Subsidiary wise

Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
26-08-2025 03:00:27
PM - 2.5 5.1 (µg/m3)
PM - 10 8.35 (µg/m3)
SO2 26.31 (µg/m3)
CO 0.22 (mg/m3)
NO2 3.29 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
26-08-2025 03:12:23
PM - 2.5 34 (µg/m3)
PM - 10 59 (µg/m3)
SO2 4.1 (µg/m3)
CO 0.69 (mg/m3)
NO2 20.7 (µg/m3)
Northern Coalfields Limited
CAAQMS_NIGAHI NEAR Guest house
26-08-2025 02:59:43
PM - 2.5 21.45 (µg/m3)
PM - 10 56.44 (µg/m3)
SO2 12.27 (µg/m3)
CO 1.46 (mg/m3)
NO2 15.1 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
26-08-2025 03:12:47
PM - 2.5 9 (µg/m3)
PM - 10 22 (µg/m3)
SO2 17.4 (µg/m3)
CO 0.97 (mg/m3)
NO2 21.1 (µg/m3)
Western Coalfields Limited
M/S Ghonsa Opencast Mine
26-08-2025 03:12:58
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 1.4 (µg/m3)
CO 2.20 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
26-08-2025 03:00:52
PM - 2.5 151.53 (µg/m3)
PM - 10 (µg/m3)
SO2 85.31 (µg/m3)
CO 0.34 (mg/m3)
NO2 318.52 (µg/m3)
Western Coalfields Limited
M/s. Mungoli Nirguda Deep Expansion OC Mine
26-08-2025 03:00:08
PM - 2.5 .06 (µg/m3)
PM - 10 (µg/m3)
SO2 .03 (µg/m3)
CO ##### (mg/m3)
NO2 2.01 (µg/m3)
Western Coalfields Limited
Mahadevpuri UG
26-08-2025 03:12:51
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 0 (µg/m3)
CO ##### (mg/m3)
NO2 3.45 (µg/m3)
Western Coalfields Limited
Mungoli Oc of Wani Area, WCL
26-08-2025 02:59:51
PM - 2.5 32.58 (µg/m3)
PM - 10 82.75 (µg/m3)
SO2 12.81 (µg/m3)
CO (mg/m3)
NO2 31.38 (µg/m3)
Northern Coalfields Limited
NCL_CETI
26-08-2025 03:00:33
PM - 2.5 22.72 (µg/m3)
PM - 10 39.17 (µg/m3)
SO2 0 (µg/m3)
CO 0.64 (mg/m3)
NO2 6.64 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
26-08-2025 02:59:52
PM - 2.5 41.66 (µg/m3)
PM - 10 66.35 (µg/m3)
SO2 7.57 (µg/m3)
CO 0.41 (mg/m3)
NO2 8.46 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
26-08-2025 03:12:31
PM - 2.5 13 (µg/m3)
PM - 10 14 (µg/m3)
SO2 6 (µg/m3)
CO 0.00 (mg/m3)
NO2 6.7 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
26-08-2025 03:12:42
PM - 2.5 20 (µg/m3)
PM - 10 48.1 (µg/m3)
SO2 10.86 (µg/m3)
CO 8.56 (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
26-08-2025 03:00:27
PM - 2.5 5.1 (µg/m3)
PM - 10 8.35 (µg/m3)
SO2 26.31 (µg/m3)
CO 0.22 (mg/m3)
NO2 3.29 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
26-08-2025 03:12:23
PM - 2.5 34 (µg/m3)
PM - 10 59 (µg/m3)
SO2 4.1 (µg/m3)
CO 0.69 (mg/m3)
NO2 20.7 (µg/m3)
Northern Coalfields Limited
CAAQMS_NIGAHI NEAR Guest house
26-08-2025 02:59:43
PM - 2.5 21.45 (µg/m3)
PM - 10 56.44 (µg/m3)
SO2 12.27 (µg/m3)
CO 1.46 (mg/m3)
NO2 15.1 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
26-08-2025 03:12:47
PM - 2.5 9 (µg/m3)
PM - 10 22 (µg/m3)
SO2 17.4 (µg/m3)
CO 0.97 (mg/m3)
NO2 21.1 (µg/m3)
Western Coalfields Limited
M/S Ghonsa Opencast Mine
26-08-2025 03:12:58
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 1.4 (µg/m3)
CO 2.20 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
26-08-2025 03:00:52
PM - 2.5 151.53 (µg/m3)
PM - 10 (µg/m3)
SO2 85.31 (µg/m3)
CO 0.34 (mg/m3)
NO2 318.52 (µg/m3)
Western Coalfields Limited
M/s. Mungoli Nirguda Deep Expansion OC Mine
26-08-2025 03:00:08
PM - 2.5 .06 (µg/m3)
PM - 10 (µg/m3)
SO2 .03 (µg/m3)
CO ##### (mg/m3)
NO2 2.01 (µg/m3)
Western Coalfields Limited
Mahadevpuri UG
26-08-2025 03:12:51
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 0 (µg/m3)
CO ##### (mg/m3)
NO2 3.45 (µg/m3)
Western Coalfields Limited
Mungoli Oc of Wani Area, WCL
26-08-2025 02:59:51
PM - 2.5 32.58 (µg/m3)
PM - 10 82.75 (µg/m3)
SO2 12.81 (µg/m3)
CO (mg/m3)
NO2 31.38 (µg/m3)
Northern Coalfields Limited
NCL_CETI
26-08-2025 03:00:33
PM - 2.5 22.72 (µg/m3)
PM - 10 39.17 (µg/m3)
SO2 0 (µg/m3)
CO 0.64 (mg/m3)
NO2 6.64 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
26-08-2025 02:59:52
PM - 2.5 41.66 (µg/m3)
PM - 10 66.35 (µg/m3)
SO2 7.57 (µg/m3)
CO 0.41 (mg/m3)
NO2 8.46 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
26-08-2025 03:12:31
PM - 2.5 13 (µg/m3)
PM - 10 14 (µg/m3)
SO2 6 (µg/m3)
CO 0.00 (mg/m3)
NO2 6.7 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
26-08-2025 03:12:42
PM - 2.5 20 (µg/m3)
PM - 10 48.1 (µg/m3)
SO2 10.86 (µg/m3)
CO 8.56 (mg/m3)
NO2 0 (µg/m3)

