Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
18-04-2026 09:01:25
PM - 2.5 22.28 (µg/m3)
PM - 10 34.93 (µg/m3)
SO2 29.32 (µg/m3)
CO 0.62 (mg/m3)
NO2 2.44 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 09:04:51
PM - 2.5 43.49 (µg/m3)
PM - 10 37.86 (µg/m3)
SO2 43.44 (µg/m3)
CO 4.75 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 09:00:02
PM - 2.5 25.78 (µg/m3)
PM - 10 72.97 (µg/m3)
SO2 12.58 (µg/m3)
CO 0.34 (mg/m3)
NO2 16.23 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
18-04-2026 09:05:15
PM - 2.5 31 (µg/m3)
PM - 10 63 (µg/m3)
SO2 4.9 (µg/m3)
CO 0.24 (mg/m3)
NO2 16.3 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 09:05:13
PM - 2.5 85.88 (µg/m3)
PM - 10 260.57 (µg/m3)
SO2 15.72 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
18-04-2026 09:00:19
PM - 2.5 2.25 (µg/m3)
PM - 10 (µg/m3)
SO2 5.26 (µg/m3)
CO ##### (mg/m3)
NO2 .17 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 09:03:39
PM - 2.5 12 (µg/m3)
PM - 10 24 (µg/m3)
SO2 10.5 (µg/m3)
CO 0.64 (mg/m3)
NO2 17.7 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
18-04-2026 09:05:12
PM - 2.5 44 (µg/m3)
PM - 10 66 (µg/m3)
SO2 5.3 (µg/m3)
CO 0.38 (mg/m3)
NO2 25.3 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 09:05:09
PM - 2.5 32.31 (µg/m3)
PM - 10 193.89 (µg/m3)
SO2 42.54 (µg/m3)
CO 3.18 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 09:05:17
PM - 2.5 43.19 (µg/m3)
PM - 10 104.5 (µg/m3)
SO2 21.22 (µg/m3)
CO 1.58 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 09:00:51
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.20 (mg/m3)
NO2 86.53 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
18-04-2026 09:05:05
PM - 2.5 97.66 (µg/m3)
PM - 10 284 (µg/m3)
SO2 16.14 (µg/m3)
CO 0.56 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
18-04-2026 09:04:52
PM - 2.5 69.97 (µg/m3)
PM - 10 192.89 (µg/m3)
SO2 27.57 (µg/m3)
CO 2.32 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
18-04-2026 09:03:18
PM - 2.5 222.9 (µg/m3)
PM - 10 384.31 (µg/m3)
SO2 199.82 (µg/m3)
CO 4.00 (mg/m3)
NO2 33.67 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 08:52:03
PM - 2.5 39.8 (µg/m3)
PM - 10 72.55 (µg/m3)
SO2 18.12 (µg/m3)
CO 0.42 (mg/m3)
NO2 7.56 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 09:03:56
PM - 2.5 52.35 (µg/m3)
PM - 10 89.38 (µg/m3)
SO2 10.33 (µg/m3)
CO 0.42 (mg/m3)
NO2 4.11 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
18-04-2026 09:01:20
PM - 2.5 37.07 (µg/m3)
PM - 10 61.68 (µg/m3)
SO2 6.73 (µg/m3)
CO 0.47 (mg/m3)
NO2 16.82 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 09:05:02
PM - 2.5 33 (µg/m3)
PM - 10 56 (µg/m3)
SO2 10 (µg/m3)
CO 0.35 (mg/m3)
NO2 10.9 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 09:00:51
PM - 2.5 19.81 (µg/m3)
PM - 10 (µg/m3)
SO2 16.64 (µg/m3)
CO 0.19 (mg/m3)
NO2 75.39 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 09:05:05
PM - 2.5 63.84 (µg/m3)
PM - 10 100.76 (µg/m3)
SO2 48.24 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
18-04-2026 09:01:25
PM - 2.5 22.28 (µg/m3)
PM - 10 34.93 (µg/m3)
SO2 29.32 (µg/m3)
CO 0.62 (mg/m3)
NO2 2.44 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 09:04:51
PM - 2.5 43.49 (µg/m3)
PM - 10 37.86 (µg/m3)
SO2 43.44 (µg/m3)
CO 4.75 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 09:00:02
PM - 2.5 25.78 (µg/m3)
PM - 10 72.97 (µg/m3)
SO2 12.58 (µg/m3)
CO 0.34 (mg/m3)
NO2 16.23 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
18-04-2026 09:05:15
PM - 2.5 31 (µg/m3)
PM - 10 63 (µg/m3)
SO2 4.9 (µg/m3)
CO 0.24 (mg/m3)
NO2 16.3 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 09:05:13
PM - 2.5 85.88 (µg/m3)
PM - 10 260.57 (µg/m3)
SO2 15.72 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
18-04-2026 09:00:19
PM - 2.5 2.25 (µg/m3)
PM - 10 (µg/m3)
SO2 5.26 (µg/m3)
CO ##### (mg/m3)
NO2 .17 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 09:03:39
PM - 2.5 12 (µg/m3)
PM - 10 24 (µg/m3)
SO2 10.5 (µg/m3)
CO 0.64 (mg/m3)
NO2 17.7 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
18-04-2026 09:05:12
PM - 2.5 44 (µg/m3)
PM - 10 66 (µg/m3)
SO2 5.3 (µg/m3)
CO 0.38 (mg/m3)
NO2 25.3 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 09:05:09
PM - 2.5 32.31 (µg/m3)
PM - 10 193.89 (µg/m3)
SO2 42.54 (µg/m3)
CO 3.18 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 09:05:17
PM - 2.5 43.19 (µg/m3)
PM - 10 104.5 (µg/m3)
SO2 21.22 (µg/m3)
CO 1.58 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 09:00:51
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.20 (mg/m3)
NO2 86.53 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
18-04-2026 09:05:05
PM - 2.5 97.66 (µg/m3)
PM - 10 284 (µg/m3)
SO2 16.14 (µg/m3)
CO 0.56 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
18-04-2026 09:04:52
PM - 2.5 69.97 (µg/m3)
PM - 10 192.89 (µg/m3)
SO2 27.57 (µg/m3)
CO 2.32 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
18-04-2026 09:03:18
PM - 2.5 222.9 (µg/m3)
PM - 10 384.31 (µg/m3)
SO2 199.82 (µg/m3)
CO 4.00 (mg/m3)
NO2 33.67 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 08:52:03
PM - 2.5 39.8 (µg/m3)
PM - 10 72.55 (µg/m3)
SO2 18.12 (µg/m3)
CO 0.42 (mg/m3)
NO2 7.56 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 09:03:56
PM - 2.5 52.35 (µg/m3)
PM - 10 89.38 (µg/m3)
SO2 10.33 (µg/m3)
CO 0.42 (mg/m3)
NO2 4.11 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
18-04-2026 09:01:20
PM - 2.5 37.07 (µg/m3)
PM - 10 61.68 (µg/m3)
SO2 6.73 (µg/m3)
CO 0.47 (mg/m3)
NO2 16.82 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 09:05:02
PM - 2.5 33 (µg/m3)
PM - 10 56 (µg/m3)
SO2 10 (µg/m3)
CO 0.35 (mg/m3)
NO2 10.9 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 09:00:51
PM - 2.5 19.81 (µg/m3)
PM - 10 (µg/m3)
SO2 16.64 (µg/m3)
CO 0.19 (mg/m3)
NO2 75.39 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 09:05:05
PM - 2.5 63.84 (µg/m3)
PM - 10 100.76 (µg/m3)
SO2 48.24 (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)
18-APR-2026	South Eastern Coalfields Limited	M/S Kanchan OC Coal Mine	60	88.04
18-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	77.08

