Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
05-06-2026 19:32:32
PM - 2.5 7.75 (µg/m3)
PM - 10 49.63 (µg/m3)
SO2 6.79 (µg/m3)
CO 1.10 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
05-06-2026 19:32:29
PM - 2.5 17.51 (µg/m3)
PM - 10 21.65 (µg/m3)
SO2 27.25 (µg/m3)
CO 1.02 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
05-06-2026 19:30:31
PM - 2.5 15.37 (µg/m3)
PM - 10 72.58 (µg/m3)
SO2 37.75 (µg/m3)
CO 0.00 (mg/m3)
NO2 10.48 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
05-06-2026 19:32:22
PM - 2.5 24 (µg/m3)
PM - 10 48 (µg/m3)
SO2 5.4 (µg/m3)
CO 0.37 (mg/m3)
NO2 13.1 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
05-06-2026 19:30:34
PM - 2.5 .21 (µg/m3)
PM - 10 (µg/m3)
SO2 41.78 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
05-06-2026 19:32:35
PM - 2.5 16 (µg/m3)
PM - 10 27 (µg/m3)
SO2 4.5 (µg/m3)
CO 0.37 (mg/m3)
NO2 2.1 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
05-06-2026 19:32:16
PM - 2.5 21 (µg/m3)
PM - 10 40 (µg/m3)
SO2 13.8 (µg/m3)
CO 0.18 (mg/m3)
NO2 17.1 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
05-06-2026 19:32:31
PM - 2.5 36 (µg/m3)
PM - 10 54 (µg/m3)
SO2 8.4 (µg/m3)
CO 0.27 (mg/m3)
NO2 7.6 (µg/m3)
Western Coalfields Limited
M/S Ghonsa Opencast Mine
05-06-2026 19:32:46
PM - 2.5 7.45 (µg/m3)
PM - 10 62.75 (µg/m3)
SO2 7.25 (µg/m3)
CO 0.77 (mg/m3)
NO2 2.44 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
05-06-2026 19:30:50
PM - 2.5 .3 (µg/m3)
PM - 10 (µg/m3)
SO2 .15 (µg/m3)
CO 0.13 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
05-06-2026 19:32:20
PM - 2.5 29.32 (µg/m3)
PM - 10 227.9 (µg/m3)
SO2 0 (µg/m3)
CO 0.91 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
05-06-2026 19:32:21
PM - 2.5 30.36 (µg/m3)
PM - 10 33.62 (µg/m3)
SO2 24.45 (µg/m3)
CO 0.91 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
05-06-2026 19:32:24
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 8.33 (µg/m3)
CO 1.11 (mg/m3)
NO2 2.84 (µg/m3)
Northern Coalfields Limited
NCL_CETI
05-06-2026 19:19:03
PM - 2.5 87.84 (µg/m3)
PM - 10 151.44 (µg/m3)
SO2 7.25 (µg/m3)
CO 1.43 (mg/m3)
NO2 42.6 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
05-06-2026 19:30:21
PM - 2.5 14.8 (µg/m3)
PM - 10 53.1 (µg/m3)
SO2 0 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
05-06-2026 19:23:20
PM - 2.5 39.9 (µg/m3)
PM - 10 65.12 (µg/m3)
SO2 11.26 (µg/m3)
CO 0.20 (mg/m3)
NO2 4.95 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
05-06-2026 19:31:08
PM - 2.5 32.69 (µg/m3)
PM - 10 79.23 (µg/m3)
SO2 8.08 (µg/m3)
CO 0.33 (mg/m3)
NO2 1.44 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
05-06-2026 19:32:15
PM - 2.5 32.79 (µg/m3)
PM - 10 167.35 (µg/m3)
SO2 0 (µg/m3)
CO 0.97 (mg/m3)
NO2 30.12 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
05-06-2026 19:32:28
PM - 2.5 26 (µg/m3)
PM - 10 46 (µg/m3)
SO2 12.7 (µg/m3)
CO 0.49 (mg/m3)
NO2 16.3 (µg/m3)
Western Coalfields Limited
Silewara UG
05-06-2026 19:32:42
PM - 2.5 0 (µg/m3)
PM - 10 26.19 (µg/m3)
SO2 5.89 (µg/m3)
CO 1.04 (mg/m3)
NO2 .95 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
05-06-2026 19:30:58
PM - 2.5 20.93 (µg/m3)
PM - 10 (µg/m3)
SO2 17.56 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Urdhan OC
05-06-2026 19:32:39
PM - 2.5 0 (µg/m3)
PM - 10 15.63 (µg/m3)
SO2 16.43 (µg/m3)
CO 0.76 (mg/m3)
NO2 1.97 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
05-06-2026 19:32:27
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 8.19 (µg/m3)
CO ##### (mg/m3)
