Subsidiary wise

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
19-04-2026 23:46:27
PM - 2.5 19.59 (µg/m3)
PM - 10 22.38 (µg/m3)
SO2 .89 (µg/m3)
CO 0.61 (mg/m3)
NO2 1.99 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
19-04-2026 23:53:06
PM - 2.5 59.98 (µg/m3)
PM - 10 213.76 (µg/m3)
SO2 16.9 (µg/m3)
CO 5.06 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
19-04-2026 23:45:06
PM - 2.5 32.25 (µg/m3)
PM - 10 85.96 (µg/m3)
SO2 40.9 (µg/m3)
CO 0.49 (mg/m3)
NO2 16.64 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
19-04-2026 23:52:43
PM - 2.5 30 (µg/m3)
PM - 10 59 (µg/m3)
SO2 4.8 (µg/m3)
CO 0.73 (mg/m3)
NO2 41.4 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
19-04-2026 23:53:01
PM - 2.5 95.28 (µg/m3)
PM - 10 288.17 (µg/m3)
SO2 21.58 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
19-04-2026 23:45:06
PM - 2.5 2.26 (µg/m3)
PM - 10 (µg/m3)
SO2 5.25 (µg/m3)
CO ##### (mg/m3)
NO2 .22 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
19-04-2026 23:52:38
PM - 2.5 19 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.7 (µg/m3)
CO 0.82 (mg/m3)
NO2 17.8 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
19-04-2026 23:52:58
PM - 2.5 22 (µg/m3)
PM - 10 32 (µg/m3)
SO2 5.1 (µg/m3)
CO 0.32 (mg/m3)
NO2 26.2 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
19-04-2026 23:52:52
PM - 2.5 83.6 (µg/m3)
PM - 10 195.03 (µg/m3)
SO2 8.48 (µg/m3)
CO 3.49 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
19-04-2026 23:53:04
PM - 2.5 67.78 (µg/m3)
PM - 10 152.8 (µg/m3)
SO2 21.93 (µg/m3)
CO 3.30 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
19-04-2026 23:45:51
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.88 (mg/m3)
NO2 212.27 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
19-04-2026 23:53:06
PM - 2.5 157 (µg/m3)
PM - 10 840.7 (µg/m3)
SO2 4.75 (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
19-04-2026 23:52:56
PM - 2.5 238.64 (µg/m3)
PM - 10 624.68 (µg/m3)
SO2 33.89 (µg/m3)
CO 3.82 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
19-04-2026 23:53:05
PM - 2.5 11.96 (µg/m3)
PM - 10 14.29 (µg/m3)
SO2 1.54 (µg/m3)
CO 0.26 (mg/m3)
NO2 1.79 (µg/m3)
Northern Coalfields Limited
NCL_CETI
19-04-2026 23:48:19
PM - 2.5 68.4 (µg/m3)
PM - 10 117.92 (µg/m3)
SO2 32.96 (µg/m3)
CO 4.49 (mg/m3)
NO2 33.65 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
19-04-2026 23:45:41
PM - 2.5 48.9 (µg/m3)
PM - 10 98.1 (µg/m3)
SO2 .81 (µg/m3)
CO 0.73 (mg/m3)
NO2 1.8 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
19-04-2026 23:52:04
PM - 2.5 49 (µg/m3)
PM - 10 99.31 (µg/m3)
SO2 19.25 (µg/m3)
CO 0.59 (mg/m3)
NO2 10.3 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
19-04-2026 23:49:06
PM - 2.5 48.68 (µg/m3)
PM - 10 83.76 (µg/m3)
SO2 9.35 (µg/m3)
CO 0.25 (mg/m3)
NO2 2.79 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
19-04-2026 23:46:22
PM - 2.5 2147483.75 (µg/m3)
PM - 10 62.05 (µg/m3)
SO2 7.84 (µg/m3)
CO 0.54 (mg/m3)
NO2 16.74 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
19-04-2026 23:52:58
PM - 2.5 43 (µg/m3)
PM - 10 77 (µg/m3)
SO2 9.7 (µg/m3)
CO 0.40 (mg/m3)
NO2 10.8 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
19-04-2026 23:45:58
PM - 2.5 28.75 (µg/m3)
PM - 10 (µg/m3)
SO2 25.41 (µg/m3)
CO 0.28 (mg/m3)
NO2 162.34 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
19-04-2026 23:53:05
PM - 2.5 80.18 (µg/m3)
PM - 10 106.19 (µg/m3)
SO2 19.47 (µg/m3)
CO ##### (mg/m3)
NO2 0 (µg/m3)

Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine
19-04-2026 23:46:27
PM - 2.5 19.59 (µg/m3)
PM - 10 22.38 (µg/m3)
SO2 .89 (µg/m3)
CO 0.61 (mg/m3)
NO2 1.99 (µg/m3)
Western Coalfields Limited
AAQMS_Makardhokra-III OC Mine Station_02
19-04-2026 23:53:06
PM - 2.5 59.98 (µg/m3)
PM - 10 213.76 (µg/m3)
SO2 16.9 (µg/m3)
CO 5.06 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
AQMS_1M WCL MAJRI AREA
19-04-2026 23:45:06
PM - 2.5 32.25 (µg/m3)
PM - 10 85.96 (µg/m3)
SO2 40.9 (µg/m3)
CO 0.49 (mg/m3)
NO2 16.64 (µg/m3)
Mahanadi Coalfields Limited
Basundhara (W) OCP
19-04-2026 23:52:43
PM - 2.5 30 (µg/m3)
PM - 10 59 (µg/m3)
SO2 4.8 (µg/m3)
CO 0.73 (mg/m3)
NO2 41.4 (µg/m3)
Western Coalfields Limited
Bhanegaon OCM
19-04-2026 23:53:01
PM - 2.5 95.28 (µg/m3)
PM - 10 288.17 (µg/m3)
SO2 21.58 (µg/m3)
CO 1.00 (mg/m3)
NO2 0 (µg/m3)
Western Coalfields Limited
Bhatadi Opencast Mine
19-04-2026 23:45:06
PM - 2.5 2.26 (µg/m3)
PM - 10 (µg/m3)
SO2 5.25 (µg/m3)
CO ##### (mg/m3)
NO2 .22 (µg/m3)
Mahanadi Coalfields Limited
Lajkura OCP
19-04-2026 23:52:38
PM - 2.5 19 (µg/m3)
PM - 10 110 (µg/m3)
SO2 9.7 (µg/m3)
CO 0.82 (mg/m3)
NO2 17.8 (µg/m3)
Mahanadi Coalfields Limited
Lakhanpur OCP
19-04-2026 23:52:58
PM - 2.5 22 (µg/m3)
PM - 10 32 (µg/m3)
SO2 5.1 (µg/m3)
CO 0.32 (mg/m3)
NO2 26.2 (µg/m3)
South Eastern Coalfields Limited
M/S Kanchan OC Coal Mine
19-04-2026 23:52:52
PM - 2.5 83.6 (µg/m3)
PM - 10 195.03 (µg/m3)
SO2 8.48 (µg/m3)
CO 3.49 (mg/m3)
NO2 (µg/m3)
South Eastern Coalfields Limited
M/S Saraipali Opencast Coal Mine
19-04-2026 23:53:04
PM - 2.5 67.78 (µg/m3)
PM - 10 152.8 (µg/m3)
SO2 21.93 (µg/m3)
CO 3.30 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
M/S WCL Sasti Open Cast Mine
19-04-2026 23:45:51
PM - 2.5 0 (µg/m3)
PM - 10 (µg/m3)
SO2 0 (µg/m3)
CO 0.88 (mg/m3)
NO2 212.27 (µg/m3)
South Eastern Coalfields
M/s Amadand OC Mine Project
19-04-2026 23:53:06
PM - 2.5 157 (µg/m3)
PM - 10 840.7 (µg/m3)
SO2 4.75 (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
19-04-2026 23:52:56
PM - 2.5 238.64 (µg/m3)
PM - 10 624.68 (µg/m3)
SO2 33.89 (µg/m3)
CO 3.82 (mg/m3)
NO2 (µg/m3)
Western Coalfields Limited
Mathani UG
19-04-2026 23:53:05
PM - 2.5 11.96 (µg/m3)
PM - 10 14.29 (µg/m3)
SO2 1.54 (µg/m3)
CO 0.26 (mg/m3)
NO2 1.79 (µg/m3)
Northern Coalfields Limited
NCL_CETI
19-04-2026 23:48:19
PM - 2.5 68.4 (µg/m3)
PM - 10 117.92 (µg/m3)
SO2 32.96 (µg/m3)
CO 4.49 (mg/m3)
NO2 33.65 (µg/m3)
Western Coalfields Limited
Penganga Opencast Mine
19-04-2026 23:45:41
PM - 2.5 48.9 (µg/m3)
PM - 10 98.1 (µg/m3)
SO2 .81 (µg/m3)
CO 0.73 (mg/m3)
NO2 1.8 (µg/m3)
South Eastern Coalfields Limited
SECL GEVRA
19-04-2026 23:52:04
PM - 2.5 49 (µg/m3)
PM - 10 99.31 (µg/m3)
SO2 19.25 (µg/m3)
CO 0.59 (mg/m3)
NO2 10.3 (µg/m3)
South Eastern Coalfields Limited
SECL_DIPKA
19-04-2026 23:49:06
PM - 2.5 48.68 (µg/m3)
PM - 10 83.76 (µg/m3)
SO2 9.35 (µg/m3)
CO 0.25 (mg/m3)
NO2 2.79 (µg/m3)
South Eastern Coalfields Limited
SECL_KUSMUNDA
19-04-2026 23:46:22
PM - 2.5 2147483.75 (µg/m3)
PM - 10 62.05 (µg/m3)
SO2 7.84 (µg/m3)
CO 0.54 (mg/m3)
NO2 16.74 (µg/m3)
Mahanadi Coalfields Limited
Samaleswari OCP
19-04-2026 23:52:58
PM - 2.5 43 (µg/m3)
PM - 10 77 (µg/m3)
SO2 9.7 (µg/m3)
CO 0.40 (mg/m3)
NO2 10.8 (µg/m3)
South Eastern Coalfields Limited
South Eastern Coalfields Limited - AQMS_H_Q
19-04-2026 23:45:58
PM - 2.5 28.75 (µg/m3)
PM - 10 (µg/m3)
SO2 25.41 (µg/m3)
CO 0.28 (mg/m3)
NO2 162.34 (µg/m3)
Western Coalfields Limited
WCL Inder Kamptee
19-04-2026 23:53:05
PM - 2.5 80.18 (µg/m3)
PM - 10 106.19 (µg/m3)
SO2 19.47 (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)
19-APR-2026	South Eastern Coalfields Limited	M/S Kanchan OC Coal Mine	60	66.72
19-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	60	64.24
19-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	60	109.43
19-APR-2026	South Eastern Coalfields Limited	SECL_KUSMUNDA	60	2,147,483.75