1 - 2

Record Date	Company name	Mine name	Permissible Limit (µg/m3)	Average PM - 10 (µg/m3)
18-APR-2026	South Eastern Coalfields Limited	M/S Kanchan OC Coal Mine	100	158.45
18-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	122.66
18-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	210.85

1 - 3

CAAQMS Data

1 - 10 of 3,403

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	18-APR-2026 09:05	18-APR-2026 03:31	43.19	104.50	21.22	-	1.58	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 09:05	18-APR-2026 03:33	32.31	193.89	42.54	-	3.18	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	18-APR-2026 09:04	18-APR-2026 03:34	69.97	192.89	27.57	-	2.32	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 09:04	18-APR-2026 03:31	43.15	104.60	20.98	-	1.59	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 09:04	18-APR-2026 03:33	32.20	195.48	41.85	-	3.17	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	18-APR-2026 09:04	18-APR-2026 03:34	70.33	192.74	27.45	-	2.30	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 09:04	18-APR-2026 03:30	43.08	104.60	20.87	-	1.58	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 09:04	18-APR-2026 03:32	32.16	197.05	41.06	-	3.17	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	18-APR-2026 09:03	18-APR-2026 09:00	52.35	89.38	10.33	4.11	0.42	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 09:03	18-APR-2026 03:30	42.98	104.70	20.99	-	1.57	site_5720	Thermo Fisher Scientific India Private Limited

1 - 10 of 3,403

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