Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 00:44:59
PM - 2.5 38.71 (µg/m3)
PM - 10 174.18 (µg/m3)
SO2 6.16 (µg/m3)
CO 1.52 (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 00:45:12
PM - 2.5 11 (µg/m3)
PM - 10 21 (µg/m3)
SO2 4.4 (µg/m3)
CO 0.04 (mg/m3)
NO2 19.3 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 00:45:07
PM - 2.5 114.94 (µg/m3)
PM - 10 317.36 (µg/m3)
SO2 14.89 (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 00:45:05
PM - 2.5 3 (µg/m3)
PM - 10 5 (µg/m3)
SO2 6.6 (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 00:45:05
PM - 2.5 52.69 (µg/m3)
PM - 10 247.7 (µg/m3)
SO2 20.4 (µg/m3)
CO 0.83 (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 00:45:06
PM - 2.5 119.7 (µg/m3)
PM - 10 1000 (µg/m3)
SO2 1.25 (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 00:45:07
PM - 2.5 169.84 (µg/m3)
PM - 10 449.95 (µg/m3)
SO2 22.52 (µg/m3)
CO 3.10 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 00:33:12
PM - 2.5 70.64 (µg/m3)
PM - 10 121.79 (µg/m3)
SO2 21.87 (µg/m3)
CO 3.73 (mg/m3)
NO2 19.18 (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 00:37:00
PM - 2.5 44.9 (µg/m3)
PM - 10 65.1 (µg/m3)
SO2 13.16 (µg/m3)
CO 0.29 (mg/m3)
NO2 5.83 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 00:34:17
PM - 2.5 50.52 (µg/m3)
PM - 10 86.58 (µg/m3)
SO2 9.84 (µg/m3)
CO 0.34 (mg/m3)
NO2 3.46 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 00:32:31
PM - 2.5 0 (µg/m3)
PM - 10 18.17 (µg/m3)
SO2 7.07 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.1 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 00:45:05
PM - 2.5 43 (µg/m3)
PM - 10 75 (µg/m3)
SO2 4.9 (µg/m3)
CO 3.66 (mg/m3)
NO2 3.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 00:45:02
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO ##### (mg/m3)
NO2 48.4 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 00:44:58
PM - 2.5 121.68 (µg/m3)
PM - 10 125.62 (µg/m3)
SO2 13.48 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 00:44:59
PM - 2.5 38.71 (µg/m3)
PM - 10 174.18 (µg/m3)
SO2 6.16 (µg/m3)
CO 1.52 (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 00:45:12
PM - 2.5 11 (µg/m3)
PM - 10 21 (µg/m3)
SO2 4.4 (µg/m3)
CO 0.04 (mg/m3)
NO2 19.3 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 00:45:07
PM - 2.5 114.94 (µg/m3)
PM - 10 317.36 (µg/m3)
SO2 14.89 (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 00:45:05
PM - 2.5 3 (µg/m3)
PM - 10 5 (µg/m3)
SO2 6.6 (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 00:45:05
PM - 2.5 52.69 (µg/m3)
PM - 10 247.7 (µg/m3)
SO2 20.4 (µg/m3)
CO 0.83 (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 00:45:06
PM - 2.5 119.7 (µg/m3)
PM - 10 1000 (µg/m3)
SO2 1.25 (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 00:45:07
PM - 2.5 169.84 (µg/m3)
PM - 10 449.95 (µg/m3)
SO2 22.52 (µg/m3)
CO 3.10 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 00:33:12
PM - 2.5 70.64 (µg/m3)
PM - 10 121.79 (µg/m3)
SO2 21.87 (µg/m3)
CO 3.73 (mg/m3)
NO2 19.18 (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 00:37:00
PM - 2.5 44.9 (µg/m3)
PM - 10 65.1 (µg/m3)
SO2 13.16 (µg/m3)
CO 0.29 (mg/m3)
NO2 5.83 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 00:34:17
PM - 2.5 50.52 (µg/m3)
PM - 10 86.58 (µg/m3)
SO2 9.84 (µg/m3)
CO 0.34 (mg/m3)
NO2 3.46 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 00:32:31
PM - 2.5 0 (µg/m3)
PM - 10 18.17 (µg/m3)
SO2 7.07 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.1 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 00:45:05
PM - 2.5 43 (µg/m3)
PM - 10 75 (µg/m3)
SO2 4.9 (µg/m3)
CO 3.66 (mg/m3)
NO2 3.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 00:45:02
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO ##### (mg/m3)
NO2 48.4 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 00:44:58
PM - 2.5 121.68 (µg/m3)
PM - 10 125.62 (µg/m3)
SO2 13.48 (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	209.54

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	157.48
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	563.93

1 - 2

CAAQMS Data

1 - 10 of 196

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 00:45	11-APR-2026 19:15	169.84	449.95	22.52	-	3.10	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 00:45	11-APR-2026 19:11	52.69	247.70	20.40	-	0.83	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Bilaspur, CHHATTISGARHr	South Eastern Coalfields Limited - AQMS_H_Q	12-APR-2026 00:45	11-APR-2026 19:14	0.00	-	0.00	48.40	26.28	site_5592	Swan Environ
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 00:44	11-APR-2026 19:10	52.69	245.70	21.09	-	0.84	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 00:44	11-APR-2026 19:14	171.29	449.95	22.73	-	3.08	site_5664	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 00:44	11-APR-2026 19:14	172.45	449.95	23.73	-	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 00:44	11-APR-2026 19:10	52.69	243.60	21.50	-	0.83	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 00:43	11-APR-2026 19:13	173.93	449.95	20.53	-	3.16	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 00:43	11-APR-2026 19:09	52.69	241.20	21.83	-	0.83	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 00:43	11-APR-2026 19:13	175.08	449.95	23.66	-	3.13	site_5664	Thermo Fisher Scientific India Private Limited

1 - 10 of 196

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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