Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 05:32:59
PM - 2.5 94.65 (µg/m3)
PM - 10 331.8 (µg/m3)
SO2 2.74 (µg/m3)
CO 1.65 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 05:30:03
PM - 2.5 22.19 (µg/m3)
PM - 10 87.83 (µg/m3)
SO2 0 (µg/m3)
CO 0.30 (mg/m3)
NO2 12.94 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 05:32:31
PM - 2.5 6 (µg/m3)
PM - 10 11 (µg/m3)
SO2 4.5 (µg/m3)
CO 0.01 (mg/m3)
NO2 19.2 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 05:32:59
PM - 2.5 81.98 (µg/m3)
PM - 10 137.8 (µg/m3)
SO2 4.76 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 05:30:42
PM - 2.5 2.29 (µg/m3)
PM - 10 (µg/m3)
SO2 5.55 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 05:32:42
PM - 2.5 15 (µg/m3)
PM - 10 22 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.35 (mg/m3)
NO2 21.3 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 05:32:39
PM - 2.5 47.44 (µg/m3)
PM - 10 72.07 (µg/m3)
SO2 22.1 (µg/m3)
CO 2.12 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 05:30:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 985.87 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 05:32:35
PM - 2.5 52.51 (µg/m3)
PM - 10 139.7 (µg/m3)
SO2 1 (µg/m3)
CO 0.54 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
12-04-2026 05:32:38
PM - 2.5 79.41 (µg/m3)
PM - 10 170.67 (µg/m3)
SO2 19.87 (µg/m3)
CO 2.50 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 05:18:16
PM - 2.5 110.81 (µg/m3)
PM - 10 191.06 (µg/m3)
SO2 18.55 (µg/m3)
CO 4.14 (mg/m3)
NO2 19.47 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 05:30:52
PM - 2.5 54.5 (µg/m3)
PM - 10 197.9 (µg/m3)
SO2 .41 (µg/m3)
CO 0.66 (mg/m3)
NO2 2.88 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 05:22:00
PM - 2.5 43.7 (µg/m3)
PM - 10 61.96 (µg/m3)
SO2 12.64 (µg/m3)
CO 0.27 (mg/m3)
NO2 5.55 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 05:19:18
PM - 2.5 54.35 (µg/m3)
PM - 10 92.44 (µg/m3)
SO2 10.87 (µg/m3)
CO 0.51 (mg/m3)
NO2 4.83 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 05:32:31
PM - 2.5 0 (µg/m3)
PM - 10 79.45 (µg/m3)
SO2 7.19 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.59 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 05:32:58
PM - 2.5 32 (µg/m3)
PM - 10 57 (µg/m3)
SO2 5.1 (µg/m3)
CO 1.41 (mg/m3)
NO2 3.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 05:30:36
PM - 2.5 10.04 (µg/m3)
PM - 10 (µg/m3)
SO2 6.87 (µg/m3)
CO 0.16 (mg/m3)
NO2 27.86 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 05:33:03
PM - 2.5 72.76 (µg/m3)
PM - 10 91.55 (µg/m3)
SO2 19.61 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 05:32:59
PM - 2.5 94.65 (µg/m3)
PM - 10 331.8 (µg/m3)
SO2 2.74 (µg/m3)
CO 1.65 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 05:30:03
PM - 2.5 22.19 (µg/m3)
PM - 10 87.83 (µg/m3)
SO2 0 (µg/m3)
CO 0.30 (mg/m3)
NO2 12.94 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 05:32:31
PM - 2.5 6 (µg/m3)
PM - 10 11 (µg/m3)
SO2 4.5 (µg/m3)
CO 0.01 (mg/m3)
NO2 19.2 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 05:32:59
PM - 2.5 81.98 (µg/m3)
PM - 10 137.8 (µg/m3)
SO2 4.76 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 05:30:42
PM - 2.5 2.29 (µg/m3)
PM - 10 (µg/m3)
SO2 5.55 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 05:32:42
PM - 2.5 15 (µg/m3)
PM - 10 22 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.35 (mg/m3)
NO2 21.3 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 05:32:39
PM - 2.5 47.44 (µg/m3)
PM - 10 72.07 (µg/m3)
SO2 22.1 (µg/m3)
CO 2.12 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 05:30:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 985.87 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 05:32:35
PM - 2.5 52.51 (µg/m3)
PM - 10 139.7 (µg/m3)
SO2 1 (µg/m3)
CO 0.54 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
12-04-2026 05:32:38
PM - 2.5 79.41 (µg/m3)
PM - 10 170.67 (µg/m3)
SO2 19.87 (µg/m3)
CO 2.50 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 05:18:16
PM - 2.5 110.81 (µg/m3)
PM - 10 191.06 (µg/m3)
SO2 18.55 (µg/m3)
CO 4.14 (mg/m3)
NO2 19.47 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 05:30:52
PM - 2.5 54.5 (µg/m3)
PM - 10 197.9 (µg/m3)
SO2 .41 (µg/m3)
CO 0.66 (mg/m3)
NO2 2.88 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 05:22:00
PM - 2.5 43.7 (µg/m3)
PM - 10 61.96 (µg/m3)
SO2 12.64 (µg/m3)
CO 0.27 (mg/m3)
NO2 5.55 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 05:19:18
PM - 2.5 54.35 (µg/m3)
PM - 10 92.44 (µg/m3)
SO2 10.87 (µg/m3)
CO 0.51 (mg/m3)
NO2 4.83 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 05:32:31
PM - 2.5 0 (µg/m3)
PM - 10 79.45 (µg/m3)
SO2 7.19 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.59 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 05:32:58
PM - 2.5 32 (µg/m3)
PM - 10 57 (µg/m3)
SO2 5.1 (µg/m3)
CO 1.41 (mg/m3)
NO2 3.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 05:30:36
PM - 2.5 10.04 (µg/m3)
PM - 10 (µg/m3)
SO2 6.87 (µg/m3)
CO 0.16 (mg/m3)
NO2 27.86 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 05:33:03
PM - 2.5 72.76 (µg/m3)
PM - 10 91.55 (µg/m3)
SO2 19.61 (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 Saraipali Opencast Coal Mine	60	61.85
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	140.79

1 - 2

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	120.15
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	265.52

1 - 2

CAAQMS Data

1 - 10 of 1,410

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 05:32	11-APR-2026 23:58	47.44	72.07	22.10	-	2.12	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 05:32	12-APR-2026 00:02	79.41	170.67	19.87	-	2.50	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL,Kusmunda	SECL_KUSMUNDA	12-APR-2026 05:32	12-APR-2026 05:30	0.00	79.45	7.19	13.59	0.42	site_1963	Envea India Pvt Ltd
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	12-APR-2026 05:32	12-APR-2026 00:02	79.63	171.01	22.44	-	2.51	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 05:32	11-APR-2026 23:58	47.61	72.35	21.80	-	2.13	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 05:31	11-APR-2026 23:57	47.68	72.65	21.76	-	2.15	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 05:31	12-APR-2026 00:01	79.57	171.26	21.37	-	2.57	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 05:31	11-APR-2026 23:57	47.57	72.99	21.55	-	2.17	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 05:31	12-APR-2026 00:01	79.60	171.48	24.01	-	2.57	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 05:30	12-APR-2026 00:00	79.64	171.65	21.00	-	2.57	site_5664	Thermo Fisher Scientific India Private Limited

1 - 10 of 1,410

marquee

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