Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 05:31:59
PM - 2.5 94.08 (µg/m3)
PM - 10 331.03 (µg/m3)
SO2 5.59 (µg/m3)
CO 1.62 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 05:30:03
PM - 2.5 22.19 (µg/m3)
PM - 10 87.83 (µg/m3)
SO2 0 (µg/m3)
CO 0.30 (mg/m3)
NO2 12.94 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 05:31:46
PM - 2.5 6 (µg/m3)
PM - 10 11 (µg/m3)
SO2 4.5 (µg/m3)
CO 0.00 (mg/m3)
NO2 19.2 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 05:32:00
PM - 2.5 83.74 (µg/m3)
PM - 10 136.81 (µg/m3)
SO2 4.12 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 05:30:42
PM - 2.5 2.29 (µg/m3)
PM - 10 (µg/m3)
SO2 5.55 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 05:31:42
PM - 2.5 15 (µg/m3)
PM - 10 22 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.35 (mg/m3)
NO2 21.2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 05:31:38
PM - 2.5 47.68 (µg/m3)
PM - 10 72.65 (µg/m3)
SO2 21.76 (µg/m3)
CO 2.15 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 05:30:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 985.87 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 05:31:35
PM - 2.5 52.82 (µg/m3)
PM - 10 140.4 (µg/m3)
SO2 .95 (µg/m3)
CO 0.54 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
12-04-2026 05:31:38
PM - 2.5 79.57 (µg/m3)
PM - 10 171.26 (µg/m3)
SO2 21.37 (µg/m3)
CO 2.57 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 05:18:16
PM - 2.5 110.81 (µg/m3)
PM - 10 191.06 (µg/m3)
SO2 18.55 (µg/m3)
CO 4.14 (mg/m3)
NO2 19.47 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 05:30:52
PM - 2.5 54.5 (µg/m3)
PM - 10 197.9 (µg/m3)
SO2 .41 (µg/m3)
CO 0.66 (mg/m3)
NO2 2.88 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 05:22:00
PM - 2.5 43.7 (µg/m3)
PM - 10 61.96 (µg/m3)
SO2 12.64 (µg/m3)
CO 0.27 (mg/m3)
NO2 5.55 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 05:19:18
PM - 2.5 54.35 (µg/m3)
PM - 10 92.44 (µg/m3)
SO2 10.87 (µg/m3)
CO 0.51 (mg/m3)
NO2 4.83 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 05:17:31
PM - 2.5 0 (µg/m3)
PM - 10 52.58 (µg/m3)
SO2 7.32 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.38 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 05:31:57
PM - 2.5 32 (µg/m3)
PM - 10 56 (µg/m3)
SO2 5.1 (µg/m3)
CO 1.39 (mg/m3)
NO2 3.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 05:30:36
PM - 2.5 10.04 (µg/m3)
PM - 10 (µg/m3)
SO2 6.87 (µg/m3)
CO 0.16 (mg/m3)
NO2 27.86 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 05:31:34
PM - 2.5 73.4 (µg/m3)
PM - 10 92.71 (µg/m3)
SO2 19.35 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 05:31:59
PM - 2.5 94.08 (µg/m3)
PM - 10 331.03 (µg/m3)
SO2 5.59 (µg/m3)
CO 1.62 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 05:30:03
PM - 2.5 22.19 (µg/m3)
PM - 10 87.83 (µg/m3)
SO2 0 (µg/m3)
CO 0.30 (mg/m3)
NO2 12.94 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 05:31:46
PM - 2.5 6 (µg/m3)
PM - 10 11 (µg/m3)
SO2 4.5 (µg/m3)
CO 0.00 (mg/m3)
NO2 19.2 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 05:32:00
PM - 2.5 83.74 (µg/m3)
PM - 10 136.81 (µg/m3)
SO2 4.12 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 05:30:42
PM - 2.5 2.29 (µg/m3)
PM - 10 (µg/m3)
SO2 5.55 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 05:31:42
PM - 2.5 15 (µg/m3)
PM - 10 22 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.35 (mg/m3)
NO2 21.2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 05:31:38
PM - 2.5 47.68 (µg/m3)
PM - 10 72.65 (µg/m3)
SO2 21.76 (µg/m3)
CO 2.15 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 05:30:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 985.87 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 05:31:35
PM - 2.5 52.82 (µg/m3)
PM - 10 140.4 (µg/m3)
SO2 .95 (µg/m3)
CO 0.54 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
12-04-2026 05:31:38
PM - 2.5 79.57 (µg/m3)
PM - 10 171.26 (µg/m3)
SO2 21.37 (µg/m3)
CO 2.57 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 05:18:16
PM - 2.5 110.81 (µg/m3)
PM - 10 191.06 (µg/m3)
SO2 18.55 (µg/m3)
CO 4.14 (mg/m3)
NO2 19.47 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 05:30:52
PM - 2.5 54.5 (µg/m3)
PM - 10 197.9 (µg/m3)
SO2 .41 (µg/m3)
CO 0.66 (mg/m3)
NO2 2.88 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 05:22:00
PM - 2.5 43.7 (µg/m3)
PM - 10 61.96 (µg/m3)
SO2 12.64 (µg/m3)
CO 0.27 (mg/m3)
NO2 5.55 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 05:19:18
PM - 2.5 54.35 (µg/m3)
PM - 10 92.44 (µg/m3)
SO2 10.87 (µg/m3)
CO 0.51 (mg/m3)
NO2 4.83 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 05:17:31
PM - 2.5 0 (µg/m3)
PM - 10 52.58 (µg/m3)
SO2 7.32 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.38 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 05:31:57
PM - 2.5 32 (µg/m3)
PM - 10 56 (µg/m3)
SO2 5.1 (µg/m3)
CO 1.39 (mg/m3)
NO2 3.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 05:30:36
PM - 2.5 10.04 (µg/m3)
PM - 10 (µg/m3)
SO2 6.87 (µg/m3)
CO 0.16 (mg/m3)
NO2 27.86 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 05:31:34
PM - 2.5 73.4 (µg/m3)
PM - 10 92.71 (µg/m3)
SO2 19.35 (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 Saraipali Opencast Coal Mine	60	61.89
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	141.01

1 - 2

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	120.29
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	265.83

1 - 2

CAAQMS Data

1 - 10 of 1,405

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	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 05:31	11-APR-2026 23:57	47.68	72.65	21.76	-	2.15	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 05:31	12-APR-2026 00:01	79.57	171.26	21.37	-	2.57	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 05:31	11-APR-2026 23:57	47.57	72.99	21.55	-	2.17	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 05:31	12-APR-2026 00:01	79.60	171.48	24.01	-	2.57	site_5664	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 05:30	12-APR-2026 00:00	79.64	171.65	21.00	-	2.57	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 05:30	11-APR-2026 23:56	47.44	73.36	21.49	-	2.18	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Bilaspur, CHHATTISGARHr	South Eastern Coalfields Limited - AQMS_H_Q	12-APR-2026 05:30	11-APR-2026 23:59	10.04	-	6.87	27.86	0.16	site_5592	Swan Environ
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 05:30	11-APR-2026 23:56	47.24	73.68	21.25	-	2.18	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 05:30	12-APR-2026 00:00	79.58	171.83	22.21	-	2.61	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 05:29	11-APR-2026 23:55	47.03	73.90	20.93	-	2.19	site_5720	Thermo Fisher Scientific India Private Limited

1 - 10 of 1,405

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