1 - 4

Record Date	Company name	Mine name	Permissible Limit (µg/m3)	Average PM - 10 (µg/m3)
19-APR-2026	South Eastern Coalfields Limited	M/S Kanchan OC Coal Mine	100	246.08
19-APR-2026	South Eastern Coalfields Limited	M/S Saraipali Opencast Coal Mine	100	144.08
19-APR-2026	South Eastern Coalfields Limited	M/s Dipka Expansion Project South Eastern Coal Fields Limited Dipka Area	100	234.15

1 - 3

CAAQMS Data

1 - 10 of 8,776

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	19-APR-2026 23:53	19-APR-2026 18:19	67.78	152.80	21.93	-	3.30	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	19-APR-2026 23:52	19-APR-2026 18:22	238.64	624.68	33.89	-	3.82	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 23:52	19-APR-2026 18:21	83.60	195.03	8.48	-	3.49	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	19-APR-2026 23:52	19-APR-2026 18:18	67.82	153.00	22.13	-	3.28	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	19-APR-2026 23:52	19-APR-2026 18:22	236.50	622.65	34.73	-	3.80	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 23:52	19-APR-2026 18:20	84.41	196.31	8.29	-	3.46	site_3509	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Gevra , Chattisgarh	SECL GEVRA	19-APR-2026 23:52	19-APR-2026 23:45	49.00	99.31	19.25	10.30	0.59	site_	Envea India Pvt Ltd
South Eastern Coalfields Limited	Korba Area	M/S Saraipali Opencast Coal Mine	19-APR-2026 23:52	19-APR-2026 18:18	67.86	153.20	22.08	-	3.25	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	19-APR-2026 23:51	19-APR-2026 18:21	234.17	621.00	33.53	-	3.80	site_5664	Thermo Fisher Scientific India Private Limited
South Eastern Coalfields Limited	Johilla Area	M/S Kanchan OC Coal Mine	19-APR-2026 23:51	19-APR-2026 18:20	85.27	197.82	8.11	-	3.40	site_3509	Thermo Fisher Scientific India Private Limited

1 - 10 of 8,776

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