Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
19-04-2026 05:29:27
PM - 2.5 36.83 (µg/m3)
PM - 10 127.85 (µg/m3)
SO2 20.7 (µg/m3)
CO 6.94 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
19-04-2026 05:15:27
PM - 2.5 29.02 (µg/m3)
PM - 10 61.74 (µg/m3)
SO2 20.02 (µg/m3)
CO 0.41 (mg/m3)
NO2 6.57 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
19-04-2026 05:29:05
PM - 2.5 26 (µg/m3)
PM - 10 52 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.72 (mg/m3)
NO2 13.3 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
19-04-2026 05:29:10
PM - 2.5 93.56 (µg/m3)
PM - 10 196.09 (µg/m3)
SO2 55.54 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
19-04-2026 05:15:43
PM - 2.5 2.24 (µg/m3)
PM - 10 (µg/m3)
SO2 5.27 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
19-04-2026 05:29:23
PM - 2.5 13 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.8 (µg/m3)
CO 1.04 (mg/m3)
NO2 17.7 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
19-04-2026 05:29:31
PM - 2.5 21 (µg/m3)
PM - 10 31 (µg/m3)
SO2 5.1 (µg/m3)
CO 0.30 (mg/m3)
NO2 23.2 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
19-04-2026 05:29:32
PM - 2.5 116.05 (µg/m3)
PM - 10 128.31 (µg/m3)
SO2 21.07 (µg/m3)
CO 3.04 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
19-04-2026 05:29:10
PM - 2.5 82.01 (µg/m3)
PM - 10 155.2 (µg/m3)
SO2 19.95 (µg/m3)
CO 1.52 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S Ukni Opencast Mine
19-04-2026 05:29:25
PM - 2.5 49.31 (µg/m3)
PM - 10 165.24 (µg/m3)
SO2 17.67 (µg/m3)
CO 2.10 (mg/m3)
NO2 .87 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
19-04-2026 05:15:51
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 983.4 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
19-04-2026 05:29:05
PM - 2.5 73.12 (µg/m3)
PM - 10 196.2 (µg/m3)
SO2 13.21 (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
19-04-2026 05:29:12
PM - 2.5 81 (µg/m3)
PM - 10 164.71 (µg/m3)
SO2 31.49 (µg/m3)
CO 2.43 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
19-04-2026 05:18:18
PM - 2.5 143.68 (µg/m3)
PM - 10 247.72 (µg/m3)
SO2 26.69 (µg/m3)
CO 3.92 (mg/m3)
NO2 33.64 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
19-04-2026 05:15:01
PM - 2.5 53 (µg/m3)
PM - 10 95.5 (µg/m3)
SO2 .07 (µg/m3)
CO 0.58 (mg/m3)
NO2 1.95 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
19-04-2026 05:22:04
PM - 2.5 46.4 (µg/m3)
PM - 10 91.71 (µg/m3)
SO2 18.93 (µg/m3)
CO 0.54 (mg/m3)
NO2 9.52 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
19-04-2026 05:19:01
PM - 2.5 47.73 (µg/m3)
PM - 10 82.29 (µg/m3)
SO2 9.09 (µg/m3)
CO 0.21 (mg/m3)
NO2 2.45 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
19-04-2026 05:16:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 56.81 (µg/m3)
SO2 0 (µg/m3)
CO 0.49 (mg/m3)
NO2 16.65 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
19-04-2026 05:29:27
PM - 2.5 29 (µg/m3)
PM - 10 49 (µg/m3)
SO2 10.4 (µg/m3)
CO 0.52 (mg/m3)
NO2 9.7 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
19-04-2026 05:15:54
PM - 2.5 31.1 (µg/m3)
PM - 10 (µg/m3)
SO2 27.87 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
19-04-2026 05:29:23
PM - 2.5 120.82 (µg/m3)
PM - 10 167.23 (µg/m3)
SO2 143.26 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
19-04-2026 05:29:27
PM - 2.5 36.83 (µg/m3)
PM - 10 127.85 (µg/m3)
SO2 20.7 (µg/m3)
CO 6.94 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
19-04-2026 05:15:27
PM - 2.5 29.02 (µg/m3)
PM - 10 61.74 (µg/m3)
SO2 20.02 (µg/m3)
CO 0.41 (mg/m3)
NO2 6.57 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
19-04-2026 05:29:05
PM - 2.5 26 (µg/m3)
PM - 10 52 (µg/m3)
SO2 4.7 (µg/m3)
CO 0.72 (mg/m3)
NO2 13.3 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
19-04-2026 05:29:10
PM - 2.5 93.56 (µg/m3)
PM - 10 196.09 (µg/m3)
SO2 55.54 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
19-04-2026 05:15:43
PM - 2.5 2.24 (µg/m3)
PM - 10 (µg/m3)
SO2 5.27 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
19-04-2026 05:29:23
PM - 2.5 13 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.8 (µg/m3)
CO 1.04 (mg/m3)
NO2 17.7 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
19-04-2026 05:29:31
PM - 2.5 21 (µg/m3)
PM - 10 31 (µg/m3)
SO2 5.1 (µg/m3)
CO 0.30 (mg/m3)
NO2 23.2 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
19-04-2026 05:29:32
PM - 2.5 116.05 (µg/m3)
PM - 10 128.31 (µg/m3)
SO2 21.07 (µg/m3)
CO 3.04 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
19-04-2026 05:29:10
PM - 2.5 82.01 (µg/m3)
PM - 10 155.2 (µg/m3)
SO2 19.95 (µg/m3)
CO 1.52 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S Ukni Opencast Mine
19-04-2026 05:29:25
PM - 2.5 49.31 (µg/m3)
PM - 10 165.24 (µg/m3)
SO2 17.67 (µg/m3)
CO 2.10 (mg/m3)
NO2 .87 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
19-04-2026 05:15:51
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 983.4 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
19-04-2026 05:29:05
PM - 2.5 73.12 (µg/m3)
PM - 10 196.2 (µg/m3)
SO2 13.21 (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
19-04-2026 05:29:12
PM - 2.5 81 (µg/m3)
PM - 10 164.71 (µg/m3)
SO2 31.49 (µg/m3)
CO 2.43 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
19-04-2026 05:18:18
PM - 2.5 143.68 (µg/m3)
PM - 10 247.72 (µg/m3)
SO2 26.69 (µg/m3)
CO 3.92 (mg/m3)
NO2 33.64 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
19-04-2026 05:15:01
PM - 2.5 53 (µg/m3)
PM - 10 95.5 (µg/m3)
SO2 .07 (µg/m3)
CO 0.58 (mg/m3)
NO2 1.95 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
19-04-2026 05:22:04
PM - 2.5 46.4 (µg/m3)
PM - 10 91.71 (µg/m3)
SO2 18.93 (µg/m3)
CO 0.54 (mg/m3)
NO2 9.52 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
19-04-2026 05:19:01
PM - 2.5 47.73 (µg/m3)
PM - 10 82.29 (µg/m3)
SO2 9.09 (µg/m3)
CO 0.21 (mg/m3)
NO2 2.45 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
19-04-2026 05:16:21
PM - 2.5 2147483.75 (µg/m3)
PM - 10 56.81 (µg/m3)
SO2 0 (µg/m3)
CO 0.49 (mg/m3)
NO2 16.65 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
19-04-2026 05:29:27
PM - 2.5 29 (µg/m3)
PM - 10 49 (µg/m3)
SO2 10.4 (µg/m3)
CO 0.52 (mg/m3)
NO2 9.7 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
19-04-2026 05:15:54
PM - 2.5 31.1 (µg/m3)
PM - 10 (µg/m3)
SO2 27.87 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
19-04-2026 05:29:23
PM - 2.5 120.82 (µg/m3)
PM - 10 167.23 (µg/m3)
SO2 143.26 (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)
19-APR-2026	South Eastern Coalfields Limited	M/S Kanchan OC Coal Mine	60	77.48
19-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	60	88.95
19-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	107.51
19-APR-2026	South Eastern Coalfields Limited	SECL_KUSMUNDA	60	2,147,483.75

