Subsidiary wise

Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 09:00:22
PM - 2.5 50.08 (µg/m3)
PM - 10 90.09 (µg/m3)
SO2 0 (µg/m3)
CO 0.61 (mg/m3)
NO2 14.79 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 09:03:43
PM - 2.5 76 (µg/m3)
PM - 10 156 (µg/m3)
SO2 4.9 (µg/m3)
CO 5.19 (mg/m3)
NO2 18.9 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 09:04:16
PM - 2.5 83.07 (µg/m3)
PM - 10 270.54 (µg/m3)
SO2 12.39 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 09:00:05
PM - 2.5 2.29 (µg/m3)
PM - 10 (µg/m3)
SO2 5.43 (µg/m3)
CO ##### (mg/m3)
NO2 .63 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
12-04-2026 09:04:12
PM - 2.5 13 (µg/m3)
PM - 10 22 (µg/m3)
SO2 6.8 (µg/m3)
CO 0.04 (mg/m3)
NO2 2.2 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
12-04-2026 09:04:27
PM - 2.5 20 (µg/m3)
PM - 10 38 (µg/m3)
SO2 13.4 (µg/m3)
CO 0.85 (mg/m3)
NO2 17.3 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 09:04:05
PM - 2.5 33 (µg/m3)
PM - 10 51 (µg/m3)
SO2 7.2 (µg/m3)
CO 0.60 (mg/m3)
NO2 20.8 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 09:04:12
PM - 2.5 27.98 (µg/m3)
PM - 10 69.75 (µg/m3)
SO2 20.23 (µg/m3)
CO 0.69 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 09:00:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.51 (mg/m3)
NO2 74.88 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 09:04:04
PM - 2.5 52.87 (µg/m3)
PM - 10 151.3 (µg/m3)
SO2 25.28 (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 09:04:08
PM - 2.5 53.91 (µg/m3)
PM - 10 148 (µg/m3)
SO2 24.67 (µg/m3)
CO 2.17 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 09:03:14
PM - 2.5 222.59 (µg/m3)
PM - 10 383.77 (µg/m3)
SO2 29.68 (µg/m3)
CO 4.44 (mg/m3)
NO2 21.9 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 09:00:13
PM - 2.5 181.3 (µg/m3)
PM - 10 1000 (µg/m3)
SO2 .89 (µg/m3)
CO 1.46 (mg/m3)
NO2 3.43 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 08:52:21
PM - 2.5 59.6 (µg/m3)
PM - 10 103.64 (µg/m3)
SO2 13.69 (µg/m3)
CO 0.48 (mg/m3)
NO2 9.21 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 09:04:20
PM - 2.5 52.85 (µg/m3)
PM - 10 90.15 (µg/m3)
SO2 10.47 (µg/m3)
CO 0.44 (mg/m3)
NO2 4.29 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 09:02:31
PM - 2.5 0 (µg/m3)
PM - 10 50.84 (µg/m3)
SO2 6.72 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.57 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 09:04:27
PM - 2.5 36 (µg/m3)
PM - 10 64 (µg/m3)
SO2 4.6 (µg/m3)
CO 0.68 (mg/m3)
NO2 3.7 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 09:00:04
PM - 2.5 15.28 (µg/m3)
PM - 10 (µg/m3)
SO2 12.36 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 09:04:07
PM - 2.5 41.29 (µg/m3)
PM - 10 56.32 (µg/m3)
SO2 14.99 (µg/m3)
CO ##### (mg/m3)
NO2 13.88 (µg/m3)

Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 09:00:22
PM - 2.5 50.08 (µg/m3)
PM - 10 90.09 (µg/m3)
SO2 0 (µg/m3)
CO 0.61 (mg/m3)
NO2 14.79 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 09:03:43
PM - 2.5 76 (µg/m3)
PM - 10 156 (µg/m3)
SO2 4.9 (µg/m3)
CO 5.19 (mg/m3)
NO2 18.9 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 09:04:16
PM - 2.5 83.07 (µg/m3)
PM - 10 270.54 (µg/m3)
SO2 12.39 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 09:00:05
PM - 2.5 2.29 (µg/m3)
PM - 10 (µg/m3)
SO2 5.43 (µg/m3)
CO ##### (mg/m3)
NO2 .63 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
12-04-2026 09:04:12
PM - 2.5 13 (µg/m3)
PM - 10 22 (µg/m3)
SO2 6.8 (µg/m3)
CO 0.04 (mg/m3)
NO2 2.2 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
12-04-2026 09:04:27
PM - 2.5 20 (µg/m3)
PM - 10 38 (µg/m3)
SO2 13.4 (µg/m3)
CO 0.85 (mg/m3)
NO2 17.3 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 09:04:05
PM - 2.5 33 (µg/m3)
PM - 10 51 (µg/m3)
SO2 7.2 (µg/m3)
CO 0.60 (mg/m3)
NO2 20.8 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 09:04:12
PM - 2.5 27.98 (µg/m3)
PM - 10 69.75 (µg/m3)
SO2 20.23 (µg/m3)
CO 0.69 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 09:00:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.51 (mg/m3)
NO2 74.88 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 09:04:04
PM - 2.5 52.87 (µg/m3)
PM - 10 151.3 (µg/m3)
SO2 25.28 (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 09:04:08
PM - 2.5 53.91 (µg/m3)
PM - 10 148 (µg/m3)
SO2 24.67 (µg/m3)
CO 2.17 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 09:03:14
PM - 2.5 222.59 (µg/m3)
PM - 10 383.77 (µg/m3)
SO2 29.68 (µg/m3)
CO 4.44 (mg/m3)
NO2 21.9 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 09:00:13
PM - 2.5 181.3 (µg/m3)
PM - 10 1000 (µg/m3)
SO2 .89 (µg/m3)
CO 1.46 (mg/m3)
NO2 3.43 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 08:52:21
PM - 2.5 59.6 (µg/m3)
PM - 10 103.64 (µg/m3)
SO2 13.69 (µg/m3)
CO 0.48 (mg/m3)
NO2 9.21 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 09:04:20
PM - 2.5 52.85 (µg/m3)
PM - 10 90.15 (µg/m3)
SO2 10.47 (µg/m3)
CO 0.44 (mg/m3)
NO2 4.29 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 09:02:31
PM - 2.5 0 (µg/m3)
PM - 10 50.84 (µg/m3)
SO2 6.72 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.57 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 09:04:27
PM - 2.5 36 (µg/m3)
PM - 10 64 (µg/m3)
SO2 4.6 (µg/m3)
CO 0.68 (mg/m3)
NO2 3.7 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 09:00:04
PM - 2.5 15.28 (µg/m3)
PM - 10 (µg/m3)
SO2 12.36 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 09:04:07
PM - 2.5 41.29 (µg/m3)
PM - 10 56.32 (µg/m3)
SO2 14.99 (µg/m3)
CO ##### (mg/m3)
NO2 13.88 (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	112.62

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	114.48
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	232.35

1 - 2

CAAQMS Data

1 - 10 of 2,291

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	SECL_DIPKA	SECL_DIPKA	12-APR-2026 09:04	12-APR-2026 09:00	52.85	90.15	10.47	4.29	0.44	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 09:04	12-APR-2026 03:30	27.98	69.75	20.23	-	0.69	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 09:04	12-APR-2026 03:34	53.91	148.00	24.67	-	2.17	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 09:03	12-APR-2026 03:30	28.22	70.47	20.10	-	0.69	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 09:03	12-APR-2026 03:33	53.99	148.98	25.93	-	2.17	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 09:03	12-APR-2026 03:29	28.54	71.05	19.84	-	0.69	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 09:03	12-APR-2026 03:33	54.12	150.04	22.91	-	2.19	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 09:02	12-APR-2026 03:29	28.81	71.57	19.62	-	0.69	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 09:02	12-APR-2026 03:32	54.33	150.82	23.19	-	2.20	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL,Kusmunda	SECL_KUSMUNDA	12-APR-2026 09:02	12-APR-2026 09:00	0.00	50.84	6.72	13.57	0.42	site_1963	Envea India Pvt Ltd

1 - 10 of 2,291

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