Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 04:16:00
PM - 2.5 98.34 (µg/m3)
PM - 10 353.26 (µg/m3)
SO2 6.86 (µg/m3)
CO 1.66 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 04:15:38
PM - 2.5 23.67 (µg/m3)
PM - 10 60.18 (µg/m3)
SO2 0 (µg/m3)
CO 0.33 (mg/m3)
NO2 17.66 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 04:16:01
PM - 2.5 5 (µg/m3)
PM - 10 9 (µg/m3)
SO2 4.5 (µg/m3)
CO 0.00 (mg/m3)
NO2 19.3 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 04:16:26
PM - 2.5 85.34 (µg/m3)
PM - 10 166.56 (µg/m3)
SO2 5.34 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 04:15:38
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 65.97 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 04:16:10
PM - 2.5 12 (µg/m3)
PM - 10 19 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.35 (mg/m3)
NO2 21 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 04:16:07
PM - 2.5 59.58 (µg/m3)
PM - 10 66.27 (µg/m3)
SO2 23.39 (µg/m3)
CO 4.20 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 04:15:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.21 (mg/m3)
NO2 2.86 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 04:16:04
PM - 2.5 72.46 (µg/m3)
PM - 10 203 (µg/m3)
SO2 0 (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 04:16:05
PM - 2.5 124.23 (µg/m3)
PM - 10 314.21 (µg/m3)
SO2 22.24 (µg/m3)
CO 2.57 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 04:03:28
PM - 2.5 121.48 (µg/m3)
PM - 10 209.45 (µg/m3)
SO2 22.24 (µg/m3)
CO 3.28 (mg/m3)
NO2 19.25 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 04:15:42
PM - 2.5 57 (µg/m3)
PM - 10 217.5 (µg/m3)
SO2 .27 (µg/m3)
CO 0.64 (mg/m3)
NO2 2.65 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 04:07:00
PM - 2.5 52 (µg/m3)
PM - 10 83.8 (µg/m3)
SO2 13.17 (µg/m3)
CO 0.38 (mg/m3)
NO2 7.47 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 04:04:18
PM - 2.5 55.97 (µg/m3)
PM - 10 94.94 (µg/m3)
SO2 11.31 (µg/m3)
CO 0.58 (mg/m3)
NO2 5.42 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 04:02:31
PM - 2.5 0 (µg/m3)
PM - 10 107.75 (µg/m3)
SO2 7.54 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.31 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 04:16:27
PM - 2.5 20 (µg/m3)
PM - 10 35 (µg/m3)
SO2 4.9 (µg/m3)
CO 1.29 (mg/m3)
NO2 3.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 04:15:30
PM - 2.5 14.34 (µg/m3)
PM - 10 (µg/m3)
SO2 11.08 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 04:16:01
PM - 2.5 64.98 (µg/m3)
PM - 10 74.66 (µg/m3)
SO2 21.14 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
12-04-2026 04:16:00
PM - 2.5 98.34 (µg/m3)
PM - 10 353.26 (µg/m3)
SO2 6.86 (µg/m3)
CO 1.66 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
12-04-2026 04:15:38
PM - 2.5 23.67 (µg/m3)
PM - 10 60.18 (µg/m3)
SO2 0 (µg/m3)
CO 0.33 (mg/m3)
NO2 17.66 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
12-04-2026 04:16:01
PM - 2.5 5 (µg/m3)
PM - 10 9 (µg/m3)
SO2 4.5 (µg/m3)
CO 0.00 (mg/m3)
NO2 19.3 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
12-04-2026 04:16:26
PM - 2.5 85.34 (µg/m3)
PM - 10 166.56 (µg/m3)
SO2 5.34 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
12-04-2026 04:15:38
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 65.97 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
12-04-2026 04:16:10
PM - 2.5 12 (µg/m3)
PM - 10 19 (µg/m3)
SO2 6.6 (µg/m3)
CO 0.35 (mg/m3)
NO2 21 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
12-04-2026 04:16:07
PM - 2.5 59.58 (µg/m3)
PM - 10 66.27 (µg/m3)
SO2 23.39 (µg/m3)
CO 4.20 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
12-04-2026 04:15:50
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.21 (mg/m3)
NO2 2.86 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
12-04-2026 04:16:04
PM - 2.5 72.46 (µg/m3)
PM - 10 203 (µg/m3)
SO2 0 (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 04:16:05
PM - 2.5 124.23 (µg/m3)
PM - 10 314.21 (µg/m3)
SO2 22.24 (µg/m3)
CO 2.57 (mg/m3)
NO2 (µg/m3)
Northern Coalfields Limited
NCL_CETI
12-04-2026 04:03:28
PM - 2.5 121.48 (µg/m3)
PM - 10 209.45 (µg/m3)
SO2 22.24 (µg/m3)
CO 3.28 (mg/m3)
NO2 19.25 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
12-04-2026 04:15:42
PM - 2.5 57 (µg/m3)
PM - 10 217.5 (µg/m3)
SO2 .27 (µg/m3)
CO 0.64 (mg/m3)
NO2 2.65 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
12-04-2026 04:07:00
PM - 2.5 52 (µg/m3)
PM - 10 83.8 (µg/m3)
SO2 13.17 (µg/m3)
CO 0.38 (mg/m3)
NO2 7.47 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
12-04-2026 04:04:18
PM - 2.5 55.97 (µg/m3)
PM - 10 94.94 (µg/m3)
SO2 11.31 (µg/m3)
CO 0.58 (mg/m3)
NO2 5.42 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
12-04-2026 04:02:31
PM - 2.5 0 (µg/m3)
PM - 10 107.75 (µg/m3)
SO2 7.54 (µg/m3)
CO 0.42 (mg/m3)
NO2 13.31 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
12-04-2026 04:16:27
PM - 2.5 20 (µg/m3)
PM - 10 35 (µg/m3)
SO2 4.9 (µg/m3)
CO 1.29 (mg/m3)
NO2 3.6 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
12-04-2026 04:15:30
PM - 2.5 14.34 (µg/m3)
PM - 10 (µg/m3)
SO2 11.08 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
12-04-2026 04:16:01
PM - 2.5 64.98 (µg/m3)
PM - 10 74.66 (µg/m3)
SO2 21.14 (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	63.86
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	156.27

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	132.14
12-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	267.27

1 - 2

CAAQMS Data

1 - 10 of 1,083

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 04:16	11-APR-2026 22:42	59.58	66.27	23.39	-	4.20	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 04:16	11-APR-2026 22:46	124.23	314.21	22.24	-	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 04:15	11-APR-2026 22:41	59.19	65.69	23.83	-	4.21	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 04:15	11-APR-2026 22:45	124.57	313.49	23.42	-	2.58	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Bilaspur, CHHATTISGARHr	South Eastern Coalfields Limited - AQMS_H_Q	12-APR-2026 04:15	11-APR-2026 22:44	14.34	-	11.08	0.00	0.00	site_5592	Swan Environ
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 04:15	11-APR-2026 22:41	58.77	65.18	23.81	-	4.21	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 04:15	11-APR-2026 22:45	124.46	312.72	22.62	-	2.59	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 04:14	11-APR-2026 22:40	58.23	64.26	24.22	-	4.25	site_5720	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	12-APR-2026 04:14	11-APR-2026 22:40	58.47	64.65	23.87	-	4.23	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 04:14	11-APR-2026 22:44	124.04	311.92	22.68	-	2.60	site_5664	Thermo Fisher Scientific India Private Limited

1 - 10 of 1,083

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