Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
23-09-2026 11:01:09
PM - 2.5 30.93 (µg/m3)
PM - 10 25.52 (µg/m3)
SO2 20.62 (µg/m3)
CO 0.56 (mg/m3)
NO2 1.97 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
23-09-2026 11:04:22
PM - 2.5 16.99 (µg/m3)
PM - 10 38.44 (µg/m3)
SO2 11.97 (µg/m3)
CO 1.05 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
AAQMS_NCL_BINA
23-09-2026 10:58:42
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 8.71 (µg/m3)
CO 0.38 (mg/m3)
NO2 12.99 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
23-09-2026 11:00:45
PM - 2.5 16.3 (µg/m3)
PM - 10 26.48 (µg/m3)
SO2 7.44 (µg/m3)
CO 0.24 (mg/m3)
NO2 1.44 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
23-09-2026 11:03:46
PM - 2.5 8 (µg/m3)
PM - 10 15 (µg/m3)
SO2 4.8 (µg/m3)
CO 0.97 (mg/m3)
NO2 5.2 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
23-09-2026 11:03:50
PM - 2.5 7 (µg/m3)
PM - 10 12 (µg/m3)
SO2 5.9 (µg/m3)
CO 0.67 (mg/m3)
NO2 2.3 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
23-09-2026 10:52:13
PM - 2.5 4 (µg/m3)
PM - 10 5 (µg/m3)
SO2 11.2 (µg/m3)
CO 0.24 (mg/m3)
NO2 16.5 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
23-09-2026 10:53:07
PM - 2.5 9 (µg/m3)
PM - 10 18 (µg/m3)
SO2 5.7 (µg/m3)
CO 0.19 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
23-09-2026 11:04:08
PM - 2.5 6.04 (µg/m3)
PM - 10 18.1 (µg/m3)
SO2 0 (µg/m3)
CO 0.77 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/s. Mungoli Nirguda Deep Expansion OC Mine
23-09-2026 11:00:57
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Mahadevpuri UG
23-09-2026 11:04:06
PM - 2.5 16.74 (µg/m3)
PM - 10 27.08 (µg/m3)
SO2 4.52 (µg/m3)
CO 6.04 (mg/m3)
NO2 3.62 (µg/m3)
Western Coalfields Limited
Mathani UG
23-09-2026 11:04:16
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 12.59 (µg/m3)
CO 1.67 (mg/m3)
NO2 1.76 (µg/m3)
Northern Coalfields Limited
NCL_CETI
23-09-2026 10:55:01
PM - 2.5 2449.7 (µg/m3)
PM - 10 4223.63 (µg/m3)
SO2 24.76 (µg/m3)
CO 1.57 (mg/m3)
NO2 47.84 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
23-09-2026 11:00:43
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 0 (µg/m3)
CO 0.57 (mg/m3)
NO2 .94 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
23-09-2026 10:55:58
PM - 2.5 24 (µg/m3)
PM - 10 47.3 (µg/m3)
SO2 12.95 (µg/m3)
CO 0.58 (mg/m3)
NO2 8.06 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
23-09-2026 11:03:00
PM - 2.5 31.93 (µg/m3)
PM - 10 58.1 (µg/m3)
SO2 11.95 (µg/m3)
CO 0.35 (mg/m3)
NO2 4.6 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
23-09-2026 11:04:16
PM - 2.5 41.72 (µg/m3)
PM - 10 48.65 (µg/m3)
SO2 22.17 (µg/m3)
CO 2.39 (mg/m3)
NO2 44.7 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
23-09-2026 11:03:56
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 8.4 (µg/m3)
CO 0.00 (mg/m3)
NO2 4.8 (µg/m3)
Western Coalfields Limited
Silewara UG
23-09-2026 11:04:04
PM - 2.5 0 (µg/m3)
PM - 10 42.13 (µg/m3)
SO2 13.58 (µg/m3)
CO 1.61 (mg/m3)
NO2 27.46 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
23-09-2026 11:00:09
PM - 2.5 3.63 (µg/m3)
PM - 10 (µg/m3)
SO2 9.3 (µg/m3)
CO 0.26 (mg/m3)
NO2 264.64 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
23-09-2026 11:04:11
PM - 2.5 16.52 (µg/m3)
PM - 10 20.2 (µg/m3)
SO2 20.87 (µg/m3)
CO 0.60 (mg/m3)
NO2 5.45 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
23-09-2026 11:01:09
PM - 2.5 30.93 (µg/m3)
PM - 10 25.52 (µg/m3)
SO2 20.62 (µg/m3)
CO 0.56 (mg/m3)
NO2 1.97 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
23-09-2026 11:04:22
PM - 2.5 16.99 (µg/m3)
PM - 10 38.44 (µg/m3)
SO2 11.97 (µg/m3)
CO 1.05 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
AAQMS_NCL_BINA
23-09-2026 10:58:42
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 8.71 (µg/m3)
CO 0.38 (mg/m3)
NO2 12.99 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
23-09-2026 11:00:45
PM - 2.5 16.3 (µg/m3)
PM - 10 26.48 (µg/m3)
SO2 7.44 (µg/m3)
CO 0.24 (mg/m3)
NO2 1.44 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
23-09-2026 11:03:46
PM - 2.5 8 (µg/m3)
PM - 10 15 (µg/m3)
SO2 4.8 (µg/m3)
CO 0.97 (mg/m3)
NO2 5.2 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
23-09-2026 11:03:50
PM - 2.5 7 (µg/m3)
PM - 10 12 (µg/m3)
SO2 5.9 (µg/m3)
CO 0.67 (mg/m3)
NO2 2.3 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
23-09-2026 10:52:13
PM - 2.5 4 (µg/m3)
PM - 10 5 (µg/m3)
SO2 11.2 (µg/m3)
CO 0.24 (mg/m3)
NO2 16.5 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
23-09-2026 10:53:07
PM - 2.5 9 (µg/m3)
PM - 10 18 (µg/m3)
SO2 5.7 (µg/m3)
CO 0.19 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
23-09-2026 11:04:08
PM - 2.5 6.04 (µg/m3)
PM - 10 18.1 (µg/m3)
SO2 0 (µg/m3)
CO 0.77 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/s. Mungoli Nirguda Deep Expansion OC Mine
23-09-2026 11:00:57
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Mahadevpuri UG
23-09-2026 11:04:06
PM - 2.5 16.74 (µg/m3)
PM - 10 27.08 (µg/m3)
SO2 4.52 (µg/m3)
CO 6.04 (mg/m3)
NO2 3.62 (µg/m3)
Western Coalfields Limited
Mathani UG
23-09-2026 11:04:16
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 12.59 (µg/m3)
CO 1.67 (mg/m3)
NO2 1.76 (µg/m3)
Northern Coalfields Limited
NCL_CETI
23-09-2026 10:55:01
PM - 2.5 2449.7 (µg/m3)
PM - 10 4223.63 (µg/m3)
SO2 24.76 (µg/m3)
CO 1.57 (mg/m3)
NO2 47.84 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
23-09-2026 11:00:43
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 0 (µg/m3)
CO 0.57 (mg/m3)
NO2 .94 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
23-09-2026 10:55:58
PM - 2.5 24 (µg/m3)
PM - 10 47.3 (µg/m3)
SO2 12.95 (µg/m3)
CO 0.58 (mg/m3)
NO2 8.06 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
23-09-2026 11:03:00
PM - 2.5 31.93 (µg/m3)
PM - 10 58.1 (µg/m3)
SO2 11.95 (µg/m3)
CO 0.35 (mg/m3)
NO2 4.6 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
23-09-2026 11:04:16
PM - 2.5 41.72 (µg/m3)
PM - 10 48.65 (µg/m3)
SO2 22.17 (µg/m3)
CO 2.39 (mg/m3)
NO2 44.7 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
23-09-2026 11:03:56
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 8.4 (µg/m3)
CO 0.00 (mg/m3)
NO2 4.8 (µg/m3)
Western Coalfields Limited
Silewara UG
23-09-2026 11:04:04
PM - 2.5 0 (µg/m3)
PM - 10 42.13 (µg/m3)
SO2 13.58 (µg/m3)
CO 1.61 (mg/m3)
NO2 27.46 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
23-09-2026 11:00:09
PM - 2.5 3.63 (µg/m3)
PM - 10 (µg/m3)
SO2 9.3 (µg/m3)
CO 0.26 (mg/m3)
NO2 264.64 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
23-09-2026 11:04:11
PM - 2.5 16.52 (µg/m3)
PM - 10 20.2 (µg/m3)
SO2 20.87 (µg/m3)
CO 0.60 (mg/m3)
NO2 5.45 (µg/m3)

