Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
20-04-2026 08:16:27
PM - 2.5 18.89 (µg/m3)
PM - 10 16.86 (µg/m3)
SO2 0 (µg/m3)
CO 0.50 (mg/m3)
NO2 2.18 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
20-04-2026 08:17:17
PM - 2.5 25.11 (µg/m3)
PM - 10 31.55 (µg/m3)
SO2 25.28 (µg/m3)
CO 6.05 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
20-04-2026 08:16:00
PM - 2.5 13.1 (µg/m3)
PM - 10 33.58 (µg/m3)
SO2 23.17 (µg/m3)
CO 0.00 (mg/m3)
NO2 4.31 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
20-04-2026 08:17:12
PM - 2.5 36 (µg/m3)
PM - 10 73 (µg/m3)
SO2 4.8 (µg/m3)
CO 0.89 (mg/m3)
NO2 13.1 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
20-04-2026 08:15:51
PM - 2.5 984.82 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO ##### (mg/m3)
NO2 32.25 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
20-04-2026 08:17:15
PM - 2.5 28 (µg/m3)
PM - 10 47 (µg/m3)
SO2 6.4 (µg/m3)
CO 0.27 (mg/m3)
NO2 2.4 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
20-04-2026 08:17:12
PM - 2.5 27 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.9 (µg/m3)
CO 0.99 (mg/m3)
NO2 17.6 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
20-04-2026 08:17:36
PM - 2.5 16 (µg/m3)
PM - 10 25 (µg/m3)
SO2 6.3 (µg/m3)
CO 0.30 (mg/m3)
NO2 25.5 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
20-04-2026 08:17:14
PM - 2.5 59.06 (µg/m3)
PM - 10 113.7 (µg/m3)
SO2 19.58 (µg/m3)
CO 2.79 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
20-04-2026 08:15:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 1.64 (mg/m3)
NO2 299.97 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
20-04-2026 08:17:35
PM - 2.5 102.8 (µg/m3)
PM - 10 350.5 (µg/m3)
SO2 19.07 (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 08:17:12
PM - 2.5 116.84 (µg/m3)
PM - 10 388.01 (µg/m3)
SO2 36.08 (µg/m3)
CO 3.09 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
20-04-2026 08:03:19
PM - 2.5 210.56 (µg/m3)
PM - 10 363.03 (µg/m3)
SO2 45.97 (µg/m3)
CO 3.84 (mg/m3)
NO2 33.65 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
20-04-2026 08:15:49
PM - 2.5 51.8 (µg/m3)
PM - 10 100.9 (µg/m3)
SO2 .76 (µg/m3)
CO 0.64 (mg/m3)
NO2 1.72 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
20-04-2026 08:07:04
PM - 2.5 44.2 (µg/m3)
PM - 10 85.3 (µg/m3)
SO2 18.66 (µg/m3)
CO 0.50 (mg/m3)
NO2 8.87 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
20-04-2026 08:04:08
PM - 2.5 51.63 (µg/m3)
PM - 10 88.27 (µg/m3)
SO2 10.14 (µg/m3)
CO 0.39 (mg/m3)
NO2 3.85 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
20-04-2026 08:16:22
PM - 2.5 2147483.75 (µg/m3)
PM - 10 62.9 (µg/m3)
SO2 7.23 (µg/m3)
CO 0.36 (mg/m3)
NO2 16.51 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
20-04-2026 08:17:27
PM - 2.5 20 (µg/m3)
PM - 10 33 (µg/m3)
SO2 9.1 (µg/m3)
CO 0.33 (mg/m3)
NO2 11 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
20-04-2026 08:15:03
PM - 2.5 28.74 (µg/m3)
PM - 10 (µg/m3)
SO2 25.49 (µg/m3)
CO 0.55 (mg/m3)
NO2 261.42 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
20-04-2026 08:17:13
PM - 2.5 38.15 (µg/m3)
PM - 10 117.73 (µg/m3)
SO2 21.74 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
20-04-2026 08:16:27
PM - 2.5 18.89 (µg/m3)
PM - 10 16.86 (µg/m3)
SO2 0 (µg/m3)
CO 0.50 (mg/m3)
NO2 2.18 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
20-04-2026 08:17:17
PM - 2.5 25.11 (µg/m3)
PM - 10 31.55 (µg/m3)
SO2 25.28 (µg/m3)
CO 6.05 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
20-04-2026 08:16:00
PM - 2.5 13.1 (µg/m3)
PM - 10 33.58 (µg/m3)
SO2 23.17 (µg/m3)
CO 0.00 (mg/m3)
NO2 4.31 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
20-04-2026 08:17:12
PM - 2.5 36 (µg/m3)
PM - 10 73 (µg/m3)
SO2 4.8 (µg/m3)
CO 0.89 (mg/m3)
NO2 13.1 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
20-04-2026 08:15:51
PM - 2.5 984.82 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO ##### (mg/m3)
NO2 32.25 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
20-04-2026 08:17:15
PM - 2.5 28 (µg/m3)
PM - 10 47 (µg/m3)
SO2 6.4 (µg/m3)
CO 0.27 (mg/m3)
NO2 2.4 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
20-04-2026 08:17:12
PM - 2.5 27 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.9 (µg/m3)
CO 0.99 (mg/m3)
NO2 17.6 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
20-04-2026 08:17:36
PM - 2.5 16 (µg/m3)
PM - 10 25 (µg/m3)
SO2 6.3 (µg/m3)
CO 0.30 (mg/m3)
NO2 25.5 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
20-04-2026 08:17:14
PM - 2.5 59.06 (µg/m3)
PM - 10 113.7 (µg/m3)
SO2 19.58 (µg/m3)
CO 2.79 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
20-04-2026 08:15:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 1.64 (mg/m3)
NO2 299.97 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
20-04-2026 08:17:35
PM - 2.5 102.8 (µg/m3)
PM - 10 350.5 (µg/m3)
SO2 19.07 (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 08:17:12
PM - 2.5 116.84 (µg/m3)
PM - 10 388.01 (µg/m3)
SO2 36.08 (µg/m3)
CO 3.09 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
20-04-2026 08:03:19
PM - 2.5 210.56 (µg/m3)
PM - 10 363.03 (µg/m3)
SO2 45.97 (µg/m3)
CO 3.84 (mg/m3)
NO2 33.65 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
20-04-2026 08:15:49
PM - 2.5 51.8 (µg/m3)
PM - 10 100.9 (µg/m3)
SO2 .76 (µg/m3)
CO 0.64 (mg/m3)
NO2 1.72 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
20-04-2026 08:07:04
PM - 2.5 44.2 (µg/m3)
PM - 10 85.3 (µg/m3)
SO2 18.66 (µg/m3)
CO 0.50 (mg/m3)
NO2 8.87 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
20-04-2026 08:04:08
PM - 2.5 51.63 (µg/m3)
PM - 10 88.27 (µg/m3)
SO2 10.14 (µg/m3)
CO 0.39 (mg/m3)
NO2 3.85 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
20-04-2026 08:16:22
PM - 2.5 2147483.75 (µg/m3)
PM - 10 62.9 (µg/m3)
SO2 7.23 (µg/m3)
CO 0.36 (mg/m3)
NO2 16.51 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
20-04-2026 08:17:27
PM - 2.5 20 (µg/m3)
PM - 10 33 (µg/m3)
SO2 9.1 (µg/m3)
CO 0.33 (mg/m3)
NO2 11 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
20-04-2026 08:15:03
PM - 2.5 28.74 (µg/m3)
PM - 10 (µg/m3)
SO2 25.49 (µg/m3)
CO 0.55 (mg/m3)
NO2 261.42 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
20-04-2026 08:17:13
PM - 2.5 38.15 (µg/m3)
PM - 10 117.73 (µg/m3)
SO2 21.74 (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	81.56
20-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	121.86
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	181.91
20-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	349.53

