Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
29-04-2026 00:16:00
PM - 2.5 32.68 (µg/m3)
PM - 10 103.05 (µg/m3)
SO2 8.53 (µg/m3)
CO 1.60 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
29-04-2026 00:01:36
PM - 2.5 53.61 (µg/m3)
PM - 10 53.47 (µg/m3)
SO2 10.33 (µg/m3)
CO 0.48 (mg/m3)
NO2 4.88 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
29-04-2026 00:15:33
PM - 2.5 34.59 (µg/m3)
PM - 10 98.16 (µg/m3)
SO2 41.76 (µg/m3)
CO 0.44 (mg/m3)
NO2 9.86 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
29-04-2026 00:15:57
PM - 2.5 40 (µg/m3)
PM - 10 79 (µg/m3)
SO2 4.7 (µg/m3)
CO 1.23 (mg/m3)
NO2 20.2 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
29-04-2026 00:15:22
PM - 2.5 2.32 (µg/m3)
PM - 10 (µg/m3)
SO2 5.34 (µg/m3)
CO ##### (mg/m3)
NO2 .2 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
29-04-2026 00:15:40
PM - 2.5 24 (µg/m3)
PM - 10 40 (µg/m3)
SO2 6.9 (µg/m3)
CO 1.36 (mg/m3)
NO2 2.2 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
29-04-2026 00:15:53
PM - 2.5 21 (µg/m3)
PM - 10 40 (µg/m3)
SO2 11 (µg/m3)
CO 0.64 (mg/m3)
NO2 16.9 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
29-04-2026 00:15:50
PM - 2.5 .03 (µg/m3)
PM - 10 (µg/m3)
SO2 .03 (µg/m3)
CO 2.01 (mg/m3)
NO2 178.98 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
29-04-2026 00:16:04
PM - 2.5 47.81 (µg/m3)
PM - 10 226.1 (µg/m3)
SO2 0 (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
29-04-2026 00:16:01
PM - 2.5 100 (µg/m3)
PM - 10 360.64 (µg/m3)
SO2 32.11 (µg/m3)
CO 2.02 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
29-04-2026 00:16:18
PM - 2.5 76.2 (µg/m3)
PM - 10 111.58 (µg/m3)
SO2 13.75 (µg/m3)
CO 1.06 (mg/m3)
NO2 1.77 (µg/m3)
Northern Coalfields Limited
NCL_CETI
29-04-2026 00:03:24
PM - 2.5 67.84 (µg/m3)
PM - 10 116.96 (µg/m3)
SO2 25.06 (µg/m3)
CO 1.92 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
29-04-2026 00:16:00
PM - 2.5 41.3 (µg/m3)
PM - 10 0 (µg/m3)
SO2 .86 (µg/m3)
CO 0.58 (mg/m3)
NO2 1.69 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
29-04-2026 00:07:33
PM - 2.5 .1 (µg/m3)
PM - 10 0 (µg/m3)
SO2 5 (µg/m3)
CO 0.33 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
29-04-2026 00:15:50
PM - 2.5 45.97 (µg/m3)
PM - 10 88.2 (µg/m3)
SO2 12.42 (µg/m3)
CO 0.36 (mg/m3)
NO2 4.9 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
29-04-2026 00:01:31
PM - 2.5 36.23 (µg/m3)
PM - 10 59.94 (µg/m3)
SO2 6.95 (µg/m3)
CO 0.66 (mg/m3)
NO2 18.53 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
29-04-2026 00:15:56
PM - 2.5 63.71 (µg/m3)
PM - 10 (µg/m3)
SO2 59.92 (µg/m3)
CO 0.00 (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-I OC Mine Station_01
29-04-2026 00:16:00
PM - 2.5 32.68 (µg/m3)
PM - 10 103.05 (µg/m3)
SO2 8.53 (µg/m3)
CO 1.60 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
29-04-2026 00:01:36
PM - 2.5 53.61 (µg/m3)
PM - 10 53.47 (µg/m3)
SO2 10.33 (µg/m3)
CO 0.48 (mg/m3)
NO2 4.88 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
29-04-2026 00:15:33
PM - 2.5 34.59 (µg/m3)
PM - 10 98.16 (µg/m3)
SO2 41.76 (µg/m3)
CO 0.44 (mg/m3)
NO2 9.86 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
29-04-2026 00:15:57
PM - 2.5 40 (µg/m3)
PM - 10 79 (µg/m3)
SO2 4.7 (µg/m3)
CO 1.23 (mg/m3)
NO2 20.2 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
29-04-2026 00:15:22
PM - 2.5 2.32 (µg/m3)
PM - 10 (µg/m3)
SO2 5.34 (µg/m3)
CO ##### (mg/m3)
NO2 .2 (µg/m3)
Mahanadi Coalfields Limited
Kulda OCP
29-04-2026 00:15:40
PM - 2.5 24 (µg/m3)
PM - 10 40 (µg/m3)
SO2 6.9 (µg/m3)
CO 1.36 (mg/m3)
NO2 2.2 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
29-04-2026 00:15:53
PM - 2.5 21 (µg/m3)
PM - 10 40 (µg/m3)
SO2 11 (µg/m3)
CO 0.64 (mg/m3)
NO2 16.9 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
29-04-2026 00:15:50
PM - 2.5 .03 (µg/m3)
PM - 10 (µg/m3)
SO2 .03 (µg/m3)
CO 2.01 (mg/m3)
NO2 178.98 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
29-04-2026 00:16:04
PM - 2.5 47.81 (µg/m3)
PM - 10 226.1 (µg/m3)
SO2 0 (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
29-04-2026 00:16:01
PM - 2.5 100 (µg/m3)
PM - 10 360.64 (µg/m3)
SO2 32.11 (µg/m3)
CO 2.02 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
29-04-2026 00:16:18
PM - 2.5 76.2 (µg/m3)
PM - 10 111.58 (µg/m3)
SO2 13.75 (µg/m3)
CO 1.06 (mg/m3)
NO2 1.77 (µg/m3)
Northern Coalfields Limited
NCL_CETI
29-04-2026 00:03:24
PM - 2.5 67.84 (µg/m3)
PM - 10 116.96 (µg/m3)
SO2 25.06 (µg/m3)
CO 1.92 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
29-04-2026 00:16:00
PM - 2.5 41.3 (µg/m3)
PM - 10 0 (µg/m3)
SO2 .86 (µg/m3)
CO 0.58 (mg/m3)
NO2 1.69 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
29-04-2026 00:07:33
PM - 2.5 .1 (µg/m3)
PM - 10 0 (µg/m3)
SO2 5 (µg/m3)
CO 0.33 (mg/m3)
NO2 0 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
29-04-2026 00:15:50
PM - 2.5 45.97 (µg/m3)
PM - 10 88.2 (µg/m3)
SO2 12.42 (µg/m3)
CO 0.36 (mg/m3)
NO2 4.9 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
29-04-2026 00:01:31
PM - 2.5 36.23 (µg/m3)
PM - 10 59.94 (µg/m3)
SO2 6.95 (µg/m3)
CO 0.66 (mg/m3)
NO2 18.53 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
29-04-2026 00:15:56
PM - 2.5 63.71 (µg/m3)
PM - 10 (µg/m3)
SO2 59.92 (µg/m3)
CO 0.00 (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)
29-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	100.55
29-APR-2026	South Eastern Coalfields Limited	South Eastern Coalfields Limited - AQMS_H_Q	60	62.23

