Wireless network interference is mitigated with client devices having wireless network interference mitigation logic and/or utilizing a usable bandwidth channel quality metric. In a described example implementation, a client device includes wireless network interference mitigation logic that monitors at least one channel condition of a wireless network and participates in a wireless network interference mitigation procedure based on the at least one channel condition. In another described example implementation, a usable bandwidth of a wireless channel is ascertained with respect to a native network, the usable bandwidth reflecting a difference between (i) a total channel capacity of the wireless channel and (ii) a portion of the total channel capacity that is consumed by wireless communications of one or more foreign networks. By way of example only, the at least one channel condition may be usable bandwidth. The wireless network interference mitigation logic may also be employed in non-client devices.