NO2 1.19 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
05-06-2026 19:32:32
PM - 2.5 7.75 (µg/m3)
PM - 10 49.63 (µg/m3)
SO2 6.79 (µg/m3)
CO 1.10 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
05-06-2026 19:32:29
PM - 2.5 17.51 (µg/m3)
PM - 10 21.65 (µg/m3)
SO2 27.25 (µg/m3)
CO 1.02 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
05-06-2026 19:30:31
PM - 2.5 15.37 (µg/m3)
PM - 10 72.58 (µg/m3)
SO2 37.75 (µg/m3)
CO 0.00 (mg/m3)
NO2 10.48 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
05-06-2026 19:32:22
PM - 2.5 24 (µg/m3)
PM - 10 48 (µg/m3)
SO2 5.4 (µg/m3)
CO 0.37 (mg/m3)
NO2 13.1 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
05-06-2026 19:30:34
PM - 2.5 .21 (µg/m3)
PM - 10 (µg/m3)
SO2 41.78 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
05-06-2026 19:32:35
PM - 2.5 16 (µg/m3)
PM - 10 27 (µg/m3)
SO2 4.5 (µg/m3)
CO 0.37 (mg/m3)
NO2 2.1 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
05-06-2026 19:32:16
PM - 2.5 21 (µg/m3)
PM - 10 40 (µg/m3)
SO2 13.8 (µg/m3)
CO 0.18 (mg/m3)
NO2 17.1 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
05-06-2026 19:32:31
PM - 2.5 36 (µg/m3)
PM - 10 54 (µg/m3)
SO2 8.4 (µg/m3)
CO 0.27 (mg/m3)
NO2 7.6 (µg/m3)
Western Coalfields Limited
M/S Ghonsa Opencast Mine
05-06-2026 19:32:46
PM - 2.5 7.45 (µg/m3)
PM - 10 62.75 (µg/m3)
SO2 7.25 (µg/m3)
CO 0.77 (mg/m3)
NO2 2.44 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
05-06-2026 19:30:50
PM - 2.5 .3 (µg/m3)
PM - 10 (µg/m3)
SO2 .15 (µg/m3)
CO 0.13 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
05-06-2026 19:32:20
PM - 2.5 29.32 (µg/m3)
PM - 10 227.9 (µg/m3)
SO2 0 (µg/m3)
CO 0.91 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
05-06-2026 19:32:21
PM - 2.5 30.36 (µg/m3)
PM - 10 33.62 (µg/m3)
SO2 24.45 (µg/m3)
CO 0.91 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
05-06-2026 19:32:24
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 8.33 (µg/m3)
CO 1.11 (mg/m3)
NO2 2.84 (µg/m3)
Northern Coalfields Limited
NCL_CETI
05-06-2026 19:19:03
PM - 2.5 87.84 (µg/m3)
PM - 10 151.44 (µg/m3)
SO2 7.25 (µg/m3)
CO 1.43 (mg/m3)
NO2 42.6 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
05-06-2026 19:30:21
PM - 2.5 14.8 (µg/m3)
PM - 10 53.1 (µg/m3)
SO2 0 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
05-06-2026 19:23:20
PM - 2.5 39.9 (µg/m3)
PM - 10 65.12 (µg/m3)
SO2 11.26 (µg/m3)
CO 0.20 (mg/m3)
NO2 4.95 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
05-06-2026 19:31:08
PM - 2.5 32.69 (µg/m3)
PM - 10 79.23 (µg/m3)
SO2 8.08 (µg/m3)
CO 0.33 (mg/m3)
NO2 1.44 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
05-06-2026 19:32:15
PM - 2.5 32.79 (µg/m3)
PM - 10 167.35 (µg/m3)
SO2 0 (µg/m3)
CO 0.97 (mg/m3)
NO2 30.12 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
05-06-2026 19:32:28
PM - 2.5 26 (µg/m3)
PM - 10 46 (µg/m3)
SO2 12.7 (µg/m3)
CO 0.49 (mg/m3)
NO2 16.3 (µg/m3)
Western Coalfields Limited
Silewara UG
05-06-2026 19:32:42
PM - 2.5 0 (µg/m3)
PM - 10 26.19 (µg/m3)
SO2 5.89 (µg/m3)
CO 1.04 (mg/m3)
NO2 .95 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
05-06-2026 19:30:58
PM - 2.5 20.93 (µg/m3)
PM - 10 (µg/m3)
SO2 17.56 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Urdhan OC
05-06-2026 19:32:39
PM - 2.5 0 (µg/m3)
PM - 10 15.63 (µg/m3)
SO2 16.43 (µg/m3)
CO 0.76 (mg/m3)
NO2 1.97 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
05-06-2026 19:32:27
PM - 2.5 0 (µg/m3)
PM - 10 0 (µg/m3)
SO2 8.19 (µg/m3)
CO ##### (mg/m3)
NO2 1.19 (µg/m3)

