3)
NO2 20.4 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 00:32:03
PM - 2.5 52.69 (µg/m3)
PM - 10 152 (µg/m3)
SO2 19.95 (µg/m3)
CO 0.85 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 00:30:50
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
12-04-2026 00:32:07
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 4 (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
12-04-2026 00:32:00
PM - 2.5 191.99 (µg/m3)
PM - 10 489.79 (µg/m3)
SO2 23.05 (µg/m3)
CO 3.12 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 00:18:12
PM - 2.5 70.64 (µg/m3)
PM - 10 121.79 (µg/m3)
SO2 18.78 (µg/m3)
CO 3.42 (mg/m3)
NO2 19.19 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 00:30:33
PM - 2.5 62.3 (µg/m3)
PM - 10 163.6 (µg/m3)
SO2 .81 (µg/m3)
CO 0.70 (mg/m3)
NO2 2.59 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 00:22:00
PM - 2.5 42.4 (µg/m3)
PM - 10 58.52 (µg/m3)
SO2 13.65 (µg/m3)
CO 0.25 (mg/m3)
NO2 5.25 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 00:19:17
PM - 2.5 57.86 (µg/m3)
PM - 10 97.83 (µg/m3)
SO2 11.82 (µg/m3)
CO 0.67 (mg/m3)
NO2 6.09 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 00:17:36
PM - 2.5 0 (µg/m3)
PM - 10 20.11 (µg/m3)
SO2 7.18 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.63 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 00:32:04
PM - 2.5 43 (µg/m3)
PM - 10 75 (µg/m3)
SO2 4.9 (µg/m3)
CO 3.44 (mg/m3)
NO2 3.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 00:30:13
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO ##### (mg/m3)
NO2 46.7 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 00:31:57
PM - 2.5 122.32 (µg/m3)
PM - 10 125.58 (µg/m3)
SO2 13.64 (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	220.50

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	137.74
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	609.18

1 - 2

CAAQMS Data

1 - 10 of 140

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 00:32	11-APR-2026 18:58	52.69	152.00	19.95	-	0.85	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 00:32	11-APR-2026 19:01	191.99	489.79	23.05	-	3.12	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 00:31	11-APR-2026 18:57	52.69	148.40	20.09	-	0.85	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 00:31	11-APR-2026 19:01	191.88	494.02	20.24	-	3.09	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 00:31	11-APR-2026 18:57	52.08	145.10	20.23	-	0.85	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 00:30	11-APR-2026 19:00	192.00	497.75	20.23	-	3.11	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 00:30	11-APR-2026 18:56	51.42	142.30	20.51	-	0.85	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 00:30	11-APR-2026 19:00	192.51	502.07	20.78	-	3.10	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Bilaspur, CHHATTISGARHr	South Eastern Coalfields Limited - AQMS_H_Q	12-APR-2026 00:30	11-APR-2026 18:59	0.00	-	0.00	46.70	26.37	site_5592	Swan Environ
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 00:30	11-APR-2026 18:56	50.75	139.70	20.85	-	0.85	site_5720	Thermo Fisher Scientific India Private Limited

1 - 10 of 140

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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