Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
21-09-2026 10:16:07
PM - 2.5 31.26 (µg/m3)
PM - 10 27.41 (µg/m3)
SO2 12.18 (µg/m3)
CO 0.57 (mg/m3)
NO2 1.99 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
21-09-2026 10:18:44
PM - 2.5 11 (µg/m3)
PM - 10 8.2 (µg/m3)
SO2 12.11 (µg/m3)
CO 1.10 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
AAQMS_NCL_BINA
21-09-2026 10:13:42
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 13.86 (µg/m3)
CO 0.60 (mg/m3)
NO2 9.23 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
21-09-2026 10:14:57
PM - 2.5 15.87 (µg/m3)
PM - 10 21.72 (µg/m3)
SO2 5.43 (µg/m3)
CO 0.18 (mg/m3)
NO2 3.7 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
21-09-2026 10:18:56
PM - 2.5 14 (µg/m3)
PM - 10 27 (µg/m3)
SO2 4.7 (µg/m3)
CO 1.10 (mg/m3)
NO2 45 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
21-09-2026 10:15:21
PM - 2.5 2.24 (µg/m3)
PM - 10 (µg/m3)
SO2 5.19 (µg/m3)
CO ##### (mg/m3)
NO2 .19 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
21-09-2026 10:18:53
PM - 2.5 2 (µg/m3)
PM - 10 1 (µg/m3)
SO2 5.6 (µg/m3)
CO 0.75 (mg/m3)
NO2 2.3 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
21-09-2026 10:18:36
PM - 2.5 12 (µg/m3)
PM - 10 23 (µg/m3)
SO2 7.2 (µg/m3)
CO 0.28 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
M/S Ghonsa Opencast Mine
21-09-2026 10:18:56
PM - 2.5 14.31 (µg/m3)
PM - 10 50.58 (µg/m3)
SO2 16.09 (µg/m3)
CO 1.42 (mg/m3)
NO2 1.72 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
21-09-2026 10:18:39
PM - 2.5 15.68 (µg/m3)
PM - 10 47.09 (µg/m3)
SO2 6.39 (µg/m3)
CO 0.18 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/s. Mungoli Nirguda Deep Expansion OC Mine
21-09-2026 10:15:54
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO ##### (mg/m3)
NO2 .83 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
21-09-2026 10:18:47
PM - 2.5 31.26 (µg/m3)
PM - 10 57.43 (µg/m3)
SO2 11.77 (µg/m3)
CO 0.32 (mg/m3)
NO2 4.36 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
21-09-2026 10:04:10
PM - 2.5 820.9 (µg/m3)
PM - 10 64.92 (µg/m3)
SO2 28.89 (µg/m3)
CO 2.16 (mg/m3)
NO2 43.44 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
21-09-2026 10:18:27
PM - 2.5 13 (µg/m3)
PM - 10 22 (µg/m3)
SO2 9.9 (µg/m3)
CO 0.14 (mg/m3)
NO2 3.8 (µg/m3)
Western Coalfields Limited
Silewara UG
21-09-2026 10:18:49
PM - 2.5 0 (µg/m3)
PM - 10 41.15 (µg/m3)
SO2 13.82 (µg/m3)
CO 1.69 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
21-09-2026 10:15:15
PM - 2.5 4.14 (µg/m3)
PM - 10 (µg/m3)
SO2 23.36 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
21-09-2026 10:18:35
PM - 2.5 16.01 (µg/m3)
PM - 10 50.09 (µg/m3)
SO2 19.28 (µg/m3)
CO 0.72 (mg/m3)
NO2 6.36 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
21-09-2026 10:16:07
PM - 2.5 31.26 (µg/m3)
PM - 10 27.41 (µg/m3)
SO2 12.18 (µg/m3)
CO 0.57 (mg/m3)
NO2 1.99 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
21-09-2026 10:18:44
PM - 2.5 11 (µg/m3)
PM - 10 8.2 (µg/m3)
SO2 12.11 (µg/m3)
CO 1.10 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
AAQMS_NCL_BINA
21-09-2026 10:13:42
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 13.86 (µg/m3)
CO 0.60 (mg/m3)
NO2 9.23 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
21-09-2026 10:14:57
PM - 2.5 15.87 (µg/m3)
PM - 10 21.72 (µg/m3)
SO2 5.43 (µg/m3)
CO 0.18 (mg/m3)
NO2 3.7 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
21-09-2026 10:18:56
PM - 2.5 14 (µg/m3)
PM - 10 27 (µg/m3)
SO2 4.7 (µg/m3)
CO 1.10 (mg/m3)
NO2 45 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
21-09-2026 10:15:21
PM - 2.5 2.24 (µg/m3)
PM - 10 (µg/m3)
SO2 5.19 (µg/m3)
CO ##### (mg/m3)
NO2 .19 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
21-09-2026 10:18:53
PM - 2.5 2 (µg/m3)
PM - 10 1 (µg/m3)
SO2 5.6 (µg/m3)
CO 0.75 (mg/m3)
NO2 2.3 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
21-09-2026 10:18:36
PM - 2.5 12 (µg/m3)
PM - 10 23 (µg/m3)
SO2 7.2 (µg/m3)
CO 0.28 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
M/S Ghonsa Opencast Mine
21-09-2026 10:18:56
PM - 2.5 14.31 (µg/m3)
PM - 10 50.58 (µg/m3)
SO2 16.09 (µg/m3)
CO 1.42 (mg/m3)
NO2 1.72 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
21-09-2026 10:18:39
PM - 2.5 15.68 (µg/m3)
PM - 10 47.09 (µg/m3)
SO2 6.39 (µg/m3)
CO 0.18 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/s. Mungoli Nirguda Deep Expansion OC Mine
21-09-2026 10:15:54
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO ##### (mg/m3)
NO2 .83 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
21-09-2026 10:18:47
PM - 2.5 31.26 (µg/m3)
PM - 10 57.43 (µg/m3)
SO2 11.77 (µg/m3)
CO 0.32 (mg/m3)
NO2 4.36 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
21-09-2026 10:04:10
PM - 2.5 820.9 (µg/m3)
PM - 10 64.92 (µg/m3)
SO2 28.89 (µg/m3)
CO 2.16 (mg/m3)
NO2 43.44 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
21-09-2026 10:18:27
PM - 2.5 13 (µg/m3)
PM - 10 22 (µg/m3)
SO2 9.9 (µg/m3)
CO 0.14 (mg/m3)
NO2 3.8 (µg/m3)
Western Coalfields Limited
Silewara UG
21-09-2026 10:18:49
PM - 2.5 0 (µg/m3)
PM - 10 41.15 (µg/m3)
SO2 13.82 (µg/m3)
CO 1.69 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
21-09-2026 10:15:15
PM - 2.5 4.14 (µg/m3)
PM - 10 (µg/m3)
SO2 23.36 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
21-09-2026 10:18:35
PM - 2.5 16.01 (µg/m3)
PM - 10 50.09 (µg/m3)
SO2 19.28 (µg/m3)
CO 0.72 (mg/m3)
NO2 6.36 (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)
21-SEP-2026	South Eastern Coalfields Limited	SECL_KUSMUNDA	60	172.70

