Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
15-02-2026 00:49:00
PM - 2.5 68.64 (µg/m3)
PM - 10 224.85 (µg/m3)
SO2 39.45 (µg/m3)
CO 0.70 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
15-02-2026 00:47:14
PM - 2.5 36.91 (µg/m3)
PM - 10 122.71 (µg/m3)
SO2 11.33 (µg/m3)
CO 0.71 (mg/m3)
NO2 4.96 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
15-02-2026 00:48:41
PM - 2.5 68.62 (µg/m3)
PM - 10 99.73 (µg/m3)
SO2 27.42 (µg/m3)
CO 4.00 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
15-02-2026 00:45:25
PM - 2.5 41.57 (µg/m3)
PM - 10 87.17 (µg/m3)
SO2 0 (µg/m3)
CO 0.61 (mg/m3)
NO2 8.22 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
15-02-2026 00:48:39
PM - 2.5 17 (µg/m3)
PM - 10 34 (µg/m3)
SO2 3.6 (µg/m3)
CO 0.29 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
15-02-2026 00:45:01
PM - 2.5 34.74 (µg/m3)
PM - 10 (µg/m3)
SO2 159.64 (µg/m3)
CO ##### (mg/m3)
NO2 .63 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
15-02-2026 00:48:48
PM - 2.5 12 (µg/m3)
PM - 10 21 (µg/m3)
SO2 17.4 (µg/m3)
CO 1.04 (mg/m3)
NO2 17.1 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
15-02-2026 00:48:55
PM - 2.5 24 (µg/m3)
PM - 10 38 (µg/m3)
SO2 7.1 (µg/m3)
CO 0.29 (mg/m3)
NO2 26.3 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
15-02-2026 00:48:53
PM - 2.5 48.35 (µg/m3)
PM - 10 191.3 (µg/m3)
SO2 7.72 (µg/m3)
CO 0.45 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
15-02-2026 00:48:53
PM - 2.5 81.03 (µg/m3)
PM - 10 273.18 (µg/m3)
SO2 5.4 (µg/m3)
CO 1.81 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/s. Mungoli Nirguda Deep Expansion OC Mine
15-02-2026 00:45:25
PM - 2.5 1.63 (µg/m3)
PM - 10 (µg/m3)
SO2 2.88 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Mahadevpuri UG
15-02-2026 00:49:07
PM - 2.5 42.86 (µg/m3)
PM - 10 35.59 (µg/m3)
SO2 5.7 (µg/m3)
CO 4.37 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
15-02-2026 00:45:12
PM - 2.5 98.3 (µg/m3)
PM - 10 0 (µg/m3)
SO2 3.92 (µg/m3)
CO 0.00 (mg/m3)
NO2 1.8 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
15-02-2026 00:36:00
PM - 2.5 44.8 (µg/m3)
PM - 10 68.02 (µg/m3)
SO2 12.42 (µg/m3)
CO 0.08 (mg/m3)
NO2 9.95 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
15-02-2026 00:48:08
PM - 2.5 51.67 (µg/m3)
PM - 10 118.35 (µg/m3)
SO2 12.15 (µg/m3)
CO 0.43 (mg/m3)
NO2 2.87 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
15-02-2026 00:45:11
PM - 2.5 39.11 (µg/m3)
PM - 10 87.73 (µg/m3)
SO2 33.83 (µg/m3)
CO 0.86 (mg/m3)
NO2 18.95 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
15-02-2026 00:48:54
PM - 2.5 76 (µg/m3)
PM - 10 135 (µg/m3)
SO2 11 (µg/m3)
CO 2.59 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
15-02-2026 00:48:54
PM - 2.5 76.41 (µg/m3)
PM - 10 85.13 (µg/m3)
SO2 35.07 (µg/m3)
CO ##### (mg/m3)
NO2 .11 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
15-02-2026 00:49:00
PM - 2.5 68.64 (µg/m3)
PM - 10 224.85 (µg/m3)
SO2 39.45 (µg/m3)
CO 0.70 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
15-02-2026 00:47:14
PM - 2.5 36.91 (µg/m3)
PM - 10 122.71 (µg/m3)
SO2 11.33 (µg/m3)
CO 0.71 (mg/m3)
NO2 4.96 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
15-02-2026 00:48:41
PM - 2.5 68.62 (µg/m3)
PM - 10 99.73 (µg/m3)
SO2 27.42 (µg/m3)
CO 4.00 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
15-02-2026 00:45:25
PM - 2.5 41.57 (µg/m3)
PM - 10 87.17 (µg/m3)
SO2 0 (µg/m3)
CO 0.61 (mg/m3)
NO2 8.22 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
15-02-2026 00:48:39
PM - 2.5 17 (µg/m3)
PM - 10 34 (µg/m3)
SO2 3.6 (µg/m3)
CO 0.29 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
15-02-2026 00:45:01
PM - 2.5 34.74 (µg/m3)
PM - 10 (µg/m3)
SO2 159.64 (µg/m3)
CO ##### (mg/m3)
NO2 .63 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
15-02-2026 00:48:48
PM - 2.5 12 (µg/m3)
PM - 10 21 (µg/m3)
SO2 17.4 (µg/m3)
CO 1.04 (mg/m3)
NO2 17.1 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
15-02-2026 00:48:55
PM - 2.5 24 (µg/m3)
PM - 10 38 (µg/m3)
SO2 7.1 (µg/m3)
CO 0.29 (mg/m3)
NO2 26.3 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
15-02-2026 00:48:53
PM - 2.5 48.35 (µg/m3)
PM - 10 191.3 (µg/m3)
SO2 7.72 (µg/m3)
CO 0.45 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
15-02-2026 00:48:53
PM - 2.5 81.03 (µg/m3)
PM - 10 273.18 (µg/m3)
SO2 5.4 (µg/m3)
CO 1.81 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/s. Mungoli Nirguda Deep Expansion OC Mine
15-02-2026 00:45:25
PM - 2.5 1.63 (µg/m3)
PM - 10 (µg/m3)
SO2 2.88 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Mahadevpuri UG
15-02-2026 00:49:07
PM - 2.5 42.86 (µg/m3)
PM - 10 35.59 (µg/m3)
SO2 5.7 (µg/m3)
CO 4.37 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
15-02-2026 00:45:12
PM - 2.5 98.3 (µg/m3)
PM - 10 0 (µg/m3)
SO2 3.92 (µg/m3)
CO 0.00 (mg/m3)
NO2 1.8 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
15-02-2026 00:36:00
PM - 2.5 44.8 (µg/m3)
PM - 10 68.02 (µg/m3)
SO2 12.42 (µg/m3)
CO 0.08 (mg/m3)
NO2 9.95 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
15-02-2026 00:48:08
PM - 2.5 51.67 (µg/m3)
PM - 10 118.35 (µg/m3)
SO2 12.15 (µg/m3)
CO 0.43 (mg/m3)
NO2 2.87 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
15-02-2026 00:45:11
PM - 2.5 39.11 (µg/m3)
PM - 10 87.73 (µg/m3)
SO2 33.83 (µg/m3)
CO 0.86 (mg/m3)
NO2 18.95 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
15-02-2026 00:48:54
PM - 2.5 76 (µg/m3)
PM - 10 135 (µg/m3)
SO2 11 (µg/m3)
CO 2.59 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
15-02-2026 00:48:54
PM - 2.5 76.41 (µg/m3)
PM - 10 85.13 (µg/m3)
SO2 35.07 (µg/m3)
CO ##### (mg/m3)
NO2 .11 (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)
15-FEB-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	98.29

