Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
20-04-2026 06:01:29
PM - 2.5 17.63 (µg/m3)
PM - 10 17.43 (µg/m3)
SO2 0 (µg/m3)
CO 0.87 (mg/m3)
NO2 2.24 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
20-04-2026 06:04:14
PM - 2.5 25.01 (µg/m3)
PM - 10 127.57 (µg/m3)
SO2 9.11 (µg/m3)
CO 6.52 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
20-04-2026 06:00:02
PM - 2.5 17.47 (µg/m3)
PM - 10 31.04 (µg/m3)
SO2 26.88 (µg/m3)
CO 0.00 (mg/m3)
NO2 2.88 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
20-04-2026 06:04:03
PM - 2.5 32 (µg/m3)
PM - 10 63 (µg/m3)
SO2 4.8 (µg/m3)
CO 0.73 (mg/m3)
NO2 26.7 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
20-04-2026 06:00:30
PM - 2.5 2.21 (µg/m3)
PM - 10 (µg/m3)
SO2 5.14 (µg/m3)
CO ##### (mg/m3)
NO2 .59 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
20-04-2026 06:03:57
PM - 2.5 15 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.8 (µg/m3)
CO 0.80 (mg/m3)
NO2 17.7 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
20-04-2026 06:04:11
PM - 2.5 54.42 (µg/m3)
PM - 10 142.7 (µg/m3)
SO2 19.2 (µg/m3)
CO 3.15 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
20-04-2026 06:00:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 1.28 (mg/m3)
NO2 348.73 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
20-04-2026 06:04:35
PM - 2.5 71.64 (µg/m3)
PM - 10 327.7 (µg/m3)
SO2 5.5 (µg/m3)
CO 0.55 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
20-04-2026 06:04:24
PM - 2.5 105.3 (µg/m3)
PM - 10 351.95 (µg/m3)
SO2 30.81 (µg/m3)
CO 2.93 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
20-04-2026 06:04:12
PM - 2.5 1.27 (µg/m3)
PM - 10 70.74 (µg/m3)
SO2 5.98 (µg/m3)
CO 0.26 (mg/m3)
NO2 2.86 (µg/m3)
Northern Coalfields Limited
NCL_CETI
20-04-2026 06:03:38
PM - 2.5 2332.85 (µg/m3)
PM - 10 4022.15 (µg/m3)
SO2 30.09 (µg/m3)
CO 4.18 (mg/m3)
NO2 33.64 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
20-04-2026 06:00:03
PM - 2.5 33 (µg/m3)
PM - 10 103.1 (µg/m3)
SO2 .92 (µg/m3)
CO 0.57 (mg/m3)
NO2 1.81 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
20-04-2026 05:52:05
PM - 2.5 42.5 (µg/m3)
PM - 10 80.49 (µg/m3)
SO2 18.45 (µg/m3)
CO 0.47 (mg/m3)
NO2 8.37 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
20-04-2026 06:04:07
PM - 2.5 57.37 (µg/m3)
PM - 10 97.09 (µg/m3)
SO2 11.69 (µg/m3)
CO 0.65 (mg/m3)
NO2 5.92 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
20-04-2026 06:01:23
PM - 2.5 2147483.75 (µg/m3)
PM - 10 57.75 (µg/m3)
SO2 7.16 (µg/m3)
CO 0.50 (mg/m3)
NO2 16.73 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
20-04-2026 06:04:27
PM - 2.5 24 (µg/m3)
PM - 10 42 (µg/m3)
SO2 9.2 (µg/m3)
CO 0.47 (mg/m3)
NO2 10.4 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
20-04-2026 06:00:37
PM - 2.5 18.88 (µg/m3)
PM - 10 (µg/m3)
SO2 15.65 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
20-04-2026 06:04:11
PM - 2.5 44.07 (µg/m3)
PM - 10 155.13 (µg/m3)
SO2 65.06 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
20-04-2026 06:01:29
PM - 2.5 17.63 (µg/m3)
PM - 10 17.43 (µg/m3)
SO2 0 (µg/m3)
CO 0.87 (mg/m3)
NO2 2.24 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
20-04-2026 06:04:14
PM - 2.5 25.01 (µg/m3)
PM - 10 127.57 (µg/m3)
SO2 9.11 (µg/m3)
CO 6.52 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
20-04-2026 06:00:02
PM - 2.5 17.47 (µg/m3)
PM - 10 31.04 (µg/m3)
SO2 26.88 (µg/m3)
CO 0.00 (mg/m3)
NO2 2.88 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
20-04-2026 06:04:03
PM - 2.5 32 (µg/m3)
PM - 10 63 (µg/m3)
SO2 4.8 (µg/m3)
CO 0.73 (mg/m3)
NO2 26.7 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
20-04-2026 06:00:30
PM - 2.5 2.21 (µg/m3)
PM - 10 (µg/m3)
SO2 5.14 (µg/m3)
CO ##### (mg/m3)
NO2 .59 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
20-04-2026 06:03:57
PM - 2.5 15 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.8 (µg/m3)
CO 0.80 (mg/m3)
NO2 17.7 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
20-04-2026 06:04:11
PM - 2.5 54.42 (µg/m3)
PM - 10 142.7 (µg/m3)
SO2 19.2 (µg/m3)
CO 3.15 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
20-04-2026 06:00:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 1.28 (mg/m3)
NO2 348.73 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
20-04-2026 06:04:35
PM - 2.5 71.64 (µg/m3)
PM - 10 327.7 (µg/m3)
SO2 5.5 (µg/m3)
CO 0.55 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
20-04-2026 06:04:24
PM - 2.5 105.3 (µg/m3)
PM - 10 351.95 (µg/m3)
SO2 30.81 (µg/m3)
CO 2.93 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
20-04-2026 06:04:12
PM - 2.5 1.27 (µg/m3)
PM - 10 70.74 (µg/m3)
SO2 5.98 (µg/m3)
CO 0.26 (mg/m3)
NO2 2.86 (µg/m3)
Northern Coalfields Limited
NCL_CETI
20-04-2026 06:03:38
PM - 2.5 2332.85 (µg/m3)
PM - 10 4022.15 (µg/m3)
SO2 30.09 (µg/m3)
CO 4.18 (mg/m3)
NO2 33.64 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
20-04-2026 06:00:03
PM - 2.5 33 (µg/m3)
PM - 10 103.1 (µg/m3)
SO2 .92 (µg/m3)
CO 0.57 (mg/m3)
NO2 1.81 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
20-04-2026 05:52:05
PM - 2.5 42.5 (µg/m3)
PM - 10 80.49 (µg/m3)
SO2 18.45 (µg/m3)
CO 0.47 (mg/m3)
NO2 8.37 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
20-04-2026 06:04:07
PM - 2.5 57.37 (µg/m3)
PM - 10 97.09 (µg/m3)
SO2 11.69 (µg/m3)
CO 0.65 (mg/m3)
NO2 5.92 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
20-04-2026 06:01:23
PM - 2.5 2147483.75 (µg/m3)
PM - 10 57.75 (µg/m3)
SO2 7.16 (µg/m3)
CO 0.50 (mg/m3)
NO2 16.73 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
20-04-2026 06:04:27
PM - 2.5 24 (µg/m3)
PM - 10 42 (µg/m3)
SO2 9.2 (µg/m3)
CO 0.47 (mg/m3)
NO2 10.4 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
20-04-2026 06:00:37
PM - 2.5 18.88 (µg/m3)
PM - 10 (µg/m3)
SO2 15.65 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
20-04-2026 06:04:11
PM - 2.5 44.07 (µg/m3)
PM - 10 155.13 (µg/m3)
SO2 65.06 (µg/m3)
CO ##### (mg/m3)
NO2 0 (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)
20-APR-2026	South Eastern Coalfields Limited	M/S Kanchan OC Coal Mine	60	101.29
20-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	60	88.01
20-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	110.45
20-APR-2026	South Eastern Coalfields Limited	SECL_KUSMUNDA	60	2,147,483.75