From

Expected format: DD-MON-RR

Subsidiary

Mine

No record found

CAAQMS Data

1 - 10 of 1,526

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,Kusmunda	SECL_KUSMUNDA	23-SEP-2026 11:04	23-SEP-2026 11:00	41.72	48.65	22.17	44.70	2.39	site_1963	Envea India Pvt Ltd
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	23-SEP-2026 11:04	23-SEP-2026 05:34	6.04	18.10	0.00	-	0.77	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	23-SEP-2026 11:03	23-SEP-2026 05:33	6.35	17.92	0.00	-	0.80	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	23-SEP-2026 11:03	23-SEP-2026 05:33	6.64	17.64	0.00	-	0.82	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	23-SEP-2026 11:03	23-SEP-2026 11:00	31.93	58.10	11.95	4.60	0.35	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	23-SEP-2026 11:02	23-SEP-2026 05:32	6.94	17.18	0.00	-	0.83	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	23-SEP-2026 11:02	23-SEP-2026 05:32	7.27	16.57	0.00	-	0.83	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	23-SEP-2026 11:01	23-SEP-2026 05:31	7.65	15.86	0.00	-	0.82	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	23-SEP-2026 11:01	23-SEP-2026 05:31	7.93	15.37	0.00	-	0.80	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	23-SEP-2026 11:00	23-SEP-2026 05:30	8.16	15.01	0.00	-	0.76	site_5664	Thermo Fisher Scientific India Private Limited

1 - 10 of 1,526

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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