Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 02:46:59
PM - 2.5 74.41 (µg/m3)
PM - 10 254.99 (µg/m3)
SO2 5.48 (µg/m3)
CO 1.62 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 02:45:22
PM - 2.5 21.68 (µg/m3)
PM - 10 85.57 (µg/m3)
SO2 0 (µg/m3)
CO 0.18 (mg/m3)
NO2 15.4 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 02:46:44
PM - 2.5 7 (µg/m3)
PM - 10 13 (µg/m3)
SO2 4.5 (µg/m3)
CO 0.00 (mg/m3)
NO2 19.4 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 02:47:24
PM - 2.5 88.66 (µg/m3)
PM - 10 198.05 (µg/m3)
SO2 6.94 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 02:45:45
PM - 2.5 2.27 (µg/m3)
PM - 10 (µg/m3)
SO2 5.49 (µg/m3)
CO ##### (mg/m3)
NO2 .35 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 02:47:09
PM - 2.5 7 (µg/m3)
PM - 10 11 (µg/m3)
SO2 6.7 (µg/m3)
CO 0.34 (mg/m3)
NO2 20.7 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 02:47:06
PM - 2.5 77.63 (µg/m3)
PM - 10 125.5 (µg/m3)
SO2 34.96 (µg/m3)
CO 6.55 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 02:45:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 02:47:06
PM - 2.5 60.25 (µg/m3)
PM - 10 151.7 (µg/m3)
SO2 0 (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
12-04-2026 02:47:24
PM - 2.5 139.85 (µg/m3)
PM - 10 176.88 (µg/m3)
SO2 19.53 (µg/m3)
CO 2.67 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 02:33:14
PM - 2.5 128.21 (µg/m3)
PM - 10 221.05 (µg/m3)
SO2 18.93 (µg/m3)
CO 3.78 (mg/m3)
NO2 19.38 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 02:45:51
PM - 2.5 50.1 (µg/m3)
PM - 10 135.7 (µg/m3)
SO2 .64 (µg/m3)
CO 0.62 (mg/m3)
NO2 2.46 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 02:37:00
PM - 2.5 44.5 (µg/m3)
PM - 10 64.16 (µg/m3)
SO2 12.23 (µg/m3)
CO 0.28 (mg/m3)
NO2 5.75 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 02:34:18
PM - 2.5 47.38 (µg/m3)
PM - 10 81.76 (µg/m3)
SO2 9 (µg/m3)
CO 0.20 (mg/m3)
NO2 2.33 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 02:32:31
PM - 2.5 0 (µg/m3)
PM - 10 17.65 (µg/m3)
SO2 7.1 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.51 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 02:47:27
PM - 2.5 65 (µg/m3)
PM - 10 115 (µg/m3)
SO2 5 (µg/m3)
CO 1.68 (mg/m3)
NO2 3.5 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 02:45:35
PM - 2.5 17.33 (µg/m3)
PM - 10 (µg/m3)
SO2 14.1 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 02:46:59
PM - 2.5 82.91 (µg/m3)
PM - 10 133.06 (µg/m3)
SO2 7.86 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 02:46:59
PM - 2.5 74.41 (µg/m3)
PM - 10 254.99 (µg/m3)
SO2 5.48 (µg/m3)
CO 1.62 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 02:45:22
PM - 2.5 21.68 (µg/m3)
PM - 10 85.57 (µg/m3)
SO2 0 (µg/m3)
CO 0.18 (mg/m3)
NO2 15.4 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 02:46:44
PM - 2.5 7 (µg/m3)
PM - 10 13 (µg/m3)
SO2 4.5 (µg/m3)
CO 0.00 (mg/m3)
NO2 19.4 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 02:47:24
PM - 2.5 88.66 (µg/m3)
PM - 10 198.05 (µg/m3)
SO2 6.94 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 02:45:45
PM - 2.5 2.27 (µg/m3)
PM - 10 (µg/m3)
SO2 5.49 (µg/m3)
CO ##### (mg/m3)
NO2 .35 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 02:47:09
PM - 2.5 7 (µg/m3)
PM - 10 11 (µg/m3)
SO2 6.7 (µg/m3)
CO 0.34 (mg/m3)
NO2 20.7 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 02:47:06
PM - 2.5 77.63 (µg/m3)
PM - 10 125.5 (µg/m3)
SO2 34.96 (µg/m3)
CO 6.55 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 02:45:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 02:47:06
PM - 2.5 60.25 (µg/m3)
PM - 10 151.7 (µg/m3)
SO2 0 (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
12-04-2026 02:47:24
PM - 2.5 139.85 (µg/m3)
PM - 10 176.88 (µg/m3)
SO2 19.53 (µg/m3)
CO 2.67 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 02:33:14
PM - 2.5 128.21 (µg/m3)
PM - 10 221.05 (µg/m3)
SO2 18.93 (µg/m3)
CO 3.78 (mg/m3)
NO2 19.38 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 02:45:51
PM - 2.5 50.1 (µg/m3)
PM - 10 135.7 (µg/m3)
SO2 .64 (µg/m3)
CO 0.62 (mg/m3)
NO2 2.46 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 02:37:00
PM - 2.5 44.5 (µg/m3)
PM - 10 64.16 (µg/m3)
SO2 12.23 (µg/m3)
CO 0.28 (mg/m3)
NO2 5.75 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 02:34:18
PM - 2.5 47.38 (µg/m3)
PM - 10 81.76 (µg/m3)
SO2 9 (µg/m3)
CO 0.20 (mg/m3)
NO2 2.33 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 02:32:31
PM - 2.5 0 (µg/m3)
PM - 10 17.65 (µg/m3)
SO2 7.1 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.51 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 02:47:27
PM - 2.5 65 (µg/m3)
PM - 10 115 (µg/m3)
SO2 5 (µg/m3)
CO 1.68 (mg/m3)
NO2 3.5 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 02:45:35
PM - 2.5 17.33 (µg/m3)
PM - 10 (µg/m3)
SO2 14.1 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 02:46:59
PM - 2.5 82.91 (µg/m3)
PM - 10 133.06 (µg/m3)
SO2 7.86 (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 Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	227.48

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	147.35
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	309.77

1 - 2

CAAQMS Data

1 - 10 of 707

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	12-APR-2026 02:47	11-APR-2026 21:17	139.85	176.88	19.53	-	2.67	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 02:47	11-APR-2026 21:13	77.63	125.50	34.96	-	6.55	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 02:46	11-APR-2026 21:16	141.36	177.75	22.55	-	2.71	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 02:46	11-APR-2026 21:12	76.38	124.50	34.99	-	6.45	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 02:46	11-APR-2026 21:16	142.63	178.53	22.19	-	2.70	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 02:46	11-APR-2026 21:12	75.21	123.40	35.25	-	6.38	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 02:45	11-APR-2026 21:15	143.80	179.54	21.73	-	2.67	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 02:45	11-APR-2026 21:11	74.12	122.40	34.69	-	6.28	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Bilaspur, CHHATTISGARHr	South Eastern Coalfields Limited - AQMS_H_Q	12-APR-2026 02:45	11-APR-2026 21:14	17.33	-	14.10	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	12-APR-2026 02:45	11-APR-2026 21:15	144.54	180.29	21.50	-	2.62	site_5664	Thermo Fisher Scientific India Private Limited

1 - 10 of 707

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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