Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 01:01:31
PM - 2.5 47.86 (µg/m3)
PM - 10 182.61 (µg/m3)
SO2 5.5 (µg/m3)
CO 1.56 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 01:00:14
PM - 2.5 20.67 (µg/m3)
PM - 10 55.22 (µg/m3)
SO2 0 (µg/m3)
CO 0.19 (mg/m3)
NO2 13.56 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 01:01:42
PM - 2.5 11 (µg/m3)
PM - 10 22 (µg/m3)
SO2 4.4 (µg/m3)
CO 0.02 (mg/m3)
NO2 19.4 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 01:01:36
PM - 2.5 113.68 (µg/m3)
PM - 10 385.77 (µg/m3)
SO2 16.32 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 01:00:05
PM - 2.5 2.26 (µg/m3)
PM - 10 (µg/m3)
SO2 5.42 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 01:01:36
PM - 2.5 5 (µg/m3)
PM - 10 5 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.33 (mg/m3)
NO2 20.1 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 01:01:33
PM - 2.5 66.14 (µg/m3)
PM - 10 247 (µg/m3)
SO2 20.78 (µg/m3)
CO 0.93 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 01:00:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.39 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 01:01:35
PM - 2.5 124.1 (µg/m3)
PM - 10 764.8 (µg/m3)
SO2 .94 (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 01:01:30
PM - 2.5 146.7 (µg/m3)
PM - 10 379.42 (µg/m3)
SO2 21.45 (µg/m3)
CO 3.01 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 00:48:12
PM - 2.5 70.64 (µg/m3)
PM - 10 121.79 (µg/m3)
SO2 21.01 (µg/m3)
CO 3.46 (mg/m3)
NO2 19.32 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 01:00:10
PM - 2.5 62.3 (µg/m3)
PM - 10 163.6 (µg/m3)
SO2 .59 (µg/m3)
CO 0.69 (mg/m3)
NO2 2.62 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 00:52:00
PM - 2.5 43.4 (µg/m3)
PM - 10 61.22 (µg/m3)
SO2 12.32 (µg/m3)
CO 0.27 (mg/m3)
NO2 5.49 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 00:49:17
PM - 2.5 50.99 (µg/m3)
PM - 10 87.29 (µg/m3)
SO2 9.97 (µg/m3)
CO 0.36 (mg/m3)
NO2 3.62 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 00:47:36
PM - 2.5 0 (µg/m3)
PM - 10 17.19 (µg/m3)
SO2 7.64 (µg/m3)
CO 0.42 (mg/m3)
NO2 12.98 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 01:01:26
PM - 2.5 69 (µg/m3)
PM - 10 124 (µg/m3)
SO2 4.8 (µg/m3)
CO 3.58 (mg/m3)
NO2 3.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 01:00:51
PM - 2.5 .13 (µg/m3)
PM - 10 (µg/m3)
SO2 270 (µg/m3)
CO ##### (mg/m3)
NO2 47.37 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 01:01:29
PM - 2.5 128.6 (µg/m3)
PM - 10 144.25 (µg/m3)
SO2 22.24 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 01:01:31
PM - 2.5 47.86 (µg/m3)
PM - 10 182.61 (µg/m3)
SO2 5.5 (µg/m3)
CO 1.56 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 01:00:14
PM - 2.5 20.67 (µg/m3)
PM - 10 55.22 (µg/m3)
SO2 0 (µg/m3)
CO 0.19 (mg/m3)
NO2 13.56 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 01:01:42
PM - 2.5 11 (µg/m3)
PM - 10 22 (µg/m3)
SO2 4.4 (µg/m3)
CO 0.02 (mg/m3)
NO2 19.4 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 01:01:36
PM - 2.5 113.68 (µg/m3)
PM - 10 385.77 (µg/m3)
SO2 16.32 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 01:00:05
PM - 2.5 2.26 (µg/m3)
PM - 10 (µg/m3)
SO2 5.42 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 01:01:36
PM - 2.5 5 (µg/m3)
PM - 10 5 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.33 (mg/m3)
NO2 20.1 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 01:01:33
PM - 2.5 66.14 (µg/m3)
PM - 10 247 (µg/m3)
SO2 20.78 (µg/m3)
CO 0.93 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 01:00:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.39 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 01:01:35
PM - 2.5 124.1 (µg/m3)
PM - 10 764.8 (µg/m3)
SO2 .94 (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 01:01:30
PM - 2.5 146.7 (µg/m3)
PM - 10 379.42 (µg/m3)
SO2 21.45 (µg/m3)
CO 3.01 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 00:48:12
PM - 2.5 70.64 (µg/m3)
PM - 10 121.79 (µg/m3)
SO2 21.01 (µg/m3)
CO 3.46 (mg/m3)
NO2 19.32 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 01:00:10
PM - 2.5 62.3 (µg/m3)
PM - 10 163.6 (µg/m3)
SO2 .59 (µg/m3)
CO 0.69 (mg/m3)
NO2 2.62 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 00:52:00
PM - 2.5 43.4 (µg/m3)
PM - 10 61.22 (µg/m3)
SO2 12.32 (µg/m3)
CO 0.27 (mg/m3)
NO2 5.49 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 00:49:17
PM - 2.5 50.99 (µg/m3)
PM - 10 87.29 (µg/m3)
SO2 9.97 (µg/m3)
CO 0.36 (mg/m3)
NO2 3.62 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 00:47:36
PM - 2.5 0 (µg/m3)
PM - 10 17.19 (µg/m3)
SO2 7.64 (µg/m3)
CO 0.42 (mg/m3)
NO2 12.98 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 01:01:26
PM - 2.5 69 (µg/m3)
PM - 10 124 (µg/m3)
SO2 4.8 (µg/m3)
CO 3.58 (mg/m3)
NO2 3.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 01:00:51
PM - 2.5 .13 (µg/m3)
PM - 10 (µg/m3)
SO2 270 (µg/m3)
CO ##### (mg/m3)
NO2 47.37 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 01:01:29
PM - 2.5 128.6 (µg/m3)
PM - 10 144.25 (µg/m3)
SO2 22.24 (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	195.67

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	183.90
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	529.52

1 - 2

CAAQMS Data

1 - 10 of 264

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 01:01	11-APR-2026 19:27	66.14	247.00	20.78	-	0.93	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 01:01	11-APR-2026 19:31	146.70	379.42	21.45	-	3.01	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 01:01	11-APR-2026 19:27	66.16	248.30	20.46	-	0.93	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 01:00	11-APR-2026 19:30	147.36	382.62	20.65	-	3.02	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Bilaspur, CHHATTISGARHr	South Eastern Coalfields Limited - AQMS_H_Q	12-APR-2026 01:00	11-APR-2026 19:30	0.13	-	270.00	47.37	25.92	site_5592	Swan Environ
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 01:00	11-APR-2026 19:26	66.21	249.50	20.09	-	0.92	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 01:00	11-APR-2026 19:26	66.19	250.70	19.94	-	0.90	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	12-APR-2026 00:59	11-APR-2026 19:29	150.43	396.26	23.31	-	2.98	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 00:59	11-APR-2026 19:25	66.12	251.90	20.00	-	0.89	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 00:59	11-APR-2026 19:29	151.25	399.95	22.30	-	2.98	site_5664	Thermo Fisher Scientific India Private Limited

1 - 10 of 264

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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