From

Expected format: DD-MON-RR

Subsidiary

Mine

No record found

Record Date	Company name	Mine name	Permissible Limit (µg/m3)	Average PM - 10 (µg/m3)
05-JUN-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	104.61
05-JUN-2026	South Eastern Coalfields Limited	SECL_KUSMUNDA	100	154.07

1 - 2

CAAQMS Data

1 - 10 of 2,819

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	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	05-JUN-2026 19:32	05-JUN-2026 14:02	30.36	33.62	24.45	-	0.91	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL,Kusmunda	SECL_KUSMUNDA	05-JUN-2026 19:32	05-JUN-2026 19:30	32.79	167.35	0.00	30.12	0.97	site_1963	Envea India Pvt Ltd
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	05-JUN-2026 19:31	05-JUN-2026 14:01	31.26	33.33	23.86	-	0.90	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	05-JUN-2026 19:31	05-JUN-2026 14:01	32.03	32.93	24.60	-	0.89	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	05-JUN-2026 19:31	05-JUN-2026 19:30	32.69	79.23	8.08	1.44	0.33	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	Bilaspur, CHHATTISGARHr	South Eastern Coalfields Limited - AQMS_H_Q	05-JUN-2026 19:30	05-JUN-2026 13:59	20.93	-	17.56	0.00	0.00	site_5592	Swan Environ
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	05-JUN-2026 19:30	05-JUN-2026 14:00	32.65	32.34	24.22	-	0.91	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	05-JUN-2026 19:30	05-JUN-2026 14:00	33.03	31.77	22.72	-	0.96	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	05-JUN-2026 19:29	05-JUN-2026 13:59	33.22	30.89	25.06	-	0.93	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	05-JUN-2026 19:29	05-JUN-2026 13:59	33.43	30.09	21.12	-	0.96	site_5664	Thermo Fisher Scientific India Private Limited

1 - 10 of 2,819

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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