Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
15-04-2026 09:01:29
PM - 2.5 22.17 (µg/m3)
PM - 10 43.82 (µg/m3)
SO2 64.98 (µg/m3)
CO 0.35 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
15-04-2026 09:01:44
PM - 2.5 30.23 (µg/m3)
PM - 10 25.55 (µg/m3)
SO2 27.43 (µg/m3)
CO 4.68 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
15-04-2026 09:00:23
PM - 2.5 30.19 (µg/m3)
PM - 10 86.46 (µg/m3)
SO2 0 (µg/m3)
CO 0.20 (mg/m3)
NO2 9.45 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
15-04-2026 09:01:36
PM - 2.5 27 (µg/m3)
PM - 10 55 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.25 (mg/m3)
NO2 17.5 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
15-04-2026 09:00:05
PM - 2.5 75.56 (µg/m3)
PM - 10 (µg/m3)
SO2 35.74 (µg/m3)
CO 2.24 (mg/m3)
NO2 5.26 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
15-04-2026 09:01:18
PM - 2.5 14 (µg/m3)
PM - 10 24 (µg/m3)
SO2 6.9 (µg/m3)
CO 0.09 (mg/m3)
NO2 2.2 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
15-04-2026 09:01:25
PM - 2.5 17 (µg/m3)
PM - 10 32 (µg/m3)
SO2 10.6 (µg/m3)
CO 0.69 (mg/m3)
NO2 17.9 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
15-04-2026 09:01:37
PM - 2.5 27 (µg/m3)
PM - 10 28 (µg/m3)
SO2 7.2 (µg/m3)
CO 0.49 (mg/m3)
NO2 21.9 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
15-04-2026 09:01:47
PM - 2.5 41.91 (µg/m3)
PM - 10 65.01 (µg/m3)
SO2 21.8 (µg/m3)
CO 1.41 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
15-04-2026 09:01:37
PM - 2.5 64.84 (µg/m3)
PM - 10 148.5 (µg/m3)
SO2 18.35 (µg/m3)
CO 0.52 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
15-04-2026 09:01:59
PM - 2.5 66.89 (µg/m3)
PM - 10 149.66 (µg/m3)
SO2 26.65 (µg/m3)
CO 2.15 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
15-04-2026 08:48:16
PM - 2.5 292.24 (µg/m3)
PM - 10 503.86 (µg/m3)
SO2 54.93 (µg/m3)
CO 4.63 (mg/m3)
NO2 24.73 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
15-04-2026 09:00:22
PM - 2.5 63.8 (µg/m3)
PM - 10 136.3 (µg/m3)
SO2 3.4 (µg/m3)
CO 0.00 (mg/m3)
NO2 1.67 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
15-04-2026 08:52:02
PM - 2.5 39.6 (µg/m3)
PM - 10 73.72 (µg/m3)
SO2 16.54 (µg/m3)
CO 0.44 (mg/m3)
NO2 8.56 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
15-04-2026 08:49:38
PM - 2.5 51.78 (µg/m3)
PM - 10 88.51 (µg/m3)
SO2 10.18 (µg/m3)
CO 0.39 (mg/m3)
NO2 3.91 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
15-04-2026 09:01:40
PM - 2.5 15.5 (µg/m3)
PM - 10 42.26 (µg/m3)
SO2 7.46 (µg/m3)
CO 0.24 (mg/m3)
NO2 13.52 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
15-04-2026 09:01:59
PM - 2.5 32 (µg/m3)
PM - 10 55 (µg/m3)
SO2 10.1 (µg/m3)
CO 0.48 (mg/m3)
NO2 11.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
15-04-2026 09:00:10
PM - 2.5 36.73 (µg/m3)
PM - 10 (µg/m3)
SO2 33.42 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
15-04-2026 09:01:35
PM - 2.5 35.1 (µg/m3)
PM - 10 103.32 (µg/m3)
SO2 20.5 (µg/m3)
CO ##### (mg/m3)
NO2 18.14 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
15-04-2026 09:01:29
PM - 2.5 22.17 (µg/m3)
PM - 10 43.82 (µg/m3)
SO2 64.98 (µg/m3)
CO 0.35 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
15-04-2026 09:01:44
PM - 2.5 30.23 (µg/m3)
PM - 10 25.55 (µg/m3)
SO2 27.43 (µg/m3)
CO 4.68 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
15-04-2026 09:00:23
PM - 2.5 30.19 (µg/m3)
PM - 10 86.46 (µg/m3)
SO2 0 (µg/m3)
CO 0.20 (mg/m3)
NO2 9.45 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
15-04-2026 09:01:36
PM - 2.5 27 (µg/m3)
PM - 10 55 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.25 (mg/m3)
NO2 17.5 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
15-04-2026 09:00:05
PM - 2.5 75.56 (µg/m3)
PM - 10 (µg/m3)
SO2 35.74 (µg/m3)
CO 2.24 (mg/m3)
NO2 5.26 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
15-04-2026 09:01:18
PM - 2.5 14 (µg/m3)
PM - 10 24 (µg/m3)
SO2 6.9 (µg/m3)
CO 0.09 (mg/m3)
NO2 2.2 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
15-04-2026 09:01:25
PM - 2.5 17 (µg/m3)
PM - 10 32 (µg/m3)
SO2 10.6 (µg/m3)
CO 0.69 (mg/m3)
NO2 17.9 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
15-04-2026 09:01:37
PM - 2.5 27 (µg/m3)
PM - 10 28 (µg/m3)
SO2 7.2 (µg/m3)
CO 0.49 (mg/m3)
NO2 21.9 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
15-04-2026 09:01:47
PM - 2.5 41.91 (µg/m3)
PM - 10 65.01 (µg/m3)
SO2 21.8 (µg/m3)
CO 1.41 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
15-04-2026 09:01:37
PM - 2.5 64.84 (µg/m3)
PM - 10 148.5 (µg/m3)
SO2 18.35 (µg/m3)
CO 0.52 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
15-04-2026 09:01:59
PM - 2.5 66.89 (µg/m3)
PM - 10 149.66 (µg/m3)
SO2 26.65 (µg/m3)
CO 2.15 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
15-04-2026 08:48:16
PM - 2.5 292.24 (µg/m3)
PM - 10 503.86 (µg/m3)
SO2 54.93 (µg/m3)
CO 4.63 (mg/m3)
NO2 24.73 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
15-04-2026 09:00:22
PM - 2.5 63.8 (µg/m3)
PM - 10 136.3 (µg/m3)
SO2 3.4 (µg/m3)
CO 0.00 (mg/m3)
NO2 1.67 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
15-04-2026 08:52:02
PM - 2.5 39.6 (µg/m3)
PM - 10 73.72 (µg/m3)
SO2 16.54 (µg/m3)
CO 0.44 (mg/m3)
NO2 8.56 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
15-04-2026 08:49:38
PM - 2.5 51.78 (µg/m3)
PM - 10 88.51 (µg/m3)
SO2 10.18 (µg/m3)
CO 0.39 (mg/m3)
NO2 3.91 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
15-04-2026 09:01:40
PM - 2.5 15.5 (µg/m3)
PM - 10 42.26 (µg/m3)
SO2 7.46 (µg/m3)
CO 0.24 (mg/m3)
NO2 13.52 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
15-04-2026 09:01:59
PM - 2.5 32 (µg/m3)
PM - 10 55 (µg/m3)
SO2 10.1 (µg/m3)
CO 0.48 (mg/m3)
NO2 11.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
15-04-2026 09:00:10
PM - 2.5 36.73 (µg/m3)
PM - 10 (µg/m3)
SO2 33.42 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
15-04-2026 09:01:35
PM - 2.5 35.1 (µg/m3)
PM - 10 103.32 (µg/m3)
SO2 20.5 (µg/m3)
CO ##### (mg/m3)
NO2 18.14 (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)
15-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	60	92.48
15-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	83.50

