Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
17-04-2026 13:02:30
PM - 2.5 30.64 (µg/m3)
PM - 10 0 (µg/m3)
SO2 8.1 (µg/m3)
CO 1.24 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
17-04-2026 13:00:37
PM - 2.5 20.75 (µg/m3)
PM - 10 49.96 (µg/m3)
SO2 20.59 (µg/m3)
CO 0.00 (mg/m3)
NO2 2.67 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
17-04-2026 13:02:19
PM - 2.5 26 (µg/m3)
PM - 10 48 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.12 (mg/m3)
NO2 14.7 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
17-04-2026 13:00:01
PM - 2.5 2.36 (µg/m3)
PM - 10 (µg/m3)
SO2 5.66 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
HINGULA OPEN CAST PROJECT
17-04-2026 13:00:44
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 18.76 (µg/m3)
CO ##### (mg/m3)
NO2 991.68 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
17-04-2026 13:02:11
PM - 2.5 44 (µg/m3)
PM - 10 89 (µg/m3)
SO2 10 (µg/m3)
CO 0.50 (mg/m3)
NO2 17.8 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
17-04-2026 13:02:43
PM - 2.5 37 (µg/m3)
PM - 10 57 (µg/m3)
SO2 6 (µg/m3)
CO 0.33 (mg/m3)
NO2 22.5 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
17-04-2026 13:02:26
PM - 2.5 34.17 (µg/m3)
PM - 10 106.9 (µg/m3)
SO2 19.28 (µg/m3)
CO 0.90 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
17-04-2026 13:00:51
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 1.82 (mg/m3)
NO2 53.48 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
17-04-2026 13:02:34
PM - 2.5 50.14 (µg/m3)
PM - 10 174.2 (µg/m3)
SO2 3.1 (µg/m3)
CO 0.51 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
17-04-2026 13:02:27
PM - 2.5 32.41 (µg/m3)
PM - 10 91.54 (µg/m3)
SO2 25.48 (µg/m3)
CO 1.72 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
17-04-2026 13:02:30
PM - 2.5 22.2 (µg/m3)
PM - 10 0 (µg/m3)
SO2 6.63 (µg/m3)
CO 0.19 (mg/m3)
NO2 1.81 (µg/m3)
Northern Coalfields Limited
NCL_CETI
17-04-2026 12:48:45
PM - 2.5 1491.45 (µg/m3)
PM - 10 2571.47 (µg/m3)
SO2 545.83 (µg/m3)
CO 3.46 (mg/m3)
NO2 33.14 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
17-04-2026 13:00:15
PM - 2.5 31 (µg/m3)
PM - 10 122.9 (µg/m3)
SO2 .36 (µg/m3)
CO 0.00 (mg/m3)
NO2 1.4 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
17-04-2026 12:52:04
PM - 2.5 36.1 (µg/m3)
PM - 10 61.69 (µg/m3)
SO2 17.67 (µg/m3)
CO 0.35 (mg/m3)
NO2 6.45 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
17-04-2026 12:48:51
PM - 2.5 56.34 (µg/m3)
PM - 10 95.5 (µg/m3)
SO2 11.41 (µg/m3)
CO 0.60 (mg/m3)
NO2 5.55 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
17-04-2026 13:00:35
PM - 2.5 63 (µg/m3)
PM - 10 111 (µg/m3)
SO2 9.9 (µg/m3)
CO 0.28 (mg/m3)
NO2 15.1 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
17-04-2026 13:00:02
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 40.42 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
17-04-2026 13:02:30
PM - 2.5 65.4 (µg/m3)
PM - 10 105.37 (µg/m3)
SO2 20.78 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCLGourideep Opencast mine
17-04-2026 13:00:05
PM - 2.5 2.31 (µg/m3)
PM - 10 (µg/m3)
SO2 .03 (µg/m3)
CO ##### (mg/m3)
NO2 1.03 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
17-04-2026 13:02:30
PM - 2.5 30.64 (µg/m3)
PM - 10 0 (µg/m3)
SO2 8.1 (µg/m3)
CO 1.24 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
17-04-2026 13:00:37
PM - 2.5 20.75 (µg/m3)
PM - 10 49.96 (µg/m3)
SO2 20.59 (µg/m3)
CO 0.00 (mg/m3)
NO2 2.67 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
17-04-2026 13:02:19
PM - 2.5 26 (µg/m3)
PM - 10 48 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.12 (mg/m3)
NO2 14.7 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
17-04-2026 13:00:01
PM - 2.5 2.36 (µg/m3)
PM - 10 (µg/m3)
SO2 5.66 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
HINGULA OPEN CAST PROJECT
17-04-2026 13:00:44
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 18.76 (µg/m3)
CO ##### (mg/m3)
NO2 991.68 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
17-04-2026 13:02:11
PM - 2.5 44 (µg/m3)
PM - 10 89 (µg/m3)
SO2 10 (µg/m3)
CO 0.50 (mg/m3)
NO2 17.8 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
17-04-2026 13:02:43
PM - 2.5 37 (µg/m3)
PM - 10 57 (µg/m3)
SO2 6 (µg/m3)
CO 0.33 (mg/m3)
NO2 22.5 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
17-04-2026 13:02:26
PM - 2.5 34.17 (µg/m3)
PM - 10 106.9 (µg/m3)
SO2 19.28 (µg/m3)
CO 0.90 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
17-04-2026 13:00:51
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 1.82 (mg/m3)
NO2 53.48 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
17-04-2026 13:02:34
PM - 2.5 50.14 (µg/m3)
PM - 10 174.2 (µg/m3)
SO2 3.1 (µg/m3)
CO 0.51 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
17-04-2026 13:02:27
PM - 2.5 32.41 (µg/m3)
PM - 10 91.54 (µg/m3)
SO2 25.48 (µg/m3)
CO 1.72 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
17-04-2026 13:02:30
PM - 2.5 22.2 (µg/m3)
PM - 10 0 (µg/m3)
SO2 6.63 (µg/m3)
CO 0.19 (mg/m3)
NO2 1.81 (µg/m3)
Northern Coalfields Limited
NCL_CETI
17-04-2026 12:48:45
PM - 2.5 1491.45 (µg/m3)
PM - 10 2571.47 (µg/m3)
SO2 545.83 (µg/m3)
CO 3.46 (mg/m3)
NO2 33.14 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
17-04-2026 13:00:15
PM - 2.5 31 (µg/m3)
PM - 10 122.9 (µg/m3)
SO2 .36 (µg/m3)
CO 0.00 (mg/m3)
NO2 1.4 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
17-04-2026 12:52:04
PM - 2.5 36.1 (µg/m3)
PM - 10 61.69 (µg/m3)
SO2 17.67 (µg/m3)
CO 0.35 (mg/m3)
NO2 6.45 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
17-04-2026 12:48:51
PM - 2.5 56.34 (µg/m3)
PM - 10 95.5 (µg/m3)
SO2 11.41 (µg/m3)
CO 0.60 (mg/m3)
NO2 5.55 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
17-04-2026 13:00:35
PM - 2.5 63 (µg/m3)
PM - 10 111 (µg/m3)
SO2 9.9 (µg/m3)
CO 0.28 (mg/m3)
NO2 15.1 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
17-04-2026 13:00:02
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 40.42 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
17-04-2026 13:02:30
PM - 2.5 65.4 (µg/m3)
PM - 10 105.37 (µg/m3)
SO2 20.78 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCLGourideep Opencast mine
17-04-2026 13:00:05
PM - 2.5 2.31 (µg/m3)
PM - 10 (µg/m3)
SO2 .03 (µg/m3)
CO ##### (mg/m3)
NO2 1.03 (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)
17-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	134.47
17-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	105.55

