Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
20-04-2026 07:46:27
PM - 2.5 18.89 (µg/m3)
PM - 10 16.86 (µg/m3)
SO2 7.15 (µg/m3)
CO 0.52 (mg/m3)
NO2 2.33 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
20-04-2026 07:48:16
PM - 2.5 14.45 (µg/m3)
PM - 10 47.75 (µg/m3)
SO2 28.88 (µg/m3)
CO 7.03 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
20-04-2026 07:45:15
PM - 2.5 14.47 (µg/m3)
PM - 10 30.81 (µg/m3)
SO2 21.74 (µg/m3)
CO 0.00 (mg/m3)
NO2 5.13 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
20-04-2026 07:48:19
PM - 2.5 23 (µg/m3)
PM - 10 46 (µg/m3)
SO2 4.8 (µg/m3)
CO 0.83 (mg/m3)
NO2 13 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
20-04-2026 07:45:13
PM - 2.5 2.21 (µg/m3)
PM - 10 (µg/m3)
SO2 5.17 (µg/m3)
CO ##### (mg/m3)
NO2 .43 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
20-04-2026 07:48:13
PM - 2.5 18 (µg/m3)
PM - 10 110 (µg/m3)
SO2 10.1 (µg/m3)
CO 0.93 (mg/m3)
NO2 17.8 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
20-04-2026 07:48:13
PM - 2.5 69.62 (µg/m3)
PM - 10 179.3 (µg/m3)
SO2 19.82 (µg/m3)
CO 2.90 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
20-04-2026 07:45:51
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.17 (mg/m3)
NO2 299.73 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
20-04-2026 07:48:06
PM - 2.5 110.9 (µg/m3)
PM - 10 440.9 (µg/m3)
SO2 9.82 (µg/m3)
CO 0.57 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
20-04-2026 07:48:29
PM - 2.5 156.19 (µg/m3)
PM - 10 440.41 (µg/m3)
SO2 38.85 (µg/m3)
CO 3.30 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
20-04-2026 07:48:19
PM - 2.5 204.34 (µg/m3)
PM - 10 352.32 (µg/m3)
SO2 50.13 (µg/m3)
CO 4.78 (mg/m3)
NO2 33.65 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
20-04-2026 07:37:05
PM - 2.5 42.8 (µg/m3)
PM - 10 81.42 (µg/m3)
SO2 18.49 (µg/m3)
CO 0.47 (mg/m3)
NO2 8.47 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
20-04-2026 07:34:08
PM - 2.5 48.62 (µg/m3)
PM - 10 83.66 (µg/m3)
SO2 9.33 (µg/m3)
CO 0.25 (mg/m3)
NO2 2.77 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
20-04-2026 07:46:22
PM - 2.5 2147483.75 (µg/m3)
PM - 10 59.2 (µg/m3)
SO2 6.97 (µg/m3)
CO 0.33 (mg/m3)
NO2 16.92 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
20-04-2026 07:48:28
PM - 2.5 39 (µg/m3)
PM - 10 67 (µg/m3)
SO2 9.5 (µg/m3)
CO 0.41 (mg/m3)
NO2 10.4 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
20-04-2026 07:45:24
PM - 2.5 22.41 (µg/m3)
PM - 10 (µg/m3)
SO2 19.08 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
20-04-2026 07:48:13
PM - 2.5 54.81 (µg/m3)
PM - 10 130.71 (µg/m3)
SO2 34.35 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
20-04-2026 07:46:27
PM - 2.5 18.89 (µg/m3)
PM - 10 16.86 (µg/m3)
SO2 7.15 (µg/m3)
CO 0.52 (mg/m3)
NO2 2.33 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
20-04-2026 07:48:16
PM - 2.5 14.45 (µg/m3)
PM - 10 47.75 (µg/m3)
SO2 28.88 (µg/m3)
CO 7.03 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
20-04-2026 07:45:15
PM - 2.5 14.47 (µg/m3)
PM - 10 30.81 (µg/m3)
SO2 21.74 (µg/m3)
CO 0.00 (mg/m3)
NO2 5.13 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
20-04-2026 07:48:19
PM - 2.5 23 (µg/m3)
PM - 10 46 (µg/m3)
SO2 4.8 (µg/m3)
CO 0.83 (mg/m3)
NO2 13 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
20-04-2026 07:45:13
PM - 2.5 2.21 (µg/m3)
PM - 10 (µg/m3)
SO2 5.17 (µg/m3)
CO ##### (mg/m3)
