Subsidiary wise

Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 11:00:23
PM - 2.5 31.28 (µg/m3)
PM - 10 106.31 (µg/m3)
SO2 0 (µg/m3)
CO 0.34 (mg/m3)
NO2 10.89 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 11:03:45
PM - 2.5 47 (µg/m3)
PM - 10 265 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.79 (mg/m3)
NO2 19.9 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 11:04:19
PM - 2.5 66.84 (µg/m3)
PM - 10 166.53 (µg/m3)
SO2 9.03 (µg/m3)
CO 1.00 (mg/m3)
NO2 11.78 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 11:00:40
PM - 2.5 2.27 (µg/m3)
PM - 10 (µg/m3)
SO2 5.34 (µg/m3)
CO ##### (mg/m3)
NO2 .56 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
12-04-2026 11:03:31
PM - 2.5 66 (µg/m3)
PM - 10 115 (µg/m3)
SO2 6.7 (µg/m3)
CO 0.29 (mg/m3)
NO2 2.2 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
12-04-2026 11:04:24
PM - 2.5 19 (µg/m3)
PM - 10 38 (µg/m3)
SO2 10.8 (µg/m3)
CO 1.59 (mg/m3)
NO2 17.3 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 11:04:08
PM - 2.5 33 (µg/m3)
PM - 10 49 (µg/m3)
SO2 7.8 (µg/m3)
CO 0.42 (mg/m3)
NO2 20 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 11:00:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 1.79 (mg/m3)
NO2 130.52 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 11:04:04
PM - 2.5 36.01 (µg/m3)
PM - 10 81.68 (µg/m3)
SO2 6.46 (µg/m3)
CO 0.52 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
12-04-2026 11:03:48
PM - 2.5 32.14 (µg/m3)
PM - 10 95.51 (µg/m3)
SO2 25.06 (µg/m3)
CO 1.97 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
12-04-2026 11:04:14
PM - 2.5 28.71 (µg/m3)
PM - 10 51.44 (µg/m3)
SO2 10.58 (µg/m3)
CO 0.26 (mg/m3)
NO2 1.88 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 11:03:15
PM - 2.5 66.65 (µg/m3)
PM - 10 114.92 (µg/m3)
SO2 18.86 (µg/m3)
CO 3.29 (mg/m3)
NO2 19.56 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 11:00:41
PM - 2.5 48.8 (µg/m3)
PM - 10 162.7 (µg/m3)
SO2 .77 (µg/m3)
CO 0.63 (mg/m3)
NO2 1.54 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 10:52:00
PM - 2.5 44.3 (µg/m3)
PM - 10 63.5 (µg/m3)
SO2 13.62 (µg/m3)
CO 0.28 (mg/m3)
NO2 5.69 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 11:04:20
PM - 2.5 49.45 (µg/m3)
PM - 10 84.93 (µg/m3)
SO2 9.55 (µg/m3)
CO 0.29 (mg/m3)
NO2 3.07 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 11:02:31
PM - 2.5 0 (µg/m3)
PM - 10 74.97 (µg/m3)
SO2 6.76 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.74 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 11:03:57
PM - 2.5 42 (µg/m3)
PM - 10 75 (µg/m3)
SO2 5.1 (µg/m3)
CO 0.38 (mg/m3)
NO2 3.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 11:00:38
PM - 2.5 22.87 (µg/m3)
PM - 10 (µg/m3)
SO2 19.78 (µg/m3)
CO 1.01 (mg/m3)
NO2 270.98 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 11:04:09
PM - 2.5 73.79 (µg/m3)
PM - 10 125.22 (µg/m3)
SO2 31.47 (µg/m3)
CO ##### (mg/m3)
NO2 56.4 (µg/m3)

Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 11:00:23
PM - 2.5 31.28 (µg/m3)
PM - 10 106.31 (µg/m3)
SO2 0 (µg/m3)
CO 0.34 (mg/m3)
NO2 10.89 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 11:03:45
PM - 2.5 47 (µg/m3)
PM - 10 265 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.79 (mg/m3)
NO2 19.9 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 11:04:19
PM - 2.5 66.84 (µg/m3)
PM - 10 166.53 (µg/m3)
SO2 9.03 (µg/m3)
CO 1.00 (mg/m3)
NO2 11.78 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 11:00:40
PM - 2.5 2.27 (µg/m3)
PM - 10 (µg/m3)
SO2 5.34 (µg/m3)
CO ##### (mg/m3)
NO2 .56 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
12-04-2026 11:03:31
PM - 2.5 66 (µg/m3)
PM - 10 115 (µg/m3)
SO2 6.7 (µg/m3)
CO 0.29 (mg/m3)
NO2 2.2 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
12-04-2026 11:04:24
PM - 2.5 19 (µg/m3)
PM - 10 38 (µg/m3)
SO2 10.8 (µg/m3)
CO 1.59 (mg/m3)
NO2 17.3 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 11:04:08
PM - 2.5 33 (µg/m3)
PM - 10 49 (µg/m3)
SO2 7.8 (µg/m3)
CO 0.42 (mg/m3)
NO2 20 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 11:00:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 1.79 (mg/m3)
NO2 130.52 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 11:04:04
PM - 2.5 36.01 (µg/m3)
PM - 10 81.68 (µg/m3)
SO2 6.46 (µg/m3)
CO 0.52 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
12-04-2026 11:03:48
PM - 2.5 32.14 (µg/m3)
PM - 10 95.51 (µg/m3)
SO2 25.06 (µg/m3)
CO 1.97 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
12-04-2026 11:04:14
PM - 2.5 28.71 (µg/m3)
PM - 10 51.44 (µg/m3)
SO2 10.58 (µg/m3)
CO 0.26 (mg/m3)
NO2 1.88 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 11:03:15
PM - 2.5 66.65 (µg/m3)
PM - 10 114.92 (µg/m3)
SO2 18.86 (µg/m3)
CO 3.29 (mg/m3)
NO2 19.56 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 11:00:41
PM - 2.5 48.8 (µg/m3)
PM - 10 162.7 (µg/m3)
SO2 .77 (µg/m3)
CO 0.63 (mg/m3)
NO2 1.54 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 10:52:00
PM - 2.5 44.3 (µg/m3)
PM - 10 63.5 (µg/m3)
SO2 13.62 (µg/m3)
CO 0.28 (mg/m3)
NO2 5.69 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 11:04:20
PM - 2.5 49.45 (µg/m3)
PM - 10 84.93 (µg/m3)
SO2 9.55 (µg/m3)
CO 0.29 (mg/m3)
NO2 3.07 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 11:02:31
PM - 2.5 0 (µg/m3)
PM - 10 74.97 (µg/m3)
SO2 6.76 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.74 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 11:03:57
PM - 2.5 42 (µg/m3)
PM - 10 75 (µg/m3)
SO2 5.1 (µg/m3)
CO 0.38 (mg/m3)
NO2 3.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 11:00:38
PM - 2.5 22.87 (µg/m3)
PM - 10 (µg/m3)
SO2 19.78 (µg/m3)
CO 1.01 (mg/m3)
NO2 270.98 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 11:04:09
PM - 2.5 73.79 (µg/m3)
PM - 10 125.22 (µg/m3)
SO2 31.47 (µg/m3)
CO ##### (mg/m3)
NO2 56.4 (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)
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	100.04

1 - 1

Record Date	Company name	Mine name	Permissible Limit (µg/m3)	Average PM - 10 (µg/m3)
12-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	110.46
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	217.08

1 - 2

CAAQMS Data

1 - 10 of 2,638

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	12-APR-2026 11:04	12-APR-2026 11:00	49.45	84.93	9.55	3.07	0.29	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	12-APR-2026 11:03	12-APR-2026 05:33	32.14	95.51	25.06	-	1.97	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	12-APR-2026 11:03	12-APR-2026 05:33	32.24	96.15	24.63	-	1.97	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	12-APR-2026 11:02	12-APR-2026 05:32	32.17	96.59	27.44	-	1.99	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL,Kusmunda	SECL_KUSMUNDA	12-APR-2026 11:02	12-APR-2026 11:00	0.00	74.97	6.76	13.74	0.42	site_1963	Envea India Pvt Ltd
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	12-APR-2026 11:02	12-APR-2026 05:32	32.33	97.03	24.93	-	1.96	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	12-APR-2026 11:01	12-APR-2026 05:31	32.65	97.62	25.24	-	1.97	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	12-APR-2026 11:00	12-APR-2026 05:30	32.94	98.52	26.07	-	1.98	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Bilaspur, CHHATTISGARHr	South Eastern Coalfields Limited - AQMS_H_Q	12-APR-2026 11:00	12-APR-2026 05:30	22.87	-	19.78	270.98	1.01	site_5592	Swan Environ
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	12-APR-2026 10:59	12-APR-2026 05:29	33.30	109.68	23.80	-	1.91	site_5664	Thermo Fisher Scientific India Private Limited

1 - 10 of 2,638

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