Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 00:02:32
PM - 2.5 54.75 (µg/m3)
PM - 10 300.19 (µg/m3)
SO2 5.88 (µg/m3)
CO 1.62 (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 00:02:27
PM - 2.5 11 (µg/m3)
PM - 10 18 (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 00:02:54
PM - 2.5 147.28 (µg/m3)
PM - 10 278.12 (µg/m3)
SO2 23 (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 00:02:35
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 00:02:33
PM - 2.5 44.39 (µg/m3)
PM - 10 130.1 (µg/m3)
SO2 19.9 (µg/m3)
CO 0.80 (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 00:02:35
PM - 2.5 43.53 (µg/m3)
PM - 10 243.2 (µg/m3)
SO2 .66 (µg/m3)
CO 0.57 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
12-04-2026 00:02:54
PM - 2.5 247.06 (µg/m3)
PM - 10 718.15 (µg/m3)
SO2 20.32 (µg/m3)
CO 3.14 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
11-04-2026 23:48:12
PM - 2.5 66.84 (µg/m3)
PM - 10 115.25 (µg/m3)
SO2 23.91 (µg/m3)
CO 3.50 (mg/m3)
NO2 19.21 (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
11-04-2026 23:49:17
PM - 2.5 52.34 (µg/m3)
PM - 10 89.37 (µg/m3)
SO2 10.33 (µg/m3)
CO 0.42 (mg/m3)
NO2 4.11 (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 00:02:34
PM - 2.5 43 (µg/m3)
PM - 10 75 (µg/m3)
SO2 5.1 (µg/m3)
CO 1.72 (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 00:02:57
PM - 2.5 107.99 (µg/m3)
PM - 10 117.56 (µg/m3)
SO2 14.28 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 00:02:32
PM - 2.5 54.75 (µg/m3)
PM - 10 300.19 (µg/m3)
SO2 5.88 (µg/m3)
CO 1.62 (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 00:02:27
PM - 2.5 11 (µg/m3)
PM - 10 18 (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 00:02:54
PM - 2.5 147.28 (µg/m3)
PM - 10 278.12 (µg/m3)
SO2 23 (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 00:02:35
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 00:02:33
PM - 2.5 44.39 (µg/m3)
PM - 10 130.1 (µg/m3)
SO2 19.9 (µg/m3)
CO 0.80 (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 00:02:35
PM - 2.5 43.53 (µg/m3)
PM - 10 243.2 (µg/m3)
SO2 .66 (µg/m3)
CO 0.57 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
12-04-2026 00:02:54
PM - 2.5 247.06 (µg/m3)
PM - 10 718.15 (µg/m3)
SO2 20.32 (µg/m3)
CO 3.14 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
11-04-2026 23:48:12
PM - 2.5 66.84 (µg/m3)
PM - 10 115.25 (µg/m3)
SO2 23.91 (µg/m3)
CO 3.50 (mg/m3)
NO2 19.21 (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
11-04-2026 23:49:17
PM - 2.5 52.34 (µg/m3)
PM - 10 89.37 (µg/m3)
SO2 10.33 (µg/m3)
CO 0.42 (mg/m3)
NO2 4.11 (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 00:02:34
PM - 2.5 43 (µg/m3)
PM - 10 75 (µg/m3)
SO2 5.1 (µg/m3)
CO 1.72 (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 00:02:57
PM - 2.5 107.99 (µg/m3)
PM - 10 117.56 (µg/m3)
SO2 14.28 (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	125.17
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	732.92

1 - 2

CAAQMS Data

1 - 10 of 12

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	12-APR-2026 00:02	11-APR-2026 18:32	247.06	718.15	20.32	-	3.14	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 00:02	11-APR-2026 18:28	44.39	130.10	19.90	-	0.80	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL,Kusmunda	SECL_KUSMUNDA	12-APR-2026 00:02	12-APR-2026 00:00	0.00	24.04	7.29	13.39	0.42	site_1963	Envea India Pvt Ltd
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 00:02	11-APR-2026 18:28	44.19	128.40	19.66	-	0.80	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 00:01	11-APR-2026 18:27	44.01	126.30	19.91	-	0.80	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 00:01	11-APR-2026 18:31	247.06	730.89	19.21	-	3.13	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 00:01	11-APR-2026 18:27	43.71	124.30	19.82	-	0.80	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 00:00	11-APR-2026 18:30	247.06	735.49	20.65	-	3.13	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Bilaspur, CHHATTISGARHr	South Eastern Coalfields Limited - AQMS_H_Q	12-APR-2026 00:00	11-APR-2026 18:30	0.00	-	43.22	0.00	0.00	site_5592	Swan Environ
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 00:00	11-APR-2026 18:26	43.35	122.10	19.97	-	0.79	site_5720	Thermo Fisher Scientific India Private Limited

1 - 10 of 12

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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