Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
23-03-2026 23:09:59
PM - 2.5 30.8 (µg/m3)
PM - 10 117 (µg/m3)
SO2 5.52 (µg/m3)
CO 0.99 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
23-03-2026 23:01:07
PM - 2.5 61.05 (µg/m3)
PM - 10 128.16 (µg/m3)
SO2 25.69 (µg/m3)
CO 0.20 (mg/m3)
NO2 6.94 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
23-03-2026 23:09:40
PM - 2.5 98.02 (µg/m3)
PM - 10 229.81 (µg/m3)
SO2 9.68 (µg/m3)
CO 7.16 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
23-03-2026 23:00:39
PM - 2.5 35.61 (µg/m3)
PM - 10 131.98 (µg/m3)
SO2 0 (µg/m3)
CO 0.60 (mg/m3)
NO2 10.06 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
23-03-2026 23:09:32
PM - 2.5 34 (µg/m3)
PM - 10 69 (µg/m3)
SO2 4.5 (µg/m3)
CO 0.47 (mg/m3)
NO2 58.6 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
23-03-2026 23:00:22
PM - 2.5 42.22 (µg/m3)
PM - 10 (µg/m3)
SO2 139.4 (µg/m3)
CO ##### (mg/m3)
NO2 .14 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
23-03-2026 23:09:25
PM - 2.5 19 (µg/m3)
PM - 10 37 (µg/m3)
SO2 31.8 (µg/m3)
CO 1.52 (mg/m3)
NO2 16.9 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
23-03-2026 23:09:57
PM - 2.5 20 (µg/m3)
PM - 10 31 (µg/m3)
SO2 6.1 (µg/m3)
CO 0.33 (mg/m3)
NO2 25.2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
23-03-2026 23:09:42
PM - 2.5 103.1 (µg/m3)
PM - 10 322.1 (µg/m3)
SO2 19.48 (µg/m3)
CO 0.56 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
23-03-2026 23:00:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 988.51 (µg/m3)
CO 0.18 (mg/m3)
NO2 .11 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
23-03-2026 23:10:01
PM - 2.5 57.45 (µg/m3)
PM - 10 154.8 (µg/m3)
SO2 0 (µg/m3)
CO 0.54 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
23-03-2026 23:09:46
PM - 2.5 92.27 (µg/m3)
PM - 10 277.67 (µg/m3)
SO2 35.68 (µg/m3)
CO 2.97 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mahadevpuri UG
23-03-2026 23:10:03
PM - 2.5 20.46 (µg/m3)
PM - 10 69.02 (µg/m3)
SO2 7.85 (µg/m3)
CO 0.00 (mg/m3)
NO2 6.65 (µg/m3)
Western Coalfields Limited
Mathani UG
23-03-2026 23:09:59
PM - 2.5 43.77 (µg/m3)
PM - 10 0 (µg/m3)
SO2 5.01 (µg/m3)
CO 1.07 (mg/m3)
NO2 .01 (µg/m3)
Northern Coalfields Limited
NCL_CETI
23-03-2026 23:03:01
PM - 2.5 41.05 (µg/m3)
PM - 10 70.78 (µg/m3)
SO2 22.72 (µg/m3)
CO 3.96 (mg/m3)
NO2 21.07 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
23-03-2026 23:06:26
PM - 2.5 45.5 (µg/m3)
PM - 10 79.75 (µg/m3)
SO2 9.48 (µg/m3)
CO 0.42 (mg/m3)
NO2 9.25 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
23-03-2026 23:03:21
PM - 2.5 43.42 (µg/m3)
PM - 10 92.48 (µg/m3)
SO2 0 (µg/m3)
CO 0.34 (mg/m3)
NO2 5.14 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
23-03-2026 23:02:05
PM - 2.5 15.5 (µg/m3)
PM - 10 164.61 (µg/m3)
SO2 7.18 (µg/m3)
CO 0.51 (mg/m3)
NO2 13.84 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
23-03-2026 23:09:58
PM - 2.5 25 (µg/m3)
PM - 10 42 (µg/m3)
SO2 8.7 (µg/m3)
CO 0.00 (mg/m3)
NO2 14.4 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
23-03-2026 23:09:59
PM - 2.5 30.8 (µg/m3)
PM - 10 117 (µg/m3)
SO2 5.52 (µg/m3)
CO 0.99 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
23-03-2026 23:01:07
PM - 2.5 61.05 (µg/m3)
PM - 10 128.16 (µg/m3)
SO2 25.69 (µg/m3)
CO 0.20 (mg/m3)
NO2 6.94 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
23-03-2026 23:09:40
PM - 2.5 98.02 (µg/m3)
PM - 10 229.81 (µg/m3)
SO2 9.68 (µg/m3)
CO 7.16 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
23-03-2026 23:00:39
PM - 2.5 35.61 (µg/m3)
PM - 10 131.98 (µg/m3)
SO2 0 (µg/m3)
CO 0.60 (mg/m3)
NO2 10.06 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
23-03-2026 23:09:32
PM - 2.5 34 (µg/m3)
PM - 10 69 (µg/m3)
SO2 4.5 (µg/m3)
CO 0.47 (mg/m3)
NO2 58.6 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
23-03-2026 23:00:22
PM - 2.5 42.22 (µg/m3)
PM - 10 (µg/m3)
SO2 139.4 (µg/m3)
CO ##### (mg/m3)
NO2 .14 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
23-03-2026 23:09:25
PM - 2.5 19 (µg/m3)
PM - 10 37 (µg/m3)
SO2 31.8 (µg/m3)
CO 1.52 (mg/m3)
NO2 16.9 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
23-03-2026 23:09:57
PM - 2.5 20 (µg/m3)
PM - 10 31 (µg/m3)
SO2 6.1 (µg/m3)
CO 0.33 (mg/m3)
NO2 25.2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
23-03-2026 23:09:42
PM - 2.5 103.1 (µg/m3)
PM - 10 322.1 (µg/m3)
SO2 19.48 (µg/m3)
CO 0.56 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
23-03-2026 23:00:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 988.51 (µg/m3)
CO 0.18 (mg/m3)
NO2 .11 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
23-03-2026 23:10:01
PM - 2.5 57.45 (µg/m3)
PM - 10 154.8 (µg/m3)
SO2 0 (µg/m3)
CO 0.54 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
23-03-2026 23:09:46
PM - 2.5 92.27 (µg/m3)
PM - 10 277.67 (µg/m3)
SO2 35.68 (µg/m3)
CO 2.97 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mahadevpuri UG
23-03-2026 23:10:03
PM - 2.5 20.46 (µg/m3)
PM - 10 69.02 (µg/m3)
SO2 7.85 (µg/m3)
CO 0.00 (mg/m3)
NO2 6.65 (µg/m3)
Western Coalfields Limited
Mathani UG
23-03-2026 23:09:59
PM - 2.5 43.77 (µg/m3)
PM - 10 0 (µg/m3)
SO2 5.01 (µg/m3)
CO 1.07 (mg/m3)
NO2 .01 (µg/m3)
Northern Coalfields Limited
NCL_CETI
23-03-2026 23:03:01
PM - 2.5 41.05 (µg/m3)
PM - 10 70.78 (µg/m3)
SO2 22.72 (µg/m3)
CO 3.96 (mg/m3)
NO2 21.07 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
23-03-2026 23:06:26
PM - 2.5 45.5 (µg/m3)
PM - 10 79.75 (µg/m3)
SO2 9.48 (µg/m3)
CO 0.42 (mg/m3)
NO2 9.25 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
23-03-2026 23:03:21
PM - 2.5 43.42 (µg/m3)
PM - 10 92.48 (µg/m3)
SO2 0 (µg/m3)
CO 0.34 (mg/m3)
NO2 5.14 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
23-03-2026 23:02:05
PM - 2.5 15.5 (µg/m3)
PM - 10 164.61 (µg/m3)
SO2 7.18 (µg/m3)
CO 0.51 (mg/m3)
NO2 13.84 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
23-03-2026 23:09:58
PM - 2.5 25 (µg/m3)
PM - 10 42 (µg/m3)
SO2 8.7 (µg/m3)
CO 0.00 (mg/m3)
NO2 14.4 (µg/m3)