NO2 .43 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
20-04-2026 07:48:13
PM - 2.5 18 (µg/m3)
PM - 10 110 (µg/m3)
SO2 10.1 (µg/m3)
CO 0.93 (mg/m3)
NO2 17.8 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
20-04-2026 07:48:13
PM - 2.5 69.62 (µg/m3)
PM - 10 179.3 (µg/m3)
SO2 19.82 (µg/m3)
CO 2.90 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
20-04-2026 07:45:51
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.17 (mg/m3)
NO2 299.73 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
20-04-2026 07:48:06
PM - 2.5 110.9 (µg/m3)
PM - 10 440.9 (µg/m3)
SO2 9.82 (µg/m3)
CO 0.57 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
20-04-2026 07:48:29
PM - 2.5 156.19 (µg/m3)
PM - 10 440.41 (µg/m3)
SO2 38.85 (µg/m3)
CO 3.30 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
20-04-2026 07:48:19
PM - 2.5 204.34 (µg/m3)
PM - 10 352.32 (µg/m3)
SO2 50.13 (µg/m3)
CO 4.78 (mg/m3)
NO2 33.65 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
20-04-2026 07:37:05
PM - 2.5 42.8 (µg/m3)
PM - 10 81.42 (µg/m3)
SO2 18.49 (µg/m3)
CO 0.47 (mg/m3)
NO2 8.47 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
20-04-2026 07:34:08
PM - 2.5 48.62 (µg/m3)
PM - 10 83.66 (µg/m3)
SO2 9.33 (µg/m3)
CO 0.25 (mg/m3)
NO2 2.77 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
20-04-2026 07:46:22
PM - 2.5 2147483.75 (µg/m3)
PM - 10 59.2 (µg/m3)
SO2 6.97 (µg/m3)
CO 0.33 (mg/m3)
NO2 16.92 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
20-04-2026 07:48:28
PM - 2.5 39 (µg/m3)
PM - 10 67 (µg/m3)
SO2 9.5 (µg/m3)
CO 0.41 (mg/m3)
NO2 10.4 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
20-04-2026 07:45:24
PM - 2.5 22.41 (µg/m3)
PM - 10 (µg/m3)
SO2 19.08 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
20-04-2026 07:48:13
PM - 2.5 54.81 (µg/m3)
PM - 10 130.71 (µg/m3)
SO2 34.35 (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	82.55
20-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	120.93
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	183.99
20-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	346.08

1 - 3

CAAQMS Data

1 - 10 of 2,682

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 07:48	20-APR-2026 02:18	156.19	440.41	38.85	-	3.30	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	20-APR-2026 07:48	20-APR-2026 02:14	69.62	179.30	19.82	-	2.90	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 07:48	20-APR-2026 02:18	156.95	443.10	38.35	-	3.28	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	20-APR-2026 07:47	20-APR-2026 02:13	69.71	179.60	19.61	-	2.91	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 07:47	20-APR-2026 02:17	157.75	445.54	37.52	-	3.27	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	20-APR-2026 07:47	20-APR-2026 02:13	69.78	179.80	19.26	-	2.92	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 07:47	20-APR-2026 02:17	158.81	448.51	34.72	-	3.29	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	20-APR-2026 07:46	20-APR-2026 02:12	69.87	179.90	19.65	-	2.92	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 07:46	20-APR-2026 02:16	159.49	451.14	38.12	-	3.25	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL,Kusmunda	SECL_KUSMUNDA	20-APR-2026 07:46	20-APR-2026 07:45	2,147,483.75	59.20	6.97	16.92	0.33	site_1963	Envea India Pvt Ltd

1 - 10 of 2,682

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