1 - 3

CAAQMS Data

1 - 10 of 2,805

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	Korba Area	M/S Saraipali Opencast Coal Mine	20-APR-2026 08:17	20-APR-2026 02:43	59.06	113.70	19.58	-	2.79	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 08:17	20-APR-2026 02:47	116.84	388.01	36.08	-	3.09	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	20-APR-2026 08:16	20-APR-2026 02:42	59.15	114.60	19.82	-	2.80	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 08:16	20-APR-2026 02:46	117.53	388.70	34.73	-	3.10	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL,Kusmunda	SECL_KUSMUNDA	20-APR-2026 08:16	20-APR-2026 08:15	2,147,483.75	62.90	7.23	16.51	0.36	site_1963	Envea India Pvt Ltd
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	20-APR-2026 08:16	20-APR-2026 02:42	59.29	115.50	19.67	-	2.82	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 08:16	20-APR-2026 02:46	118.26	389.02	34.91	-	3.10	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	20-APR-2026 08:15	20-APR-2026 02:41	59.50	116.40	19.37	-	2.83	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 08:15	20-APR-2026 02:45	118.86	389.31	34.42	-	3.06	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	20-APR-2026 08:15	20-APR-2026 02:41	59.83	117.40	19.15	-	2.85	site_5720	Thermo Fisher Scientific India Private Limited

1 - 10 of 2,805

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