Subsidiary wise

Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
15-08-2025 11:45:40
PM - 2.5 12.1 (µg/m3)
PM - 10 21.1 (µg/m3)
SO2 25.45 (µg/m3)
CO 0.21 (mg/m3)
NO2 4.11 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
15-08-2025 11:59:15
PM - 2.5 5 (µg/m3)
PM - 10 6 (µg/m3)
SO2 3.9 (µg/m3)
CO 0.60 (mg/m3)
NO2 20.7 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
15-08-2025 11:45:36
PM - 2.5 978.65 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO ##### (mg/m3)
NO2 28.17 (µg/m3)
Northern Coalfields Limited
CAAQMS_NIGAHI NEAR Guest house
15-08-2025 11:59:40
PM - 2.5 11.64 (µg/m3)
PM - 10 34.2 (µg/m3)
SO2 11.76 (µg/m3)
CO 1.41 (mg/m3)
NO2 8.72 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
15-08-2025 11:59:54
PM - 2.5 2 (µg/m3)
PM - 10 0 (µg/m3)
SO2 8 (µg/m3)
CO 0.74 (mg/m3)
NO2 25 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
15-08-2025 11:59:28
PM - 2.5 4 (µg/m3)
PM - 10 6 (µg/m3)
SO2 14.5 (µg/m3)
CO 1.10 (mg/m3)
NO2 23.8 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
15-08-2025 11:45:48
PM - 2.5 220.74 (µg/m3)
PM - 10 (µg/m3)
SO2 126.62 (µg/m3)
CO 0.89 (mg/m3)
NO2 320.42 (µg/m3)
Western Coalfields Limited
Mathani UG
15-08-2025 11:59:44
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 .9 (µg/m3)
CO 4.11 (mg/m3)
NO2 .6 (µg/m3)
Western Coalfields Limited
Mungoli Oc of Wani Area, WCL
15-08-2025 11:45:05
PM - 2.5 33.15 (µg/m3)
PM - 10 83.13 (µg/m3)
SO2 13.04 (µg/m3)
CO (mg/m3)
NO2 32.22 (µg/m3)
Northern Coalfields Limited
NCL KAKRI
15-08-2025 11:45:22
PM - 2.5 11.08 (µg/m3)
PM - 10 22.16 (µg/m3)
SO2 0 (µg/m3)
CO 0.46 (mg/m3)
NO2 16.69 (µg/m3)
Northern Coalfields Limited
NCL_CETI
15-08-2025 11:47:10
PM - 2.5 43.78 (µg/m3)
PM - 10 75.49 (µg/m3)
SO2 5.15 (µg/m3)
CO 1.51 (mg/m3)
NO2 23.24 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
15-08-2025 11:59:35
PM - 2.5 37.03 (µg/m3)
PM - 10 63.94 (µg/m3)
SO2 5.16 (µg/m3)
CO 0.17 (mg/m3)
NO2 6.53 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
15-08-2025 11:59:31
PM - 2.5 7 (µg/m3)
PM - 10 7 (µg/m3)
SO2 3.2 (µg/m3)
CO 0.39 (mg/m3)
NO2 15.1 (µg/m3)

Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
15-08-2025 11:45:40
PM - 2.5 12.1 (µg/m3)
PM - 10 21.1 (µg/m3)
SO2 25.45 (µg/m3)
CO 0.21 (mg/m3)
NO2 4.11 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
15-08-2025 11:59:15
PM - 2.5 5 (µg/m3)
PM - 10 6 (µg/m3)
SO2 3.9 (µg/m3)
CO 0.60 (mg/m3)
NO2 20.7 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
15-08-2025 11:45:36
PM - 2.5 978.65 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO ##### (mg/m3)
NO2 28.17 (µg/m3)
Northern Coalfields Limited
CAAQMS_NIGAHI NEAR Guest house
15-08-2025 11:59:40
PM - 2.5 11.64 (µg/m3)
PM - 10 34.2 (µg/m3)
SO2 11.76 (µg/m3)
CO 1.41 (mg/m3)
NO2 8.72 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
15-08-2025 11:59:54
PM - 2.5 2 (µg/m3)
PM - 10 0 (µg/m3)
SO2 8 (µg/m3)
CO 0.74 (mg/m3)
NO2 25 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
15-08-2025 11:59:28
PM - 2.5 4 (µg/m3)
PM - 10 6 (µg/m3)
SO2 14.5 (µg/m3)
CO 1.10 (mg/m3)
NO2 23.8 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
15-08-2025 11:45:48
PM - 2.5 220.74 (µg/m3)
PM - 10 (µg/m3)
SO2 126.62 (µg/m3)
CO 0.89 (mg/m3)
NO2 320.42 (µg/m3)
Western Coalfields Limited
Mathani UG
15-08-2025 11:59:44
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 .9 (µg/m3)
CO 4.11 (mg/m3)
NO2 .6 (µg/m3)
Western Coalfields Limited
Mungoli Oc of Wani Area, WCL
15-08-2025 11:45:05
PM - 2.5 33.15 (µg/m3)
PM - 10 83.13 (µg/m3)
SO2 13.04 (µg/m3)
CO (mg/m3)
NO2 32.22 (µg/m3)
Northern Coalfields Limited
NCL KAKRI
15-08-2025 11:45:22
PM - 2.5 11.08 (µg/m3)
PM - 10 22.16 (µg/m3)
SO2 0 (µg/m3)
CO 0.46 (mg/m3)
NO2 16.69 (µg/m3)
Northern Coalfields Limited
NCL_CETI
15-08-2025 11:47:10
PM - 2.5 43.78 (µg/m3)
PM - 10 75.49 (µg/m3)
SO2 5.15 (µg/m3)
CO 1.51 (mg/m3)
NO2 23.24 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
15-08-2025 11:59:35
PM - 2.5 37.03 (µg/m3)
PM - 10 63.94 (µg/m3)
SO2 5.16 (µg/m3)
CO 0.17 (mg/m3)
NO2 6.53 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
15-08-2025 11:59:31
PM - 2.5 7 (µg/m3)
PM - 10 7 (µg/m3)
SO2 3.2 (µg/m3)
CO 0.39 (mg/m3)
NO2 15.1 (µg/m3)

From

Expected format: DD-MON-RR

Subsidiary

Mine

No record found

CAAQMS Data

1 - 10 of 94

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	15-AUG-2025 11:59	15-AUG-2025 11:30	37.03	63.94	5.16	6.53	0.17	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	15-AUG-2025 11:44	15-AUG-2025 11:15	43.68	67.41	8.63	9.30	0.51	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	Gevra ,Chattisgarh	SECL GEVRA	15-AUG-2025 11:44	15-AUG-2025 11:30	36.89	62.35	5.24	3.37	0.36	site_	Envea India Pvt Ltd
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	15-AUG-2025 11:29	15-AUG-2025 11:00	44.50	67.83	9.05	9.64	0.56	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	Gevra ,Chattisgarh	SECL GEVRA	15-AUG-2025 11:29	15-AUG-2025 11:15	36.89	62.35	5.24	3.37	0.36	site_	Envea India Pvt Ltd
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	15-AUG-2025 11:14	15-AUG-2025 10:45	37.80	64.34	5.56	6.85	0.21	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	Gevra ,Chattisgarh	SECL GEVRA	15-AUG-2025 11:14	15-AUG-2025 11:00	36.89	62.35	5.24	3.37	0.36	site_	Envea India Pvt Ltd
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	15-AUG-2025 10:59	15-AUG-2025 10:30	39.69	65.33	6.55	7.64	0.30	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	Gevra ,Chattisgarh	SECL GEVRA	15-AUG-2025 10:59	15-AUG-2025 10:45	36.89	62.35	5.24	3.37	0.36	site_	Envea India Pvt Ltd
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	15-AUG-2025 10:44	15-AUG-2025 10:15	44.46	67.81	9.03	9.62	0.55	site_1931	Envea India Pvt Ltd

1 - 10 of 94

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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