Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
30-04-2026 04:46:31
PM - 2.5 39.19 (µg/m3)
PM - 10 63.93 (µg/m3)
SO2 6.43 (µg/m3)
CO 1.40 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
30-04-2026 04:45:14
PM - 2.5 18.91 (µg/m3)
PM - 10 78.55 (µg/m3)
SO2 27.46 (µg/m3)
CO 0.21 (mg/m3)
NO2 7.19 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
30-04-2026 04:46:42
PM - 2.5 22 (µg/m3)
PM - 10 44 (µg/m3)
SO2 4.9 (µg/m3)
CO 0.23 (mg/m3)
NO2 18 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
30-04-2026 04:45:25
PM - 2.5 2.32 (µg/m3)
PM - 10 (µg/m3)
SO2 5.47 (µg/m3)
CO ##### (mg/m3)
NO2 .23 (µg/m3)
SECL
Gayatri UG Mine
30-04-2026 04:46:19
PM - 2.5 19.16 (µg/m3)
PM - 10 28.41 (µg/m3)
SO2 22 (µg/m3)
CO 0.81 (mg/m3)
NO2 6.41 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
30-04-2026 04:45:23
PM - 2.5 15 (µg/m3)
PM - 10 26 (µg/m3)
SO2 7.3 (µg/m3)
CO 0.63 (mg/m3)
NO2 2.2 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
30-04-2026 04:46:37
PM - 2.5 10 (µg/m3)
PM - 10 19 (µg/m3)
SO2 11.2 (µg/m3)
CO 0.00 (mg/m3)
NO2 17.4 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
30-04-2026 04:46:38
PM - 2.5 8 (µg/m3)
PM - 10 11 (µg/m3)
SO2 6.8 (µg/m3)
CO 0.26 (mg/m3)
NO2 26.7 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
30-04-2026 04:45:50
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
30-04-2026 04:46:37
PM - 2.5 58.46 (µg/m3)
PM - 10 117.6 (µg/m3)
SO2 1.01 (µg/m3)
CO 0.60 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
30-04-2026 04:46:26
PM - 2.5 35.97 (µg/m3)
PM - 10 734.14 (µg/m3)
SO2 25.55 (µg/m3)
CO 0.72 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
30-04-2026 04:46:16
PM - 2.5 12.8 (µg/m3)
PM - 10 0 (µg/m3)
SO2 4.93 (µg/m3)
CO 0.31 (mg/m3)
NO2 1.97 (µg/m3)
Northern Coalfields Limited
NCL_CETI
30-04-2026 04:33:26
PM - 2.5 47.49 (µg/m3)
PM - 10 81.87 (µg/m3)
SO2 23.43 (µg/m3)
CO 1.78 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
30-04-2026 04:45:02
PM - 2.5 32.7 (µg/m3)
PM - 10 106.8 (µg/m3)
SO2 1.05 (µg/m3)
CO 0.00 (mg/m3)
NO2 1.97 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
30-04-2026 04:37:34
PM - 2.5 54.6 (µg/m3)
PM - 10 115.85 (µg/m3)
SO2 16.81 (µg/m3)
CO 0.55 (mg/m3)
NO2 11.99 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
30-04-2026 04:46:38
PM - 2.5 4 (µg/m3)
PM - 10 54.42 (µg/m3)
SO2 6.43 (µg/m3)
CO 0.51 (mg/m3)
NO2 18.57 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
30-04-2026 04:46:28
PM - 2.5 15 (µg/m3)
PM - 10 26 (µg/m3)
SO2 9.4 (µg/m3)
CO 0.95 (mg/m3)
NO2 6.4 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
30-04-2026 04:45:25
PM - 2.5 52.98 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.00 (mg/m3)
NO2 31.61 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
30-04-2026 04:46:31
PM - 2.5 39.19 (µg/m3)
PM - 10 63.93 (µg/m3)
SO2 6.43 (µg/m3)
CO 1.40 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
30-04-2026 04:45:14
PM - 2.5 18.91 (µg/m3)
PM - 10 78.55 (µg/m3)
SO2 27.46 (µg/m3)
CO 0.21 (mg/m3)
NO2 7.19 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
30-04-2026 04:46:42
PM - 2.5 22 (µg/m3)
PM - 10 44 (µg/m3)
SO2 4.9 (µg/m3)
CO 0.23 (mg/m3)
NO2 18 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
30-04-2026 04:45:25
PM - 2.5 2.32 (µg/m3)
PM - 10 (µg/m3)
SO2 5.47 (µg/m3)
CO ##### (mg/m3)
NO2 .23 (µg/m3)
SECL
Gayatri UG Mine
30-04-2026 04:46:19
PM - 2.5 19.16 (µg/m3)
PM - 10 28.41 (µg/m3)
SO2 22 (µg/m3)
CO 0.81 (mg/m3)
NO2 6.41 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
30-04-2026 04:45:23
PM - 2.5 15 (µg/m3)
PM - 10 26 (µg/m3)
SO2 7.3 (µg/m3)
CO 0.63 (mg/m3)
NO2 2.2 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
30-04-2026 04:46:37
PM - 2.5 10 (µg/m3)
PM - 10 19 (µg/m3)
SO2 11.2 (µg/m3)
CO 0.00 (mg/m3)
NO2 17.4 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
30-04-2026 04:46:38
PM - 2.5 8 (µg/m3)
PM - 10 11 (µg/m3)
SO2 6.8 (µg/m3)
CO 0.26 (mg/m3)
NO2 26.7 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
30-04-2026 04:45:50
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
30-04-2026 04:46:37
PM - 2.5 58.46 (µg/m3)
PM - 10 117.6 (µg/m3)
SO2 1.01 (µg/m3)
CO 0.60 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area
30-04-2026 04:46:26
PM - 2.5 35.97 (µg/m3)
PM - 10 734.14 (µg/m3)
SO2 25.55 (µg/m3)
CO 0.72 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
30-04-2026 04:46:16
PM - 2.5 12.8 (µg/m3)
PM - 10 0 (µg/m3)
SO2 4.93 (µg/m3)
CO 0.31 (mg/m3)
NO2 1.97 (µg/m3)
Northern Coalfields Limited
NCL_CETI
30-04-2026 04:33:26
PM - 2.5 47.49 (µg/m3)
PM - 10 81.87 (µg/m3)
SO2 23.43 (µg/m3)
CO 1.78 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
30-04-2026 04:45:02
PM - 2.5 32.7 (µg/m3)
PM - 10 106.8 (µg/m3)
SO2 1.05 (µg/m3)
CO 0.00 (mg/m3)
NO2 1.97 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
30-04-2026 04:37:34
PM - 2.5 54.6 (µg/m3)
PM - 10 115.85 (µg/m3)
SO2 16.81 (µg/m3)
CO 0.55 (mg/m3)
NO2 11.99 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
30-04-2026 04:46:38
PM - 2.5 4 (µg/m3)
PM - 10 54.42 (µg/m3)
SO2 6.43 (µg/m3)
CO 0.51 (mg/m3)
NO2 18.57 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
30-04-2026 04:46:28
PM - 2.5 15 (µg/m3)
PM - 10 26 (µg/m3)
SO2 9.4 (µg/m3)
CO 0.95 (mg/m3)
NO2 6.4 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
30-04-2026 04:45:25
PM - 2.5 52.98 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.00 (mg/m3)
NO2 31.61 (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)
30-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	99.32