1 - 2

Record Date	Company name	Mine name	Permissible Limit (µg/m3)	Average PM - 10 (µg/m3)
15-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	167.25
15-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	203.31

1 - 2

CAAQMS Data

1 - 10 of 2,302

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	15-APR-2026 09:01	15-APR-2026 03:31	66.89	149.66	26.65	-	2.15	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	15-APR-2026 09:01	15-APR-2026 03:28	41.91	65.01	21.80	-	1.41	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL,Kusmunda	SECL_KUSMUNDA	15-APR-2026 09:01	15-APR-2026 09:00	15.50	42.26	7.46	13.52	0.24	site_1963	Envea India Pvt Ltd
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	15-APR-2026 09:01	15-APR-2026 03:31	66.89	149.94	23.26	-	2.13	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	15-APR-2026 09:01	15-APR-2026 03:27	41.86	65.07	22.04	-	1.42	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	15-APR-2026 09:00	15-APR-2026 03:30	66.77	150.13	25.15	-	2.11	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	15-APR-2026 09:00	15-APR-2026 03:27	41.77	65.08	21.83	-	1.42	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	15-APR-2026 09:00	15-APR-2026 03:26	41.64	64.99	21.65	-	1.43	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Bilaspur, CHHATTISGARHr	South Eastern Coalfields Limited - AQMS_H_Q	15-APR-2026 09:00	15-APR-2026 03:29	36.73	-	33.42	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	15-APR-2026 08:59	15-APR-2026 03:29	67.35	154.35	25.80	-	2.17	site_5664	Thermo Fisher Scientific India Private Limited

1 - 10 of 2,302

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