1 - 2

Record Date	Company name	Mine name	Permissible Limit (µg/m3)	Average PM - 10 (µg/m3)
29-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	382.66

1 - 1

CAAQMS Data

1 - 10 of 34

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	29-APR-2026 00:16	28-APR-2026 18:45	100.00	360.64	32.11	-	2.02	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Bilaspur, CHHATTISGARHr	South Eastern Coalfields Limited - AQMS_H_Q	29-APR-2026 00:15	28-APR-2026 18:44	63.71	-	59.92	0.00	0.00	site_5592	Swan Environ
South Eastern Coalfields Limited	SECL_DIPKA	SECL_DIPKA	29-APR-2026 00:15	28-APR-2026 18:45	45.97	88.20	12.42	4.90	0.36	site_1931	Envea India Pvt Ltd
South Eastern Coalfields Limited	Dipka Area	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	29-APR-2026 00:15	28-APR-2026 18:45	100.00	361.84	33.50	-	1.97	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	29-APR-2026 00:14	28-APR-2026 18:44	100.00	362.91	30.76	-	1.99	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	29-APR-2026 00:14	28-APR-2026 18:44	100.00	364.26	32.07	-	1.98	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	29-APR-2026 00:13	28-APR-2026 18:43	100.00	365.60	32.32	-	1.97	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	29-APR-2026 00:13	28-APR-2026 18:43	100.00	367.28	30.11	-	1.96	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	29-APR-2026 00:12	28-APR-2026 18:42	100.00	368.82	29.90	-	1.90	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	29-APR-2026 00:12	28-APR-2026 18:42	100.00	370.67	30.14	-	1.89	site_5664	Thermo Fisher Scientific India Private Limited

1 - 10 of 34

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