Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 01:20:00
PM - 2.5 65.01 (µg/m3)
PM - 10 215.64 (µg/m3)
SO2 5.06 (µg/m3)
CO 1.52 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 01:15:07
PM - 2.5 20.67 (µg/m3)
PM - 10 68.8 (µg/m3)
SO2 0 (µg/m3)
CO 0.19 (mg/m3)
NO2 14.38 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 01:19:43
PM - 2.5 5 (µg/m3)
PM - 10 9 (µg/m3)
SO2 4.5 (µg/m3)
CO 0.02 (mg/m3)
NO2 19 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 01:20:08
PM - 2.5 118.04 (µg/m3)
PM - 10 400.91 (µg/m3)
SO2 12.95 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 01:15:53
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 56.75 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 01:20:06
PM - 2.5 5 (µg/m3)
PM - 10 8 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.33 (mg/m3)
NO2 20.4 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 01:20:04
PM - 2.5 67.65 (µg/m3)
PM - 10 189 (µg/m3)
SO2 20.15 (µg/m3)
CO 0.94 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 01:15:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.21 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 01:20:05
PM - 2.5 93.35 (µg/m3)
PM - 10 486.2 (µg/m3)
SO2 .93 (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 01:20:01
PM - 2.5 284.49 (µg/m3)
PM - 10 280 (µg/m3)
SO2 23.92 (µg/m3)
CO 2.92 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 01:18:14
PM - 2.5 109.54 (µg/m3)
PM - 10 188.87 (µg/m3)
SO2 20.65 (µg/m3)
CO 3.77 (mg/m3)
NO2 20.1 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 01:15:58
PM - 2.5 62.3 (µg/m3)
PM - 10 139 (µg/m3)
SO2 .64 (µg/m3)
CO 0.67 (mg/m3)
NO2 2.62 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 01:07:00
PM - 2.5 52.3 (µg/m3)
PM - 10 84.48 (µg/m3)
SO2 13.27 (µg/m3)
CO 0.38 (mg/m3)
NO2 7.53 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 01:19:17
PM - 2.5 50.97 (µg/m3)
PM - 10 87.26 (µg/m3)
SO2 9.96 (µg/m3)
CO 0.36 (mg/m3)
NO2 3.62 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 01:17:31
PM - 2.5 0 (µg/m3)
PM - 10 62.62 (µg/m3)
SO2 7.14 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.4 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 01:19:31
PM - 2.5 69 (µg/m3)
PM - 10 124 (µg/m3)
SO2 4.9 (µg/m3)
CO 3.23 (mg/m3)
NO2 3.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 01:15:40
PM - 2.5 .12 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO ##### (mg/m3)
NO2 47.49 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 01:19:58
PM - 2.5 123.87 (µg/m3)
PM - 10 160.86 (µg/m3)
SO2 500 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 01:20:00
PM - 2.5 65.01 (µg/m3)
PM - 10 215.64 (µg/m3)
SO2 5.06 (µg/m3)
CO 1.52 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 01:15:07
PM - 2.5 20.67 (µg/m3)
PM - 10 68.8 (µg/m3)
SO2 0 (µg/m3)
CO 0.19 (mg/m3)
NO2 14.38 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 01:19:43
PM - 2.5 5 (µg/m3)
PM - 10 9 (µg/m3)
SO2 4.5 (µg/m3)
CO 0.02 (mg/m3)
NO2 19 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 01:20:08
PM - 2.5 118.04 (µg/m3)
PM - 10 400.91 (µg/m3)
SO2 12.95 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 01:15:53
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 56.75 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 01:20:06
PM - 2.5 5 (µg/m3)
PM - 10 8 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.33 (mg/m3)
NO2 20.4 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 01:20:04
PM - 2.5 67.65 (µg/m3)
PM - 10 189 (µg/m3)
SO2 20.15 (µg/m3)
CO 0.94 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 01:15:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.21 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 01:20:05
PM - 2.5 93.35 (µg/m3)
PM - 10 486.2 (µg/m3)
SO2 .93 (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 01:20:01
PM - 2.5 284.49 (µg/m3)
PM - 10 280 (µg/m3)
SO2 23.92 (µg/m3)
CO 2.92 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 01:18:14
PM - 2.5 109.54 (µg/m3)
PM - 10 188.87 (µg/m3)
SO2 20.65 (µg/m3)
CO 3.77 (mg/m3)
NO2 20.1 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 01:15:58
PM - 2.5 62.3 (µg/m3)
PM - 10 139 (µg/m3)
SO2 .64 (µg/m3)
CO 0.67 (mg/m3)
NO2 2.62 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 01:07:00
PM - 2.5 52.3 (µg/m3)
PM - 10 84.48 (µg/m3)
SO2 13.27 (µg/m3)
CO 0.38 (mg/m3)
NO2 7.53 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 01:19:17
PM - 2.5 50.97 (µg/m3)
PM - 10 87.26 (µg/m3)
SO2 9.96 (µg/m3)
CO 0.36 (mg/m3)
NO2 3.62 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 01:17:31
PM - 2.5 0 (µg/m3)
PM - 10 62.62 (µg/m3)
SO2 7.14 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.4 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 01:19:31
PM - 2.5 69 (µg/m3)
PM - 10 124 (µg/m3)
SO2 4.9 (µg/m3)
CO 3.23 (mg/m3)
NO2 3.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 01:15:40
PM - 2.5 .12 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO ##### (mg/m3)
NO2 47.49 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 01:19:58
PM - 2.5 123.87 (µg/m3)
PM - 10 160.86 (µg/m3)
SO2 500 (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	189.49

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	191.67
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	482.59

1 - 2

CAAQMS Data

1 - 10 of 344

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 01:20	11-APR-2026 19:46	67.65	189.00	20.15	-	0.94	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 01:20	11-APR-2026 19:49	284.49	280.00	23.92	-	2.92	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 01:19	11-APR-2026 19:45	68.07	190.70	19.91	-	0.94	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 01:19	11-APR-2026 19:49	272.04	283.35	22.84	-	2.98	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	12-APR-2026 01:19	12-APR-2026 01:15	50.97	87.26	9.96	3.62	0.36	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 01:19	11-APR-2026 19:45	68.39	192.40	19.89	-	0.95	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 01:18	11-APR-2026 19:48	260.80	286.16	22.68	-	2.96	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 01:18	11-APR-2026 19:44	68.58	194.00	20.22	-	0.95	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 01:18	11-APR-2026 19:48	247.56	289.32	22.87	-	2.99	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 01:18	11-APR-2026 19:44	68.60	195.60	20.71	-	0.96	site_5720	Thermo Fisher Scientific India Private Limited

1 - 10 of 344

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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