1 - 1

No record found

CAAQMS Data

1 - 10 of 897

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	21-SEP-2026 10:18	21-SEP-2026 10:15	31.26	57.43	11.77	4.36	0.32	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	Bilaspur, CHHATTISGARHr	South Eastern Coalfields Limited - AQMS_H_Q	21-SEP-2026 10:15	21-SEP-2026 04:44	4.14	-	23.36	0.00	0.00	site_5592	Swan Environ
South Eastern Coalfields Limited	SECL,Kusmunda	SECL_KUSMUNDA	21-SEP-2026 10:04	21-SEP-2026 10:00	820.90	64.92	28.89	43.44	2.16	site_1963	Envea India Pvt Ltd
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	21-SEP-2026 10:03	21-SEP-2026 10:00	34.66	60.81	12.69	5.58	0.47	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	Bilaspur, CHHATTISGARHr	South Eastern Coalfields Limited - AQMS_H_Q	21-SEP-2026 10:00	21-SEP-2026 04:29	86.39	-	0.00	3.82	47.24	site_5592	Swan Environ
South Eastern Coalfields Limited	SECL,Kusmunda	SECL_KUSMUNDA	21-SEP-2026 09:49	21-SEP-2026 09:45	1,597.17	64.92	29.30	39.92	2.16	site_1963	Envea India Pvt Ltd
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	21-SEP-2026 09:48	21-SEP-2026 09:45	28.54	54.73	11.04	3.38	0.19	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	Bilaspur, CHHATTISGARHr	South Eastern Coalfields Limited - AQMS_H_Q	21-SEP-2026 09:45	21-SEP-2026 04:14	3.34	-	14.66	128.80	0.90	site_5592	Swan Environ
South Eastern Coalfields Limited	SECL,Kusmunda	SECL_KUSMUNDA	21-SEP-2026 09:34	21-SEP-2026 09:30	2,967.16	64.92	24.39	13.63	2.16	site_1963	Envea India Pvt Ltd
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	21-SEP-2026 09:33	21-SEP-2026 09:30	34.08	60.24	12.53	5.38	0.44	site_1931	Envea India Pvt Ltd

1 - 10 of 897

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