The upper image was captured by the Moderate Resolution Imaging Spectroradiometer (MODIS) onboard of NASAs Aqua satellite on 18 July. It shows the fires (red dots) and large smoke plumes drifting East.
The second image is a detail of the white square on the upper part of the first image. A large plume drifting East can be noticed along with pyrocumulus clouds. The brown area by the red dots is the fire scar.
Source: Nasa Earth Observatory
Fores Fire Weather Index for 24 and 30 July, 2014. Black dots are representing active fires which burned on 23 July.
Source: Global Fire and Early Warning System (GFEWS)
Recent Media Reports on Fires in Canada: Note: The hyperlinks on the left side of each news are password-protected (User ID and password to enter the GFMC database are available for partners of GFMC. To obtain the ID and password, please send your query to firstname.lastname@example.org). The links on the right side (in brackets) are leading to the original news source; sometimes these news are expiring rather swiftly – a reason for the establishment of the internal GFMC database):