Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 21:05:18
PM - 2.5 35.1 (µg/m3)
PM - 10 75.85 (µg/m3)
SO2 12.6 (µg/m3)
CO 6.94 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 21:00:11
PM - 2.5 25.35 (µg/m3)
PM - 10 70.98 (µg/m3)
SO2 36.61 (µg/m3)
CO 0.24 (mg/m3)
NO2 34.51 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
18-04-2026 21:05:02
PM - 2.5 54 (µg/m3)
PM - 10 108 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.45 (mg/m3)
NO2 11.9 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 21:05:00
PM - 2.5 66.04 (µg/m3)
PM - 10 98.51 (µg/m3)
SO2 6.94 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
18-04-2026 21:00:49
PM - 2.5 2.39 (µg/m3)
PM - 10 (µg/m3)
SO2 5.55 (µg/m3)
CO ##### (mg/m3)
NO2 .32 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 21:05:18
PM - 2.5 23 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.9 (µg/m3)
CO 0.64 (mg/m3)
NO2 17.7 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
18-04-2026 21:05:17
PM - 2.5 30 (µg/m3)
PM - 10 46 (µg/m3)
SO2 5.2 (µg/m3)
CO 0.37 (mg/m3)
NO2 24.8 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 21:05:23
PM - 2.5 56.94 (µg/m3)
PM - 10 366.57 (µg/m3)
SO2 16.56 (µg/m3)
CO 3.66 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 21:05:02
PM - 2.5 22.13 (µg/m3)
PM - 10 250.9 (µg/m3)
SO2 18.66 (µg/m3)
CO 1.52 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S Ukni Opencast Mine
18-04-2026 21:05:17
PM - 2.5 70.04 (µg/m3)
PM - 10 169.74 (µg/m3)
SO2 18.81 (µg/m3)
CO 2.20 (mg/m3)
NO2 .77 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 21:00:50
PM - 2.5 41.05 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.00 (mg/m3)
NO2 984.45 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
18-04-2026 21:05:04
PM - 2.5 132.6 (µg/m3)
PM - 10 560.1 (µg/m3)
SO2 35.06 (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
18-04-2026 21:05:24
PM - 2.5 223.63 (µg/m3)
PM - 10 689.08 (µg/m3)
SO2 28.42 (µg/m3)
CO 3.74 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
18-04-2026 21:03:21
PM - 2.5 71.73 (µg/m3)
PM - 10 123.67 (µg/m3)
SO2 0 (µg/m3)
CO 4.46 (mg/m3)
NO2 33.63 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
18-04-2026 21:00:06
PM - 2.5 63.5 (µg/m3)
PM - 10 170.5 (µg/m3)
SO2 0 (µg/m3)
CO 0.71 (mg/m3)
NO2 1.54 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 20:52:04
PM - 2.5 36.3 (µg/m3)
PM - 10 62.25 (µg/m3)
SO2 17.69 (µg/m3)
CO 0.35 (mg/m3)
NO2 6.51 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 21:03:59
PM - 2.5 52.16 (µg/m3)
PM - 10 89.08 (µg/m3)
SO2 10.28 (µg/m3)
CO 0.41 (mg/m3)
NO2 4.04 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
18-04-2026 21:01:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 57.73 (µg/m3)
SO2 0 (µg/m3)
CO 0.50 (mg/m3)
NO2 16.57 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 21:04:57
PM - 2.5 35 (µg/m3)
PM - 10 62 (µg/m3)
SO2 10.3 (µg/m3)
CO 0.45 (mg/m3)
NO2 10.4 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 21:00:30
PM - 2.5 42.22 (µg/m3)
PM - 10 (µg/m3)
SO2 38.71 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 21:05:15
PM - 2.5 80.54 (µg/m3)
PM - 10 99.09 (µg/m3)
SO2 12.81 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
18-04-2026 21:05:18
PM - 2.5 35.1 (µg/m3)
PM - 10 75.85 (µg/m3)
SO2 12.6 (µg/m3)
CO 6.94 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
18-04-2026 21:00:11
PM - 2.5 25.35 (µg/m3)
PM - 10 70.98 (µg/m3)
SO2 36.61 (µg/m3)
CO 0.24 (mg/m3)
NO2 34.51 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
18-04-2026 21:05:02
PM - 2.5 54 (µg/m3)
PM - 10 108 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.45 (mg/m3)
NO2 11.9 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
18-04-2026 21:05:00
PM - 2.5 66.04 (µg/m3)
PM - 10 98.51 (µg/m3)
SO2 6.94 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
18-04-2026 21:00:49
PM - 2.5 2.39 (µg/m3)
PM - 10 (µg/m3)
SO2 5.55 (µg/m3)
CO ##### (mg/m3)
NO2 .32 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
18-04-2026 21:05:18
PM - 2.5 23 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.9 (µg/m3)
CO 0.64 (mg/m3)
NO2 17.7 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
18-04-2026 21:05:17
PM - 2.5 30 (µg/m3)
PM - 10 46 (µg/m3)
SO2 5.2 (µg/m3)
CO 0.37 (mg/m3)
NO2 24.8 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
18-04-2026 21:05:23
PM - 2.5 56.94 (µg/m3)
PM - 10 366.57 (µg/m3)
SO2 16.56 (µg/m3)
CO 3.66 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
18-04-2026 21:05:02
PM - 2.5 22.13 (µg/m3)
PM - 10 250.9 (µg/m3)
SO2 18.66 (µg/m3)
CO 1.52 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S Ukni Opencast Mine
18-04-2026 21:05:17
PM - 2.5 70.04 (µg/m3)
PM - 10 169.74 (µg/m3)
SO2 18.81 (µg/m3)
CO 2.20 (mg/m3)
NO2 .77 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
18-04-2026 21:00:50
PM - 2.5 41.05 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.00 (mg/m3)
NO2 984.45 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
18-04-2026 21:05:04
PM - 2.5 132.6 (µg/m3)
PM - 10 560.1 (µg/m3)
SO2 35.06 (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
18-04-2026 21:05:24
PM - 2.5 223.63 (µg/m3)
PM - 10 689.08 (µg/m3)
SO2 28.42 (µg/m3)
CO 3.74 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
18-04-2026 21:03:21
PM - 2.5 71.73 (µg/m3)
PM - 10 123.67 (µg/m3)
SO2 0 (µg/m3)
CO 4.46 (mg/m3)
NO2 33.63 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
18-04-2026 21:00:06
PM - 2.5 63.5 (µg/m3)
PM - 10 170.5 (µg/m3)
SO2 0 (µg/m3)
CO 0.71 (mg/m3)
NO2 1.54 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
18-04-2026 20:52:04
PM - 2.5 36.3 (µg/m3)
PM - 10 62.25 (µg/m3)
SO2 17.69 (µg/m3)
CO 0.35 (mg/m3)
NO2 6.51 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
18-04-2026 21:03:59
PM - 2.5 52.16 (µg/m3)
PM - 10 89.08 (µg/m3)
SO2 10.28 (µg/m3)
CO 0.41 (mg/m3)
NO2 4.04 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
18-04-2026 21:01:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 57.73 (µg/m3)
SO2 0 (µg/m3)
CO 0.50 (mg/m3)
NO2 16.57 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
18-04-2026 21:04:57
PM - 2.5 35 (µg/m3)
PM - 10 62 (µg/m3)
SO2 10.3 (µg/m3)
CO 0.45 (mg/m3)
NO2 10.4 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
18-04-2026 21:00:30
PM - 2.5 42.22 (µg/m3)
PM - 10 (µg/m3)
SO2 38.71 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
18-04-2026 21:05:15
PM - 2.5 80.54 (µg/m3)
PM - 10 99.09 (µg/m3)
SO2 12.81 (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)
18-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	76.63
18-APR-2026	South Eastern Coalfields Limited	SECL_KUSMUNDA	60	188,410.81

