Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 05:06:00
PM - 2.5 82.36 (µg/m3)
PM - 10 299.25 (µg/m3)
SO2 4.72 (µg/m3)
CO 1.55 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 05:00:16
PM - 2.5 23.67 (µg/m3)
PM - 10 60.18 (µg/m3)
SO2 0 (µg/m3)
CO 0.30 (mg/m3)
NO2 12.94 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 05:06:16
PM - 2.5 6 (µg/m3)
PM - 10 11 (µg/m3)
SO2 4.5 (µg/m3)
CO 0.00 (mg/m3)
NO2 19 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 05:06:11
PM - 2.5 92.51 (µg/m3)
PM - 10 133.26 (µg/m3)
SO2 9.83 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 05:00:05
PM - 2.5 2.29 (µg/m3)
PM - 10 (µg/m3)
SO2 5.54 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 05:06:11
PM - 2.5 15 (µg/m3)
PM - 10 22 (µg/m3)
SO2 6.7 (µg/m3)
CO 0.35 (mg/m3)
NO2 21.2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 05:06:08
PM - 2.5 53.73 (µg/m3)
PM - 10 83.52 (µg/m3)
SO2 24 (µg/m3)
CO 2.82 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 05:00:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.52 (mg/m3)
NO2 180 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 05:06:05
PM - 2.5 59.86 (µg/m3)
PM - 10 148.3 (µg/m3)
SO2 2.73 (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
12-04-2026 05:06:01
PM - 2.5 91.14 (µg/m3)
PM - 10 231.67 (µg/m3)
SO2 23.02 (µg/m3)
CO 2.53 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 05:03:39
PM - 2.5 110.81 (µg/m3)
PM - 10 191.06 (µg/m3)
SO2 21.4 (µg/m3)
CO 3.17 (mg/m3)
NO2 19.32 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 05:00:15
PM - 2.5 58.1 (µg/m3)
PM - 10 217.5 (µg/m3)
SO2 .39 (µg/m3)
CO 0.66 (mg/m3)
NO2 2.74 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 04:52:00
PM - 2.5 44.1 (µg/m3)
PM - 10 62.99 (µg/m3)
SO2 13.57 (µg/m3)
CO 0.28 (mg/m3)
NO2 5.64 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 05:04:18
PM - 2.5 54.28 (µg/m3)
PM - 10 92.34 (µg/m3)
SO2 10.86 (µg/m3)
CO 0.50 (mg/m3)
NO2 4.81 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 05:02:31
PM - 2.5 0 (µg/m3)
PM - 10 64.08 (µg/m3)
SO2 7.53 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.57 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 05:05:57
PM - 2.5 32 (µg/m3)
PM - 10 56 (µg/m3)
SO2 5.1 (µg/m3)
CO 1.59 (mg/m3)
NO2 3.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 05:00:57
PM - 2.5 11.45 (µg/m3)
PM - 10 (µg/m3)
SO2 8.45 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 05:06:02
PM - 2.5 76.11 (µg/m3)
PM - 10 100.12 (µg/m3)
SO2 26.56 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 05:06:00
PM - 2.5 82.36 (µg/m3)
PM - 10 299.25 (µg/m3)
SO2 4.72 (µg/m3)
CO 1.55 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 05:00:16
PM - 2.5 23.67 (µg/m3)
PM - 10 60.18 (µg/m3)
SO2 0 (µg/m3)
CO 0.30 (mg/m3)
NO2 12.94 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 05:06:16
PM - 2.5 6 (µg/m3)
PM - 10 11 (µg/m3)
SO2 4.5 (µg/m3)
CO 0.00 (mg/m3)
NO2 19 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 05:06:11
PM - 2.5 92.51 (µg/m3)
PM - 10 133.26 (µg/m3)
SO2 9.83 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 05:00:05
PM - 2.5 2.29 (µg/m3)
PM - 10 (µg/m3)
SO2 5.54 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 05:06:11
PM - 2.5 15 (µg/m3)
PM - 10 22 (µg/m3)
SO2 6.7 (µg/m3)
CO 0.35 (mg/m3)
NO2 21.2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 05:06:08
PM - 2.5 53.73 (µg/m3)
PM - 10 83.52 (µg/m3)
SO2 24 (µg/m3)
CO 2.82 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 05:00:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.52 (mg/m3)
NO2 180 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 05:06:05
PM - 2.5 59.86 (µg/m3)
PM - 10 148.3 (µg/m3)
SO2 2.73 (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
12-04-2026 05:06:01
PM - 2.5 91.14 (µg/m3)
PM - 10 231.67 (µg/m3)
SO2 23.02 (µg/m3)
CO 2.53 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 05:03:39
PM - 2.5 110.81 (µg/m3)
PM - 10 191.06 (µg/m3)
SO2 21.4 (µg/m3)
CO 3.17 (mg/m3)
NO2 19.32 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 05:00:15
PM - 2.5 58.1 (µg/m3)
PM - 10 217.5 (µg/m3)
SO2 .39 (µg/m3)
CO 0.66 (mg/m3)
NO2 2.74 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 04:52:00
PM - 2.5 44.1 (µg/m3)
PM - 10 62.99 (µg/m3)
SO2 13.57 (µg/m3)
CO 0.28 (mg/m3)
NO2 5.64 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 05:04:18
PM - 2.5 54.28 (µg/m3)
PM - 10 92.34 (µg/m3)
SO2 10.86 (µg/m3)
CO 0.50 (mg/m3)
NO2 4.81 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 05:02:31
PM - 2.5 0 (µg/m3)
PM - 10 64.08 (µg/m3)
SO2 7.53 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.57 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 05:05:57
PM - 2.5 32 (µg/m3)
PM - 10 56 (µg/m3)
SO2 5.1 (µg/m3)
CO 1.59 (mg/m3)
NO2 3.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 05:00:57
PM - 2.5 11.45 (µg/m3)
PM - 10 (µg/m3)
SO2 8.45 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 05:06:02
PM - 2.5 76.11 (µg/m3)
PM - 10 100.12 (µg/m3)
SO2 26.56 (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 Saraipali Opencast Coal Mine	60	63.05
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	146.85

1 - 2

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	123.84
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	272.38

1 - 2

CAAQMS Data

1 - 10 of 1,297

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 05:06	11-APR-2026 23:32	53.73	83.52	24.00	-	2.82	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 05:06	11-APR-2026 23:35	91.14	231.67	23.02	-	2.53	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 05:05	11-APR-2026 23:31	54.32	83.93	23.51	-	2.83	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 05:05	11-APR-2026 23:35	90.83	232.71	21.97	-	2.53	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 05:05	11-APR-2026 23:31	54.89	84.22	23.28	-	2.85	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 05:05	11-APR-2026 23:34	90.45	233.78	22.18	-	2.55	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 05:04	11-APR-2026 23:30	55.41	84.44	23.19	-	2.88	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 05:04	11-APR-2026 23:34	90.09	234.73	21.72	-	2.54	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	12-APR-2026 05:04	12-APR-2026 05:00	54.28	92.34	10.86	4.81	0.50	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 05:04	11-APR-2026 23:30	55.84	84.42	23.29	-	2.90	site_5720	Thermo Fisher Scientific India Private Limited

1 - 10 of 1,297

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