From

Expected format: DD-MON-RR

Subsidiary

Mine

No record found

Record Date	Company name	Mine name	Permissible Limit (µg/m3)	Average PM - 10 (µg/m3)
23-MAR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	113.34
23-MAR-2026	South Eastern Coalfields Limited	SECL_KUSMUNDA	100	114.18

1 - 2

CAAQMS Data

1 - 10 of 6,031

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	23-MAR-2026 23:09	23-MAR-2026 17:39	92.27	277.67	35.68	-	2.97	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	23-MAR-2026 23:09	23-MAR-2026 17:36	103.10	322.10	19.48	-	0.56	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	23-MAR-2026 23:09	23-MAR-2026 17:39	92.07	277.56	34.11	-	2.98	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	23-MAR-2026 23:09	23-MAR-2026 17:35	103.20	323.90	19.84	-	0.56	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	23-MAR-2026 23:08	23-MAR-2026 17:38	91.84	277.43	33.90	-	2.95	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	23-MAR-2026 23:08	23-MAR-2026 17:35	103.30	325.60	19.96	-	0.56	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	23-MAR-2026 23:08	23-MAR-2026 17:38	91.64	277.30	35.57	-	2.95	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	23-MAR-2026 23:08	23-MAR-2026 17:34	103.30	327.10	20.14	-	0.57	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	23-MAR-2026 23:07	23-MAR-2026 17:37	91.58	277.14	33.96	-	2.97	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	23-MAR-2026 23:07	23-MAR-2026 17:34	103.30	328.50	20.40	-	0.57	site_5720	Thermo Fisher Scientific India Private Limited

1 - 10 of 6,031

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