1 - 2

Record Date	Company name	Mine name	Permissible Limit (µg/m3)	Average PM - 10 (µg/m3)
18-APR-2026	South Eastern Coalfields Limited	M/S Kanchan OC Coal Mine	100	169.48
18-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	113.50
18-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	198.70

1 - 3

CAAQMS Data

1 - 10 of 7,280

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	18-APR-2026 21:05	18-APR-2026 15:35	223.63	689.08	28.42	-	3.74	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 21:05	18-APR-2026 15:33	56.94	366.57	16.56	-	3.66	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 21:05	18-APR-2026 15:31	22.13	250.90	18.66	-	1.52	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 21:04	18-APR-2026 15:33	56.46	364.93	17.33	-	3.67	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	18-APR-2026 21:04	18-APR-2026 15:34	219.32	675.99	29.92	-	3.71	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 21:04	18-APR-2026 15:30	21.52	249.80	18.88	-	1.52	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	18-APR-2026 21:04	18-APR-2026 15:32	56.05	363.00	17.55	-	3.71	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	18-APR-2026 21:04	18-APR-2026 15:34	214.56	662.38	30.89	-	3.69	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	18-APR-2026 21:04	18-APR-2026 15:30	20.82	248.50	18.73	-	1.53	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	18-APR-2026 21:03	18-APR-2026 21:00	52.16	89.08	10.28	4.04	0.41	site_1931	Envea India Pvt Ltd

1 - 10 of 7,280

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