1 - 4

Record Date	Company name	Mine name	Permissible Limit (µg/m3)	Average PM - 10 (µg/m3)
20-APR-2026	South Eastern Coalfields Limited	M/S Kanchan OC Coal Mine	100	196.08
20-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	186.11
20-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	323.70

1 - 3

CAAQMS Data

1 - 10 of 2,244

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	20-APR-2026 06:04	20-APR-2026 00:34	105.30	351.95	30.81	-	2.93	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	20-APR-2026 06:04	20-APR-2026 00:30	54.42	142.70	19.20	-	3.15	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	20-APR-2026 06:04	20-APR-2026 06:00	57.37	97.09	11.69	5.92	0.65	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	20-APR-2026 06:03	20-APR-2026 00:33	104.15	353.47	34.53	-	2.93	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	20-APR-2026 06:03	20-APR-2026 00:29	54.63	142.90	18.91	-	3.16	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	20-APR-2026 06:03	20-APR-2026 00:33	103.39	355.12	35.25	-	2.94	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	20-APR-2026 06:03	20-APR-2026 00:29	54.96	143.20	18.85	-	3.18	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	20-APR-2026 06:02	20-APR-2026 00:32	102.79	356.87	32.59	-	2.94	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	20-APR-2026 06:02	20-APR-2026 00:28	55.37	143.50	18.46	-	3.20	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	20-APR-2026 06:02	20-APR-2026 00:32	102.64	358.33	32.99	-	2.96	site_5664	Thermo Fisher Scientific India Private Limited

1 - 10 of 2,244

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