Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 01:30:59
PM - 2.5 65.59 (µg/m3)
PM - 10 224.87 (µg/m3)
SO2 3.72 (µg/m3)
CO 1.53 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 01:30:59
PM - 2.5 20.67 (µg/m3)
PM - 10 68.8 (µg/m3)
SO2 0 (µg/m3)
CO 0.19 (mg/m3)
NO2 15.2 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 01:30:58
PM - 2.5 5 (µg/m3)
PM - 10 9 (µg/m3)
SO2 4.4 (µg/m3)
CO 0.02 (mg/m3)
NO2 19.2 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 01:31:08
PM - 2.5 119.9 (µg/m3)
PM - 10 386.14 (µg/m3)
SO2 11.2 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 01:30:42
PM - 2.5 2.26 (µg/m3)
PM - 10 (µg/m3)
SO2 5.44 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 01:31:07
PM - 2.5 5 (µg/m3)
PM - 10 8 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.33 (mg/m3)
NO2 20.2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 01:31:04
PM - 2.5 56.11 (µg/m3)
PM - 10 150.1 (µg/m3)
SO2 20.32 (µg/m3)
CO 0.90 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 01:30:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.69 (mg/m3)
NO2 8.84 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 01:31:05
PM - 2.5 87.03 (µg/m3)
PM - 10 374.6 (µg/m3)
SO2 1.01 (µg/m3)
CO 0.55 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
12-04-2026 01:30:49
PM - 2.5 428.3 (µg/m3)
PM - 10 232.22 (µg/m3)
SO2 22.68 (µg/m3)
CO 2.87 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 01:18:14
PM - 2.5 109.54 (µg/m3)
PM - 10 188.87 (µg/m3)
SO2 20.65 (µg/m3)
CO 3.77 (mg/m3)
NO2 20.1 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 01:30:47
PM - 2.5 45.8 (µg/m3)
PM - 10 139 (µg/m3)
SO2 .65 (µg/m3)
CO 0.66 (mg/m3)
NO2 2.6 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 01:22:00
PM - 2.5 55.6 (µg/m3)
PM - 10 93.23 (µg/m3)
SO2 12.68 (µg/m3)
CO 0.43 (mg/m3)
NO2 8.3 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 01:19:17
PM - 2.5 50.97 (µg/m3)
PM - 10 87.26 (µg/m3)
SO2 9.96 (µg/m3)
CO 0.36 (mg/m3)
NO2 3.62 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 01:17:31
PM - 2.5 0 (µg/m3)
PM - 10 62.62 (µg/m3)
SO2 7.14 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.4 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 01:30:57
PM - 2.5 69 (µg/m3)
PM - 10 124 (µg/m3)
SO2 4.8 (µg/m3)
CO 2.93 (mg/m3)
NO2 3.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 01:30:29
PM - 2.5 16.96 (µg/m3)
PM - 10 (µg/m3)
SO2 13.8 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 01:30:59
PM - 2.5 145.76 (µg/m3)
PM - 10 193.34 (µg/m3)
SO2 35.85 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 01:30:59
PM - 2.5 65.59 (µg/m3)
PM - 10 224.87 (µg/m3)
SO2 3.72 (µg/m3)
CO 1.53 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 01:30:59
PM - 2.5 20.67 (µg/m3)
PM - 10 68.8 (µg/m3)
SO2 0 (µg/m3)
CO 0.19 (mg/m3)
NO2 15.2 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 01:30:58
PM - 2.5 5 (µg/m3)
PM - 10 9 (µg/m3)
SO2 4.4 (µg/m3)
CO 0.02 (mg/m3)
NO2 19.2 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 01:31:08
PM - 2.5 119.9 (µg/m3)
PM - 10 386.14 (µg/m3)
SO2 11.2 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 01:30:42
PM - 2.5 2.26 (µg/m3)
PM - 10 (µg/m3)
SO2 5.44 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 01:31:07
PM - 2.5 5 (µg/m3)
PM - 10 8 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.33 (mg/m3)
NO2 20.2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 01:31:04
PM - 2.5 56.11 (µg/m3)
PM - 10 150.1 (µg/m3)
SO2 20.32 (µg/m3)
CO 0.90 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 01:30:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.69 (mg/m3)
NO2 8.84 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 01:31:05
PM - 2.5 87.03 (µg/m3)
PM - 10 374.6 (µg/m3)
SO2 1.01 (µg/m3)
CO 0.55 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
12-04-2026 01:30:49
PM - 2.5 428.3 (µg/m3)
PM - 10 232.22 (µg/m3)
SO2 22.68 (µg/m3)
CO 2.87 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 01:18:14
PM - 2.5 109.54 (µg/m3)
PM - 10 188.87 (µg/m3)
SO2 20.65 (µg/m3)
CO 3.77 (mg/m3)
NO2 20.1 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 01:30:47
PM - 2.5 45.8 (µg/m3)
PM - 10 139 (µg/m3)
SO2 .65 (µg/m3)
CO 0.66 (mg/m3)
NO2 2.6 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 01:22:00
PM - 2.5 55.6 (µg/m3)
PM - 10 93.23 (µg/m3)
SO2 12.68 (µg/m3)
CO 0.43 (mg/m3)
NO2 8.3 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 01:19:17
PM - 2.5 50.97 (µg/m3)
PM - 10 87.26 (µg/m3)
SO2 9.96 (µg/m3)
CO 0.36 (mg/m3)
NO2 3.62 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 01:17:31
PM - 2.5 0 (µg/m3)
PM - 10 62.62 (µg/m3)
SO2 7.14 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.4 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 01:30:57
PM - 2.5 69 (µg/m3)
PM - 10 124 (µg/m3)
SO2 4.8 (µg/m3)
CO 2.93 (mg/m3)
NO2 3.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 01:30:29
PM - 2.5 16.96 (µg/m3)
PM - 10 (µg/m3)
SO2 13.8 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 01:30:59
PM - 2.5 145.76 (µg/m3)
PM - 10 193.34 (µg/m3)
SO2 35.85 (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)
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	211.74

1 - 1

Record Date	Company name	Mine name	Permissible Limit (µg/m3)	Average PM - 10 (µg/m3)
12-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	188.79
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	454.99

1 - 2

CAAQMS Data

1 - 10 of 390

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	12-APR-2026 01:31	11-APR-2026 19:57	56.11	150.10	20.32	-	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	12-APR-2026 01:30	11-APR-2026 20:00	428.30	232.22	22.68	-	2.87	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 01:30	11-APR-2026 19:56	56.30	151.60	20.17	-	0.91	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Bilaspur, CHHATTISGARHr	South Eastern Coalfields Limited - AQMS_H_Q	12-APR-2026 01:30	11-APR-2026 19:59	16.96	-	13.80	0.00	0.00	site_5592	Swan Environ
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	12-APR-2026 01:30	11-APR-2026 20:00	426.29	233.42	20.86	-	2.89	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 01:30	11-APR-2026 19:56	56.48	153.20	19.73	-	0.92	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	12-APR-2026 01:29	11-APR-2026 19:59	423.54	235.01	21.71	-	2.90	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 01:29	11-APR-2026 19:55	56.68	154.90	20.01	-	0.92	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	12-APR-2026 01:29	11-APR-2026 19:59	420.62	236.71	22.71	-	2.87	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 01:29	11-APR-2026 19:55	56.95	156.50	20.22	-	0.92	site_5720	Thermo Fisher Scientific India Private Limited

1 - 10 of 390

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