Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
20-04-2026 00:01:27
PM - 2.5 19.59 (µg/m3)
PM - 10 22.38 (µg/m3)
SO2 0 (µg/m3)
CO 0.64 (mg/m3)
NO2 1.93 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
20-04-2026 00:13:06
PM - 2.5 51.55 (µg/m3)
PM - 10 174.98 (µg/m3)
SO2 20.07 (µg/m3)
CO 5.86 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
20-04-2026 00:00:58
PM - 2.5 39.82 (µg/m3)
PM - 10 85.96 (µg/m3)
SO2 40.33 (µg/m3)
CO 0.47 (mg/m3)
NO2 20.95 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
20-04-2026 00:12:58
PM - 2.5 40 (µg/m3)
PM - 10 82 (µg/m3)
SO2 4.8 (µg/m3)
CO 0.90 (mg/m3)
NO2 41.1 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
20-04-2026 00:13:00
PM - 2.5 80.84 (µg/m3)
PM - 10 239.35 (µg/m3)
SO2 13.5 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
20-04-2026 00:00:55
PM - 2.5 2.25 (µg/m3)
PM - 10 (µg/m3)
SO2 5.24 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
20-04-2026 00:12:53
PM - 2.5 37 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.7 (µg/m3)
CO 0.87 (mg/m3)
NO2 17.8 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
20-04-2026 00:13:06
PM - 2.5 18 (µg/m3)
PM - 10 28 (µg/m3)
SO2 5.1 (µg/m3)
CO 0.33 (mg/m3)
NO2 25.6 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
20-04-2026 00:12:52
PM - 2.5 79.68 (µg/m3)
PM - 10 154.42 (µg/m3)
SO2 7.99 (µg/m3)
CO 3.26 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
20-04-2026 00:13:05
PM - 2.5 65.2 (µg/m3)
PM - 10 145.7 (µg/m3)
SO2 21.18 (µg/m3)
CO 3.72 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
20-04-2026 00:00:52
PM - 2.5 .61 (µg/m3)
PM - 10 (µg/m3)
SO2 985.31 (µg/m3)
CO 0.00 (mg/m3)
NO2 59.02 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
20-04-2026 00:13:04
PM - 2.5 143.2 (µg/m3)
PM - 10 613.3 (µg/m3)
SO2 6.32 (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
20-04-2026 00:13:02
PM - 2.5 232.05 (µg/m3)
PM - 10 658.91 (µg/m3)
SO2 35.69 (µg/m3)
CO 3.77 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
20-04-2026 00:13:06
PM - 2.5 11.57 (µg/m3)
PM - 10 15.32 (µg/m3)
SO2 2.14 (µg/m3)
CO 0.17 (mg/m3)
NO2 1.73 (µg/m3)
Northern Coalfields Limited
NCL_CETI
20-04-2026 00:03:18
PM - 2.5 73.94 (µg/m3)
PM - 10 127.49 (µg/m3)
SO2 32.68 (µg/m3)
CO 4.07 (mg/m3)
NO2 33.65 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
20-04-2026 00:00:30
PM - 2.5 48.9 (µg/m3)
PM - 10 98.1 (µg/m3)
SO2 .71 (µg/m3)
CO 0.76 (mg/m3)
NO2 1.93 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
20-04-2026 00:07:05
PM - 2.5 .1 (µg/m3)
PM - 10 0 (µg/m3)
SO2 5 (µg/m3)
CO 0.44 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
20-04-2026 00:04:06
PM - 2.5 48.75 (µg/m3)
PM - 10 83.86 (µg/m3)
SO2 9.36 (µg/m3)
CO 0.26 (mg/m3)
NO2 2.82 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
20-04-2026 00:01:22
PM - 2.5 2147483.75 (µg/m3)
PM - 10 61.1 (µg/m3)
SO2 7.96 (µg/m3)
CO 0.53 (mg/m3)
NO2 16.78 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
20-04-2026 00:13:05
PM - 2.5 39 (µg/m3)
PM - 10 69 (µg/m3)
SO2 9.7 (µg/m3)
CO 0.43 (mg/m3)
NO2 10.8 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
20-04-2026 00:00:48
PM - 2.5 28 (µg/m3)
PM - 10 (µg/m3)
SO2 31.33 (µg/m3)
CO 0.52 (mg/m3)
NO2 40.63 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
20-04-2026 00:13:04
PM - 2.5 81.4 (µg/m3)
PM - 10 108.3 (µg/m3)
SO2 19.29 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
20-04-2026 00:01:27
PM - 2.5 19.59 (µg/m3)
PM - 10 22.38 (µg/m3)
SO2 0 (µg/m3)
CO 0.64 (mg/m3)
NO2 1.93 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
20-04-2026 00:13:06
PM - 2.5 51.55 (µg/m3)
PM - 10 174.98 (µg/m3)
SO2 20.07 (µg/m3)
CO 5.86 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
20-04-2026 00:00:58
PM - 2.5 39.82 (µg/m3)
PM - 10 85.96 (µg/m3)
SO2 40.33 (µg/m3)
CO 0.47 (mg/m3)
NO2 20.95 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
20-04-2026 00:12:58
PM - 2.5 40 (µg/m3)
PM - 10 82 (µg/m3)
SO2 4.8 (µg/m3)
CO 0.90 (mg/m3)
NO2 41.1 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
20-04-2026 00:13:00
PM - 2.5 80.84 (µg/m3)
PM - 10 239.35 (µg/m3)
SO2 13.5 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
20-04-2026 00:00:55
