Subsidiary wise

Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 11:30:09
PM - 2.5 31.28 (µg/m3)
PM - 10 84.44 (µg/m3)
SO2 0 (µg/m3)
CO 0.28 (mg/m3)
NO2 8.83 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 11:33:01
PM - 2.5 47 (µg/m3)
PM - 10 93 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.56 (mg/m3)
NO2 19.6 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 11:33:05
PM - 2.5 68.57 (µg/m3)
PM - 10 148.22 (µg/m3)
SO2 11.09 (µg/m3)
CO 1.00 (mg/m3)
NO2 19.71 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 11:30:18
PM - 2.5 2.27 (µg/m3)
PM - 10 (µg/m3)
SO2 5.35 (µg/m3)
CO ##### (mg/m3)
NO2 .98 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
12-04-2026 11:32:37
PM - 2.5 33 (µg/m3)
PM - 10 56 (µg/m3)
SO2 6.5 (µg/m3)
CO 0.18 (mg/m3)
NO2 2.2 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
12-04-2026 11:32:55
PM - 2.5 19 (µg/m3)
PM - 10 38 (µg/m3)
SO2 11.3 (µg/m3)
CO 1.50 (mg/m3)
NO2 17.3 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 11:33:08
PM - 2.5 33 (µg/m3)
PM - 10 49 (µg/m3)
SO2 7.7 (µg/m3)
CO 0.37 (mg/m3)
NO2 20.2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 11:30:51
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 11:33:05
PM - 2.5 41.69 (µg/m3)
PM - 10 73.75 (µg/m3)
SO2 2.16 (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 11:32:57
PM - 2.5 33.44 (µg/m3)
PM - 10 108.97 (µg/m3)
SO2 25.37 (µg/m3)
CO 1.80 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
12-04-2026 11:32:43
PM - 2.5 45.04 (µg/m3)
PM - 10 79.32 (µg/m3)
SO2 12.12 (µg/m3)
CO 0.22 (mg/m3)
NO2 1.81 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 11:18:15
PM - 2.5 66.65 (µg/m3)
PM - 10 114.92 (µg/m3)
SO2 26.65 (µg/m3)
CO 2.70 (mg/m3)
NO2 19.54 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 11:30:19
PM - 2.5 50.1 (µg/m3)
PM - 10 143.4 (µg/m3)
SO2 .49 (µg/m3)
CO 0.53 (mg/m3)
NO2 1.46 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 11:22:00
PM - 2.5 50.1 (µg/m3)
PM - 10 78.72 (µg/m3)
SO2 12.8 (µg/m3)
CO 0.36 (mg/m3)
NO2 7.02 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 11:19:20
PM - 2.5 49.58 (µg/m3)
PM - 10 85.14 (µg/m3)
SO2 9.59 (µg/m3)
CO 0.29 (mg/m3)
NO2 3.12 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 11:32:31
PM - 2.5 0 (µg/m3)
PM - 10 102.43 (µg/m3)
SO2 6.73 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.62 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 11:32:57
PM - 2.5 42 (µg/m3)
PM - 10 75 (µg/m3)
SO2 4.9 (µg/m3)
CO 0.26 (mg/m3)
NO2 3.7 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 11:30:17
PM - 2.5 25.07 (µg/m3)
PM - 10 (µg/m3)
SO2 21.88 (µg/m3)
CO 0.38 (mg/m3)
NO2 229.88 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 11:33:09
PM - 2.5 76.76 (µg/m3)
PM - 10 135.49 (µg/m3)
SO2 23.82 (µg/m3)
CO ##### (mg/m3)
NO2 57.38 (µg/m3)

Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 11:30:09
PM - 2.5 31.28 (µg/m3)
PM - 10 84.44 (µg/m3)
SO2 0 (µg/m3)
CO 0.28 (mg/m3)
NO2 8.83 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 11:33:01
PM - 2.5 47 (µg/m3)
PM - 10 93 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.56 (mg/m3)
NO2 19.6 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 11:33:05
PM - 2.5 68.57 (µg/m3)
PM - 10 148.22 (µg/m3)
SO2 11.09 (µg/m3)
CO 1.00 (mg/m3)
NO2 19.71 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 11:30:18
PM - 2.5 2.27 (µg/m3)
PM - 10 (µg/m3)
SO2 5.35 (µg/m3)
CO ##### (mg/m3)
NO2 .98 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
12-04-2026 11:32:37
PM - 2.5 33 (µg/m3)
PM - 10 56 (µg/m3)
SO2 6.5 (µg/m3)
CO 0.18 (mg/m3)
NO2 2.2 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
12-04-2026 11:32:55
PM - 2.5 19 (µg/m3)
PM - 10 38 (µg/m3)
SO2 11.3 (µg/m3)
CO 1.50 (mg/m3)
NO2 17.3 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 11:33:08
PM - 2.5 33 (µg/m3)
PM - 10 49 (µg/m3)
SO2 7.7 (µg/m3)
CO 0.37 (mg/m3)
NO2 20.2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 11:30:51
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 11:33:05
PM - 2.5 41.69 (µg/m3)
PM - 10 73.75 (µg/m3)
SO2 2.16 (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 11:32:57
PM - 2.5 33.44 (µg/m3)
PM - 10 108.97 (µg/m3)
SO2 25.37 (µg/m3)
CO 1.80 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
12-04-2026 11:32:43
PM - 2.5 45.04 (µg/m3)
PM - 10 79.32 (µg/m3)
SO2 12.12 (µg/m3)
CO 0.22 (mg/m3)
NO2 1.81 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 11:18:15
PM - 2.5 66.65 (µg/m3)
PM - 10 114.92 (µg/m3)
SO2 26.65 (µg/m3)
CO 2.70 (mg/m3)
NO2 19.54 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 11:30:19
PM - 2.5 50.1 (µg/m3)
PM - 10 143.4 (µg/m3)
SO2 .49 (µg/m3)
CO 0.53 (mg/m3)
NO2 1.46 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 11:22:00
PM - 2.5 50.1 (µg/m3)
PM - 10 78.72 (µg/m3)
SO2 12.8 (µg/m3)
CO 0.36 (mg/m3)
NO2 7.02 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 11:19:20
PM - 2.5 49.58 (µg/m3)
PM - 10 85.14 (µg/m3)
SO2 9.59 (µg/m3)
CO 0.29 (mg/m3)
NO2 3.12 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 11:32:31
PM - 2.5 0 (µg/m3)
PM - 10 102.43 (µg/m3)
SO2 6.73 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.62 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 11:32:57
PM - 2.5 42 (µg/m3)
PM - 10 75 (µg/m3)
SO2 4.9 (µg/m3)
CO 0.26 (mg/m3)
NO2 3.7 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 11:30:17
PM - 2.5 25.07 (µg/m3)
PM - 10 (µg/m3)
SO2 21.88 (µg/m3)
CO 0.38 (mg/m3)
NO2 229.88 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 11:33:09
PM - 2.5 76.76 (µg/m3)
PM - 10 135.49 (µg/m3)
SO2 23.82 (µg/m3)
CO ##### (mg/m3)
NO2 57.38 (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	97.18

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	212.27

1 - 2

CAAQMS Data

1 - 10 of 2,705

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	12-APR-2026 11:32	12-APR-2026 06:02	33.44	108.97	25.37	-	1.80	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL,Kusmunda	SECL_KUSMUNDA	12-APR-2026 11:32	12-APR-2026 11:30	0.00	102.43	6.73	13.62	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 11:32	12-APR-2026 06:02	33.71	109.34	25.99	-	1.80	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	12-APR-2026 11:31	12-APR-2026 06:01	34.01	109.69	23.15	-	1.75	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 11:31	12-APR-2026 06:01	34.49	110.10	27.17	-	1.76	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 11:30	12-APR-2026 06:00	34.82	110.22	23.25	-	1.74	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Bilaspur, CHHATTISGARHr	South Eastern Coalfields Limited - AQMS_H_Q	12-APR-2026 11:30	12-APR-2026 05:59	25.07	-	21.88	229.88	0.38	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 11:30	12-APR-2026 06:00	35.13	110.34	24.41	-	1.75	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 11:29	12-APR-2026 05:59	35.45	110.36	22.89	-	1.74	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 11:29	12-APR-2026 05:59	35.66	110.12	24.97	-	1.77	site_5664	Thermo Fisher Scientific India Private Limited

1 - 10 of 2,705

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