1 - 1

Record Date	Company name	Mine name	Permissible Limit (µg/m3)	Average PM - 10 (µg/m3)
30-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	734.14

1 - 1

CAAQMS Data

1 - 10 of 602

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	SECL,Kusmunda	SECL_KUSMUNDA	30-APR-2026 04:46	30-APR-2026 04:45	4.00	54.42	6.43	18.57	0.51	site_1963	Envea India Pvt Ltd
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	30-APR-2026 04:46	29-APR-2026 23:16	35.97	734.14	25.55	-	0.72	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	30-APR-2026 04:45	29-APR-2026 23:15	35.79	734.14	28.86	-	0.70	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Bilaspur, CHHATTISGARHr	South Eastern Coalfields Limited - AQMS_H_Q	30-APR-2026 04:45	29-APR-2026 23:14	52.98	-	0.00	31.61	0.00	site_5592	Swan Environ
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	30-APR-2026 04:45	29-APR-2026 23:15	35.51	734.14	24.44	-	0.71	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	30-APR-2026 04:44	29-APR-2026 23:14	35.26	734.14	25.88	-	0.72	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	30-APR-2026 04:44	29-APR-2026 23:14	35.03	734.14	28.79	-	0.69	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	30-APR-2026 04:43	29-APR-2026 23:13	34.73	734.14	32.26	-	0.68	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	30-APR-2026 04:43	29-APR-2026 23:13	34.45	734.14	24.73	-	0.67	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	30-APR-2026 04:42	29-APR-2026 23:12	34.30	734.14	26.93	-	0.67	site_5664	Thermo Fisher Scientific India Private Limited

1 - 10 of 602

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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