Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 01:47:00
PM - 2.5 77.13 (µg/m3)
PM - 10 218.66 (µg/m3)
SO2 6.02 (µg/m3)
CO 1.48 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 01:45:52
PM - 2.5 20.67 (µg/m3)
PM - 10 68.8 (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 01:46:43
PM - 2.5 5 (µg/m3)
PM - 10 9 (µg/m3)
SO2 4.4 (µg/m3)
CO 0.01 (mg/m3)
NO2 19.4 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 01:47:09
PM - 2.5 125.55 (µg/m3)
PM - 10 357.54 (µg/m3)
SO2 10.39 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 01:45:31
PM - 2.5 2.26 (µg/m3)
PM - 10 (µg/m3)
SO2 5.45 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 01:47:09
PM - 2.5 5 (µg/m3)
PM - 10 8 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.33 (mg/m3)
NO2 20.5 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 01:47:04
PM - 2.5 47.09 (µg/m3)
PM - 10 103.1 (µg/m3)
SO2 19.72 (µg/m3)
CO 0.88 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 01:45:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.34 (mg/m3)
NO2 9.34 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 01:47:06
PM - 2.5 68.28 (µg/m3)
PM - 10 267 (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 01:47:14
PM - 2.5 395.17 (µg/m3)
PM - 10 213.24 (µg/m3)
SO2 23.6 (µg/m3)
CO 2.84 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 01:33:12
PM - 2.5 109.54 (µg/m3)
PM - 10 188.87 (µg/m3)
SO2 23.11 (µg/m3)
CO 3.65 (mg/m3)
NO2 19.48 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 01:45:35
PM - 2.5 45.8 (µg/m3)
PM - 10 139 (µg/m3)
SO2 .61 (µg/m3)
CO 0.64 (mg/m3)
NO2 2.67 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 01:37:01
PM - 2.5 56.1 (µg/m3)
PM - 10 94.41 (µg/m3)
SO2 12.71 (µg/m3)
CO 0.43 (mg/m3)
NO2 8.4 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 01:34:18
PM - 2.5 53.21 (µg/m3)
PM - 10 90.7 (µg/m3)
SO2 10.57 (µg/m3)
CO 0.46 (mg/m3)
NO2 4.42 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 01:32:31
PM - 2.5 0 (µg/m3)
PM - 10 39.4 (µg/m3)
SO2 6.79 (µg/m3)
CO 0.42 (mg/m3)
NO2 12.83 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 01:46:58
PM - 2.5 69 (µg/m3)
PM - 10 124 (µg/m3)
SO2 4.9 (µg/m3)
CO 2.60 (mg/m3)
NO2 3.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 01:45:19
PM - 2.5 16.5 (µg/m3)
PM - 10 (µg/m3)
SO2 13.33 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 01:46:58
PM - 2.5 159.6 (µg/m3)
PM - 10 215.07 (µg/m3)
SO2 22.44 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 01:47:00
PM - 2.5 77.13 (µg/m3)
PM - 10 218.66 (µg/m3)
SO2 6.02 (µg/m3)
CO 1.48 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 01:45:52
PM - 2.5 20.67 (µg/m3)
PM - 10 68.8 (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 01:46:43
PM - 2.5 5 (µg/m3)
PM - 10 9 (µg/m3)
SO2 4.4 (µg/m3)
CO 0.01 (mg/m3)
NO2 19.4 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 01:47:09
PM - 2.5 125.55 (µg/m3)
PM - 10 357.54 (µg/m3)
SO2 10.39 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 01:45:31
PM - 2.5 2.26 (µg/m3)
PM - 10 (µg/m3)
SO2 5.45 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 01:47:09
PM - 2.5 5 (µg/m3)
PM - 10 8 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.33 (mg/m3)
NO2 20.5 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 01:47:04
PM - 2.5 47.09 (µg/m3)
PM - 10 103.1 (µg/m3)
SO2 19.72 (µg/m3)
CO 0.88 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 01:45:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.34 (mg/m3)
NO2 9.34 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 01:47:06
PM - 2.5 68.28 (µg/m3)
PM - 10 267 (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 01:47:14
PM - 2.5 395.17 (µg/m3)
PM - 10 213.24 (µg/m3)
SO2 23.6 (µg/m3)
CO 2.84 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 01:33:12
PM - 2.5 109.54 (µg/m3)
PM - 10 188.87 (µg/m3)
SO2 23.11 (µg/m3)
CO 3.65 (mg/m3)
NO2 19.48 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 01:45:35
PM - 2.5 45.8 (µg/m3)
PM - 10 139 (µg/m3)
SO2 .61 (µg/m3)
CO 0.64 (mg/m3)
NO2 2.67 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 01:37:01
PM - 2.5 56.1 (µg/m3)
PM - 10 94.41 (µg/m3)
SO2 12.71 (µg/m3)
CO 0.43 (mg/m3)
NO2 8.4 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 01:34:18
PM - 2.5 53.21 (µg/m3)
PM - 10 90.7 (µg/m3)
SO2 10.57 (µg/m3)
CO 0.46 (mg/m3)
NO2 4.42 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 01:32:31
PM - 2.5 0 (µg/m3)
PM - 10 39.4 (µg/m3)
SO2 6.79 (µg/m3)
CO 0.42 (mg/m3)
NO2 12.83 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 01:46:58
PM - 2.5 69 (µg/m3)
PM - 10 124 (µg/m3)
SO2 4.9 (µg/m3)
CO 2.60 (mg/m3)
NO2 3.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 01:45:19
PM - 2.5 16.5 (µg/m3)
PM - 10 (µg/m3)
SO2 13.33 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 01:46:58
PM - 2.5 159.6 (µg/m3)
PM - 10 215.07 (µg/m3)
SO2 22.44 (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	223.15

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	179.16
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	373.54

1 - 2

CAAQMS Data

1 - 10 of 458

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 01:47	11-APR-2026 20:17	395.17	213.24	23.60	-	2.84	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 01:47	11-APR-2026 20:13	47.09	103.10	19.72	-	0.88	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 01:46	11-APR-2026 20:16	397.83	213.50	21.11	-	2.81	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 01:46	11-APR-2026 20:12	47.07	104.40	19.53	-	0.88	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 01:46	11-APR-2026 20:16	400.68	213.72	21.70	-	2.84	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 01:46	11-APR-2026 20:12	47.10	105.50	19.53	-	0.88	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 01:45	11-APR-2026 20:15	403.39	214.06	22.64	-	2.84	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 01:45	11-APR-2026 20:11	47.12	106.80	20.09	-	0.88	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Bilaspur, CHHATTISGARHr	South Eastern Coalfields Limited - AQMS_H_Q	12-APR-2026 01:45	11-APR-2026 20:14	16.50	-	13.33	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 01:45	11-APR-2026 20:15	406.26	214.48	22.10	-	2.78	site_5664	Thermo Fisher Scientific India Private Limited

1 - 10 of 458

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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