From

Expected format: DD-MON-RR

Subsidiary

Mine

No record found

CAAQMS Data

1 - 10 of 13

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	26-AUG-2025 02:59	26-AUG-2025 02:30	41.66	66.35	7.57	8.46	0.41	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	26-AUG-2025 02:44	26-AUG-2025 02:15	41.62	66.33	7.55	8.44	0.41	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	26-AUG-2025 02:29	26-AUG-2025 02:00	39.55	65.25	6.47	7.58	0.30	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	26-AUG-2025 02:14	26-AUG-2025 01:45	36.49	56.38	7.75	8.60	0.54	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	26-AUG-2025 01:59	26-AUG-2025 01:30	31.14	52.64	5.07	6.46	0.22	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	26-AUG-2025 01:44	26-AUG-2025 01:15	30.77	52.38	4.89	6.31	0.20	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	26-AUG-2025 01:29	26-AUG-2025 01:00	31.42	52.83	5.21	6.57	0.23	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	26-AUG-2025 01:14	26-AUG-2025 00:45	34.16	54.75	6.58	7.66	0.40	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	26-AUG-2025 00:59	26-AUG-2025 00:30	37.88	57.36	8.44	9.15	0.62	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	26-AUG-2025 00:44	26-AUG-2025 00:15	34.47	54.97	6.73	7.79	0.42	site_1931	Envea India Pvt Ltd

1 - 10 of 13

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