1 - 4

Record Date	Company name	Mine name	Permissible Limit (µg/m3)	Average PM - 10 (µg/m3)
19-APR-2026	South Eastern Coalfields Limited	M/S Kanchan OC Coal Mine	100	135.19
19-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	169.54
19-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	275.72

1 - 3

CAAQMS Data

1 - 10 of 2,029

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	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 05:29	18-APR-2026 23:58	116.05	128.31	21.07	-	3.04	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	19-APR-2026 05:29	18-APR-2026 23:59	81.00	164.71	31.49	-	2.43	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	19-APR-2026 05:29	18-APR-2026 23:55	82.01	155.20	19.95	-	1.52	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 05:29	18-APR-2026 23:57	116.69	128.91	21.73	-	3.04	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	19-APR-2026 05:28	18-APR-2026 23:58	80.98	165.08	29.59	-	2.40	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	19-APR-2026 05:28	18-APR-2026 23:54	81.93	155.20	19.84	-	1.53	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 05:28	18-APR-2026 23:57	117.37	129.62	22.14	-	3.07	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	19-APR-2026 05:28	18-APR-2026 23:58	81.19	165.40	30.42	-	2.41	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	19-APR-2026 05:28	18-APR-2026 23:54	81.93	155.20	19.67	-	1.53	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 05:28	18-APR-2026 23:56	117.79	130.08	22.18	-	3.05	site_3509	Thermo Fisher Scientific India Private Limited

1 - 10 of 2,029

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