1 - 1

Record Date	Company name	Mine name	Permissible Limit (µg/m3)	Average PM - 10 (µg/m3)
15-FEB-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	327.90
15-FEB-2026	South Eastern Coalfields Limited	SECL_DIPKA	100	118.38

1 - 2

CAAQMS Data

1 - 10 of 107

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	15-FEB-2026 00:48	14-FEB-2026 19:18	81.03	273.18	5.40	-	1.81	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	15-FEB-2026 00:48	14-FEB-2026 19:18	80.54	272.92	4.19	-	1.83	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	15-FEB-2026 00:48	15-FEB-2026 00:45	51.67	118.35	12.15	2.87	0.43	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	15-FEB-2026 00:47	14-FEB-2026 19:17	80.56	274.46	4.75	-	1.84	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	15-FEB-2026 00:47	14-FEB-2026 19:17	80.72	276.02	3.94	-	1.82	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	15-FEB-2026 00:46	14-FEB-2026 19:16	80.66	277.88	3.99	-	1.82	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	15-FEB-2026 00:46	14-FEB-2026 19:16	80.13	279.56	4.55	-	1.83	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	15-FEB-2026 00:45	14-FEB-2026 19:15	79.49	281.53	3.62	-	1.83	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL,Kusmunda	SECL_KUSMUNDA	15-FEB-2026 00:45	15-FEB-2026 00:45	39.11	87.73	33.83	18.95	0.86	site_1963	Envea India Pvt Ltd
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	15-FEB-2026 00:45	14-FEB-2026 19:15	79.09	283.31	4.66	-	1.80	site_5664	Thermo Fisher Scientific India Private Limited

1 - 10 of 107

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