Subsidiary wise

Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 10:15:45
PM - 2.5 49.69 (µg/m3)
PM - 10 106.31 (µg/m3)
SO2 0 (µg/m3)
CO 0.56 (mg/m3)
NO2 16.23 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 10:18:00
PM - 2.5 130 (µg/m3)
PM - 10 265 (µg/m3)
SO2 4.7 (µg/m3)
CO 1.92 (mg/m3)
NO2 19.9 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 10:18:04
PM - 2.5 67.94 (µg/m3)
PM - 10 183.51 (µg/m3)
SO2 17.58 (µg/m3)
CO 1.00 (mg/m3)
NO2 5.72 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 10:15:12
PM - 2.5 2.29 (µg/m3)
PM - 10 (µg/m3)
SO2 5.38 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
12-04-2026 10:17:39
PM - 2.5 66 (µg/m3)
PM - 10 115 (µg/m3)
SO2 6.5 (µg/m3)
CO 0.65 (mg/m3)
NO2 2.2 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
12-04-2026 10:17:54
PM - 2.5 8 (µg/m3)
PM - 10 13 (µg/m3)
SO2 11.1 (µg/m3)
CO 1.61 (mg/m3)
NO2 17.6 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 10:18:06
PM - 2.5 39 (µg/m3)
PM - 10 59 (µg/m3)
SO2 7.2 (µg/m3)
CO 0.54 (mg/m3)
NO2 20.6 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 10:15:50
PM - 2.5 26.61 (µg/m3)
PM - 10 (µg/m3)
SO2 677.3 (µg/m3)
CO 0.08 (mg/m3)
NO2 987.17 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 10:18:05
PM - 2.5 41.05 (µg/m3)
PM - 10 99.61 (µg/m3)
SO2 28.39 (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 10:17:50
PM - 2.5 45.6 (µg/m3)
PM - 10 179.76 (µg/m3)
SO2 25.56 (µg/m3)
CO 2.19 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
12-04-2026 10:17:43
PM - 2.5 35.66 (µg/m3)
PM - 10 133.38 (µg/m3)
SO2 1.31 (µg/m3)
CO 0.43 (mg/m3)
NO2 1.82 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 10:03:14
PM - 2.5 185.54 (µg/m3)
PM - 10 319.89 (µg/m3)
SO2 18.6 (µg/m3)
CO 4.18 (mg/m3)
NO2 19.6 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 10:15:15
PM - 2.5 97.6 (µg/m3)
PM - 10 162.7 (µg/m3)
SO2 .56 (µg/m3)
CO 0.84 (mg/m3)
NO2 1.84 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 10:07:00
PM - 2.5 47.5 (µg/m3)
PM - 10 71.89 (µg/m3)
SO2 12.48 (µg/m3)
CO 0.32 (mg/m3)
NO2 6.42 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 10:04:20
PM - 2.5 50.52 (µg/m3)
PM - 10 86.57 (µg/m3)
SO2 9.84 (µg/m3)
CO 0.34 (mg/m3)
NO2 3.45 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 10:17:32
PM - 2.5 0 (µg/m3)
PM - 10 72.5 (µg/m3)
SO2 6.91 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.36 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 10:17:57
PM - 2.5 45 (µg/m3)
PM - 10 79 (µg/m3)
SO2 4.5 (µg/m3)
CO 0.90 (mg/m3)
NO2 3.5 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 10:15:10
PM - 2.5 .13 (µg/m3)
PM - 10 (µg/m3)
SO2 192.14 (µg/m3)
CO ##### (mg/m3)
NO2 30.54 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 10:17:39
PM - 2.5 50.63 (µg/m3)
PM - 10 100.56 (µg/m3)
SO2 40.61 (µg/m3)
CO ##### (mg/m3)
NO2 43.86 (µg/m3)

Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 10:15:45
PM - 2.5 49.69 (µg/m3)
PM - 10 106.31 (µg/m3)
SO2 0 (µg/m3)
CO 0.56 (mg/m3)
NO2 16.23 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 10:18:00
PM - 2.5 130 (µg/m3)
PM - 10 265 (µg/m3)
SO2 4.7 (µg/m3)
CO 1.92 (mg/m3)
NO2 19.9 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 10:18:04
PM - 2.5 67.94 (µg/m3)
PM - 10 183.51 (µg/m3)
SO2 17.58 (µg/m3)
CO 1.00 (mg/m3)
NO2 5.72 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 10:15:12
PM - 2.5 2.29 (µg/m3)
PM - 10 (µg/m3)
SO2 5.38 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
12-04-2026 10:17:39
PM - 2.5 66 (µg/m3)
PM - 10 115 (µg/m3)
SO2 6.5 (µg/m3)
CO 0.65 (mg/m3)
NO2 2.2 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
12-04-2026 10:17:54
PM - 2.5 8 (µg/m3)
PM - 10 13 (µg/m3)
SO2 11.1 (µg/m3)
CO 1.61 (mg/m3)
NO2 17.6 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 10:18:06
PM - 2.5 39 (µg/m3)
PM - 10 59 (µg/m3)
SO2 7.2 (µg/m3)
CO 0.54 (mg/m3)
NO2 20.6 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 10:15:50
PM - 2.5 26.61 (µg/m3)
PM - 10 (µg/m3)
SO2 677.3 (µg/m3)
CO 0.08 (mg/m3)
NO2 987.17 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 10:18:05
PM - 2.5 41.05 (µg/m3)
PM - 10 99.61 (µg/m3)
SO2 28.39 (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 10:17:50
PM - 2.5 45.6 (µg/m3)
PM - 10 179.76 (µg/m3)
SO2 25.56 (µg/m3)
CO 2.19 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
12-04-2026 10:17:43
PM - 2.5 35.66 (µg/m3)
PM - 10 133.38 (µg/m3)
SO2 1.31 (µg/m3)
CO 0.43 (mg/m3)
NO2 1.82 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 10:03:14
PM - 2.5 185.54 (µg/m3)
PM - 10 319.89 (µg/m3)
SO2 18.6 (µg/m3)
CO 4.18 (mg/m3)
NO2 19.6 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 10:15:15
PM - 2.5 97.6 (µg/m3)
PM - 10 162.7 (µg/m3)
SO2 .56 (µg/m3)
CO 0.84 (mg/m3)
NO2 1.84 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 10:07:00
PM - 2.5 47.5 (µg/m3)
PM - 10 71.89 (µg/m3)
SO2 12.48 (µg/m3)
CO 0.32 (mg/m3)
NO2 6.42 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 10:04:20
PM - 2.5 50.52 (µg/m3)
PM - 10 86.57 (µg/m3)
SO2 9.84 (µg/m3)
CO 0.34 (mg/m3)
NO2 3.45 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 10:17:32
PM - 2.5 0 (µg/m3)
PM - 10 72.5 (µg/m3)
SO2 6.91 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.36 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 10:17:57
PM - 2.5 45 (µg/m3)
PM - 10 79 (µg/m3)
SO2 4.5 (µg/m3)
CO 0.90 (mg/m3)
NO2 3.5 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 10:15:10
PM - 2.5 .13 (µg/m3)
PM - 10 (µg/m3)
SO2 192.14 (µg/m3)
CO ##### (mg/m3)
NO2 30.54 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 10:17:39
PM - 2.5 50.63 (µg/m3)
PM - 10 100.56 (µg/m3)
SO2 40.61 (µg/m3)
CO ##### (mg/m3)
NO2 43.86 (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	104.80

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	222.67

1 - 2

CAAQMS Data

1 - 10 of 2,535

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 10:17	12-APR-2026 04:47	45.60	179.76	25.56	-	2.19	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL,Kusmunda	SECL_KUSMUNDA	12-APR-2026 10:17	12-APR-2026 10:15	0.00	72.50	6.91	13.36	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 10:17	12-APR-2026 04:47	45.88	180.12	21.81	-	2.20	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 10:16	12-APR-2026 04:46	46.41	180.86	22.15	-	2.19	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 10:16	12-APR-2026 04:46	46.82	181.46	22.46	-	2.21	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 10:15	12-APR-2026 04:45	47.51	182.18	21.02	-	2.20	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Bilaspur, CHHATTISGARHr	South Eastern Coalfields Limited - AQMS_H_Q	12-APR-2026 10:15	12-APR-2026 04:44	0.13	-	192.14	30.54	34.48	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 10:15	12-APR-2026 04:45	48.02	182.64	23.00	-	2.21	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 10:14	12-APR-2026 04:44	48.96	183.73	24.19	-	2.18	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 10:14	12-APR-2026 04:44	49.55	184.62	22.22	-	2.19	site_5664	Thermo Fisher Scientific India Private Limited

1 - 10 of 2,535

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