Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 02:32:31
PM - 2.5 79.85 (µg/m3)
PM - 10 258.56 (µg/m3)
SO2 5.64 (µg/m3)
CO 1.52 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 02:30:30
PM - 2.5 21.68 (µg/m3)
PM - 10 85.57 (µg/m3)
SO2 0 (µg/m3)
CO 0.18 (mg/m3)
NO2 15.82 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 02:32:28
PM - 2.5 7 (µg/m3)
PM - 10 13 (µg/m3)
SO2 4.4 (µg/m3)
CO 0.01 (mg/m3)
NO2 18.9 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 02:32:37
PM - 2.5 97.74 (µg/m3)
PM - 10 221.48 (µg/m3)
SO2 12.16 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 02:30:56
PM - 2.5 2.27 (µg/m3)
PM - 10 (µg/m3)
SO2 5.48 (µg/m3)
CO ##### (mg/m3)
NO2 .15 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 02:32:08
PM - 2.5 7 (µg/m3)
PM - 10 11 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.34 (mg/m3)
NO2 20.5 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 02:32:37
PM - 2.5 60.4 (µg/m3)
PM - 10 100.2 (µg/m3)
SO2 27.35 (µg/m3)
CO 3.98 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 02:30:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.34 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 02:32:35
PM - 2.5 58.93 (µg/m3)
PM - 10 158.3 (µg/m3)
SO2 .27 (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 02:31:58
PM - 2.5 178.46 (µg/m3)
PM - 10 196.23 (µg/m3)
SO2 21.48 (µg/m3)
CO 2.76 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 02:18:15
PM - 2.5 128.21 (µg/m3)
PM - 10 221.05 (µg/m3)
SO2 21.35 (µg/m3)
CO 3.45 (mg/m3)
NO2 19.24 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 02:30:03
PM - 2.5 50.1 (µg/m3)
PM - 10 135.7 (µg/m3)
SO2 .74 (µg/m3)
CO 0.61 (mg/m3)
NO2 2.51 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 02:22:00
PM - 2.5 56.2 (µg/m3)
PM - 10 94.67 (µg/m3)
SO2 12.33 (µg/m3)
CO 0.44 (mg/m3)
NO2 8.42 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 02:19:18
PM - 2.5 50.09 (µg/m3)
PM - 10 85.92 (µg/m3)
SO2 9.73 (µg/m3)
CO 0.32 (mg/m3)
NO2 3.3 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 02:32:31
PM - 2.5 0 (µg/m3)
PM - 10 17.65 (µg/m3)
SO2 7.1 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.51 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 02:32:26
PM - 2.5 65 (µg/m3)
PM - 10 115 (µg/m3)
SO2 5 (µg/m3)
CO 1.85 (mg/m3)
NO2 3.5 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 02:30:46
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 17.73 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 02:32:31
PM - 2.5 106.66 (µg/m3)
PM - 10 171.24 (µg/m3)
SO2 9.75 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 02:32:31
PM - 2.5 79.85 (µg/m3)
PM - 10 258.56 (µg/m3)
SO2 5.64 (µg/m3)
CO 1.52 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 02:30:30
PM - 2.5 21.68 (µg/m3)
PM - 10 85.57 (µg/m3)
SO2 0 (µg/m3)
CO 0.18 (mg/m3)
NO2 15.82 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 02:32:28
PM - 2.5 7 (µg/m3)
PM - 10 13 (µg/m3)
SO2 4.4 (µg/m3)
CO 0.01 (mg/m3)
NO2 18.9 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 02:32:37
PM - 2.5 97.74 (µg/m3)
PM - 10 221.48 (µg/m3)
SO2 12.16 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 02:30:56
PM - 2.5 2.27 (µg/m3)
PM - 10 (µg/m3)
SO2 5.48 (µg/m3)
CO ##### (mg/m3)
NO2 .15 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 02:32:08
PM - 2.5 7 (µg/m3)
PM - 10 11 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.34 (mg/m3)
NO2 20.5 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 02:32:37
PM - 2.5 60.4 (µg/m3)
PM - 10 100.2 (µg/m3)
SO2 27.35 (µg/m3)
CO 3.98 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 02:30:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.34 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 02:32:35
PM - 2.5 58.93 (µg/m3)
PM - 10 158.3 (µg/m3)
SO2 .27 (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 02:31:58
PM - 2.5 178.46 (µg/m3)
PM - 10 196.23 (µg/m3)
SO2 21.48 (µg/m3)
CO 2.76 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 02:18:15
PM - 2.5 128.21 (µg/m3)
PM - 10 221.05 (µg/m3)
SO2 21.35 (µg/m3)
CO 3.45 (mg/m3)
NO2 19.24 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 02:30:03
PM - 2.5 50.1 (µg/m3)
PM - 10 135.7 (µg/m3)
SO2 .74 (µg/m3)
CO 0.61 (mg/m3)
NO2 2.51 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 02:22:00
PM - 2.5 56.2 (µg/m3)
PM - 10 94.67 (µg/m3)
SO2 12.33 (µg/m3)
CO 0.44 (mg/m3)
NO2 8.42 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 02:19:18
PM - 2.5 50.09 (µg/m3)
PM - 10 85.92 (µg/m3)
SO2 9.73 (µg/m3)
CO 0.32 (mg/m3)
NO2 3.3 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 02:32:31
PM - 2.5 0 (µg/m3)
PM - 10 17.65 (µg/m3)
SO2 7.1 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.51 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 02:32:26
PM - 2.5 65 (µg/m3)
PM - 10 115 (µg/m3)
SO2 5 (µg/m3)
CO 1.85 (mg/m3)
NO2 3.5 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 02:30:46
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 17.73 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 02:32:31
PM - 2.5 106.66 (µg/m3)
PM - 10 171.24 (µg/m3)
SO2 9.75 (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	234.88

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	150.58
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	322.56

1 - 2

CAAQMS Data

1 - 10 of 648

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 02:32	11-APR-2026 20:58	60.40	100.20	27.35	-	3.98	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL,Kusmunda	SECL_KUSMUNDA	12-APR-2026 02:32	12-APR-2026 02:30	0.00	17.65	7.10	13.51	0.42	site_1963	Envea India Pvt Ltd
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 02:32	11-APR-2026 20:58	59.95	99.14	26.50	-	3.94	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 02:31	11-APR-2026 21:01	178.46	196.23	21.48	-	2.76	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 02:31	11-APR-2026 20:57	59.44	97.93	26.23	-	3.89	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 02:31	11-APR-2026 21:01	179.77	195.99	25.04	-	2.72	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 02:31	11-APR-2026 20:57	58.81	96.73	25.79	-	3.84	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 02:30	11-APR-2026 21:00	180.90	195.65	20.93	-	2.76	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Bilaspur, CHHATTISGARHr	South Eastern Coalfields Limited - AQMS_H_Q	12-APR-2026 02:30	11-APR-2026 20:59	0.00	-	17.73	0.00	14.81	site_5592	Swan Environ
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 02:30	11-APR-2026 20:56	58.12	95.46	25.92	-	3.79	site_5720	Thermo Fisher Scientific India Private Limited

1 - 10 of 648

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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