1 - 2

CAAQMS Data

1 - 10 of 3,303

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	17-APR-2026 13:02	17-APR-2026 07:32	32.41	91.54	25.48	-	1.72	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	17-APR-2026 13:02	17-APR-2026 07:28	34.17	106.90	19.28	-	0.90	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	17-APR-2026 13:01	17-APR-2026 07:31	32.59	91.80	24.83	-	1.71	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	17-APR-2026 13:01	17-APR-2026 07:28	34.18	107.50	19.62	-	0.90	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	17-APR-2026 13:01	17-APR-2026 07:31	32.93	92.03	22.86	-	1.68	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	17-APR-2026 13:01	17-APR-2026 07:27	34.21	108.10	19.49	-	0.90	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	17-APR-2026 13:00	17-APR-2026 07:30	32.97	92.30	24.27	-	1.68	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	17-APR-2026 13:00	17-APR-2026 07:27	34.29	108.60	19.36	-	0.89	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	17-APR-2026 13:00	17-APR-2026 07:26	34.41	108.90	19.10	-	0.89	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Bilaspur, CHHATTISGARHr	South Eastern Coalfields Limited - AQMS_H_Q	17-APR-2026 13:00	17-APR-2026 07:29	0.00	-	40.42	0.00	31.56	site_5592	Swan Environ

1 - 10 of 3,303

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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