Subsidiary wise

Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 09:00:22
PM - 2.5 50.08 (µg/m3)
PM - 10 90.09 (µg/m3)
SO2 0 (µg/m3)
CO 0.61 (mg/m3)
NO2 14.79 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 09:02:14
PM - 2.5 76 (µg/m3)
PM - 10 38 (µg/m3)
SO2 4.9 (µg/m3)
CO 5.22 (mg/m3)
NO2 18.9 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 09:02:16
PM - 2.5 84.45 (µg/m3)
PM - 10 274.8 (µg/m3)
SO2 7.81 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 09:00:05
PM - 2.5 2.29 (µg/m3)
PM - 10 (µg/m3)
SO2 5.43 (µg/m3)
CO ##### (mg/m3)
NO2 .63 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
12-04-2026 09:02:16
PM - 2.5 7 (µg/m3)
PM - 10 12 (µg/m3)
SO2 7.5 (µg/m3)
CO 0.04 (mg/m3)
NO2 2.2 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
12-04-2026 09:02:14
PM - 2.5 20 (µg/m3)
PM - 10 38 (µg/m3)
SO2 9.5 (µg/m3)
CO 0.78 (mg/m3)
NO2 17.2 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 09:02:12
PM - 2.5 33 (µg/m3)
PM - 10 22 (µg/m3)
SO2 7.1 (µg/m3)
CO 0.59 (mg/m3)
NO2 20.7 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 09:02:12
PM - 2.5 29.11 (µg/m3)
PM - 10 72.09 (µg/m3)
SO2 19.65 (µg/m3)
CO 0.69 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 09:00:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.51 (mg/m3)
NO2 74.88 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 09:02:06
PM - 2.5 52.63 (µg/m3)
PM - 10 152.3 (µg/m3)
SO2 16.94 (µg/m3)
CO 0.53 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
12-04-2026 09:01:58
PM - 2.5 54.87 (µg/m3)
PM - 10 151.7 (µg/m3)
SO2 25.04 (µg/m3)
CO 2.18 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 08:48:14
PM - 2.5 190.7 (µg/m3)
PM - 10 328.8 (µg/m3)
SO2 60.83 (µg/m3)
CO 4.95 (mg/m3)
NO2 22.96 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 09:00:13
PM - 2.5 181.3 (µg/m3)
PM - 10 1000 (µg/m3)
SO2 .89 (µg/m3)
CO 1.46 (mg/m3)
NO2 3.43 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 08:52:21
PM - 2.5 59.6 (µg/m3)
PM - 10 103.64 (µg/m3)
SO2 13.69 (µg/m3)
CO 0.48 (mg/m3)
NO2 9.21 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 08:49:20
PM - 2.5 52.9 (µg/m3)
PM - 10 90.23 (µg/m3)
SO2 10.48 (µg/m3)
CO 0.44 (mg/m3)
NO2 4.31 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 08:47:31
PM - 2.5 0 (µg/m3)
PM - 10 80.6 (µg/m3)
SO2 6.88 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.36 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 09:01:57
PM - 2.5 36 (µg/m3)
PM - 10 64 (µg/m3)
SO2 4.6 (µg/m3)
CO 0.65 (mg/m3)
NO2 3.7 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 09:00:04
PM - 2.5 15.28 (µg/m3)
PM - 10 (µg/m3)
SO2 12.36 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 09:02:07
PM - 2.5 42.62 (µg/m3)
PM - 10 56.13 (µg/m3)
SO2 13.83 (µg/m3)
CO ##### (mg/m3)
NO2 22.65 (µg/m3)

Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 09:00:22
PM - 2.5 50.08 (µg/m3)
PM - 10 90.09 (µg/m3)
SO2 0 (µg/m3)
CO 0.61 (mg/m3)
NO2 14.79 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 09:02:14
PM - 2.5 76 (µg/m3)
PM - 10 38 (µg/m3)
SO2 4.9 (µg/m3)
CO 5.22 (mg/m3)
NO2 18.9 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 09:02:16
PM - 2.5 84.45 (µg/m3)
PM - 10 274.8 (µg/m3)
SO2 7.81 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 09:00:05
PM - 2.5 2.29 (µg/m3)
PM - 10 (µg/m3)
SO2 5.43 (µg/m3)
CO ##### (mg/m3)
NO2 .63 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
12-04-2026 09:02:16
PM - 2.5 7 (µg/m3)
PM - 10 12 (µg/m3)
SO2 7.5 (µg/m3)
CO 0.04 (mg/m3)
NO2 2.2 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
12-04-2026 09:02:14
PM - 2.5 20 (µg/m3)
PM - 10 38 (µg/m3)
SO2 9.5 (µg/m3)
CO 0.78 (mg/m3)
NO2 17.2 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 09:02:12
PM - 2.5 33 (µg/m3)
PM - 10 22 (µg/m3)
SO2 7.1 (µg/m3)
CO 0.59 (mg/m3)
NO2 20.7 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 09:02:12
PM - 2.5 29.11 (µg/m3)
PM - 10 72.09 (µg/m3)
SO2 19.65 (µg/m3)
CO 0.69 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 09:00:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.51 (mg/m3)
NO2 74.88 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 09:02:06
PM - 2.5 52.63 (µg/m3)
PM - 10 152.3 (µg/m3)
SO2 16.94 (µg/m3)
CO 0.53 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
12-04-2026 09:01:58
PM - 2.5 54.87 (µg/m3)
PM - 10 151.7 (µg/m3)
SO2 25.04 (µg/m3)
CO 2.18 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 08:48:14
PM - 2.5 190.7 (µg/m3)
PM - 10 328.8 (µg/m3)
SO2 60.83 (µg/m3)
CO 4.95 (mg/m3)
NO2 22.96 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 09:00:13
PM - 2.5 181.3 (µg/m3)
PM - 10 1000 (µg/m3)
SO2 .89 (µg/m3)
CO 1.46 (mg/m3)
NO2 3.43 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 08:52:21
PM - 2.5 59.6 (µg/m3)
PM - 10 103.64 (µg/m3)
SO2 13.69 (µg/m3)
CO 0.48 (mg/m3)
NO2 9.21 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 08:49:20
PM - 2.5 52.9 (µg/m3)
PM - 10 90.23 (µg/m3)
SO2 10.48 (µg/m3)
CO 0.44 (mg/m3)
NO2 4.31 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 08:47:31
PM - 2.5 0 (µg/m3)
PM - 10 80.6 (µg/m3)
SO2 6.88 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.36 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 09:01:57
PM - 2.5 36 (µg/m3)
PM - 10 64 (µg/m3)
SO2 4.6 (µg/m3)
CO 0.65 (mg/m3)
NO2 3.7 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 09:00:04
PM - 2.5 15.28 (µg/m3)
PM - 10 (µg/m3)
SO2 12.36 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 09:02:07
PM - 2.5 42.62 (µg/m3)
PM - 10 56.13 (µg/m3)
SO2 13.83 (µg/m3)
CO ##### (mg/m3)
NO2 22.65 (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	112.86

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	114.64
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	232.68

1 - 2

CAAQMS Data

1 - 10 of 2,281

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 09:02	12-APR-2026 03:28	29.11	72.09	19.65	-	0.69	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 09:01	12-APR-2026 03:31	54.87	151.70	25.04	-	2.18	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 09:01	12-APR-2026 03:28	29.47	72.57	20.02	-	0.70	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 09:01	12-APR-2026 03:31	55.26	152.35	23.18	-	2.18	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 09:01	12-APR-2026 03:27	29.81	72.93	20.27	-	0.70	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 09:00	12-APR-2026 03:30	55.52	152.45	24.41	-	2.20	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 09:00	12-APR-2026 03:27	30.24	73.33	20.22	-	0.71	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 09:00	12-APR-2026 03:26	30.71	73.82	20.33	-	0.70	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Bilaspur, CHHATTISGARHr	South Eastern Coalfields Limited - AQMS_H_Q	12-APR-2026 09:00	12-APR-2026 03:29	15.28	-	12.36	0.00	0.00	site_5592	Swan Environ
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 08:59	12-APR-2026 03:26	31.13	74.31	20.53	-	0.72	site_5720	Thermo Fisher Scientific India Private Limited

1 - 10 of 2,281

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