PM - 2.5 2.25 (µg/m3)
PM - 10 (µg/m3)
SO2 5.24 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
20-04-2026 00:12:53
PM - 2.5 37 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.7 (µg/m3)
CO 0.87 (mg/m3)
NO2 17.8 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
20-04-2026 00:13:06
PM - 2.5 18 (µg/m3)
PM - 10 28 (µg/m3)
SO2 5.1 (µg/m3)
CO 0.33 (mg/m3)
NO2 25.6 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
20-04-2026 00:12:52
PM - 2.5 79.68 (µg/m3)
PM - 10 154.42 (µg/m3)
SO2 7.99 (µg/m3)
CO 3.26 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
20-04-2026 00:13:05
PM - 2.5 65.2 (µg/m3)
PM - 10 145.7 (µg/m3)
SO2 21.18 (µg/m3)
CO 3.72 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
20-04-2026 00:00:52
PM - 2.5 .61 (µg/m3)
PM - 10 (µg/m3)
SO2 985.31 (µg/m3)
CO 0.00 (mg/m3)
NO2 59.02 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
20-04-2026 00:13:04
PM - 2.5 143.2 (µg/m3)
PM - 10 613.3 (µg/m3)
SO2 6.32 (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
20-04-2026 00:13:02
PM - 2.5 232.05 (µg/m3)
PM - 10 658.91 (µg/m3)
SO2 35.69 (µg/m3)
CO 3.77 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
20-04-2026 00:13:06
PM - 2.5 11.57 (µg/m3)
PM - 10 15.32 (µg/m3)
SO2 2.14 (µg/m3)
CO 0.17 (mg/m3)
NO2 1.73 (µg/m3)
Northern Coalfields Limited
NCL_CETI
20-04-2026 00:03:18
PM - 2.5 73.94 (µg/m3)
PM - 10 127.49 (µg/m3)
SO2 32.68 (µg/m3)
CO 4.07 (mg/m3)
NO2 33.65 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
20-04-2026 00:00:30
PM - 2.5 48.9 (µg/m3)
PM - 10 98.1 (µg/m3)
SO2 .71 (µg/m3)
CO 0.76 (mg/m3)
NO2 1.93 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
20-04-2026 00:07:05
PM - 2.5 .1 (µg/m3)
PM - 10 0 (µg/m3)
SO2 5 (µg/m3)
CO 0.44 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
20-04-2026 00:04:06
PM - 2.5 48.75 (µg/m3)
PM - 10 83.86 (µg/m3)
SO2 9.36 (µg/m3)
CO 0.26 (mg/m3)
NO2 2.82 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
20-04-2026 00:01:22
PM - 2.5 2147483.75 (µg/m3)
PM - 10 61.1 (µg/m3)
SO2 7.96 (µg/m3)
CO 0.53 (mg/m3)
NO2 16.78 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
20-04-2026 00:13:05
PM - 2.5 39 (µg/m3)
PM - 10 69 (µg/m3)
SO2 9.7 (µg/m3)
CO 0.43 (mg/m3)
NO2 10.8 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
20-04-2026 00:00:48
PM - 2.5 28 (µg/m3)
PM - 10 (µg/m3)
SO2 31.33 (µg/m3)
CO 0.52 (mg/m3)
NO2 40.63 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
20-04-2026 00:13:04
PM - 2.5 81.4 (µg/m3)
PM - 10 108.3 (µg/m3)
SO2 19.29 (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	79.15
20-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	60	65.17
20-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	245.49
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	161.59
20-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	147.68
20-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	659.49

1 - 3

CAAQMS Data

1 - 10 of 77

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 00:13	19-APR-2026 18:39	65.20	145.70	21.18	-	3.72	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 00:13	19-APR-2026 18:42	232.05	658.91	35.69	-	3.77	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	20-APR-2026 00:12	19-APR-2026 18:41	79.68	154.42	7.99	-	3.26	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	20-APR-2026 00:12	19-APR-2026 18:38	65.37	145.70	21.46	-	3.72	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 00:12	19-APR-2026 18:42	233.55	659.49	32.79	-	3.76	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	20-APR-2026 00:12	19-APR-2026 18:40	79.54	154.74	7.59	-	3.23	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	20-APR-2026 00:12	19-APR-2026 18:38	65.46	145.70	21.05	-	3.73	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 00:12	19-APR-2026 18:41	234.88	659.87	34.15	-	3.80	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	20-APR-2026 00:11	19-APR-2026 18:40	79.14	155.39	7.43	-	3.25	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	20-APR-2026 00:11	19-APR-2026 18:37	65.59	145.70	21.05	-	3.74	site_5720	Thermo Fisher Scientific India Private Limited

1 - 10 of 77

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