With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
bsnAPIfStationRSSICoverageInfoTable
bsn AP If Station RSS I Coverage Info Table
1.3.6.1.4.1.14179.2.2.18
This is a table of channel information like interference and noise from other 802.11 networks on each channel.
Back to AIRESPACE-WIRELESS-MIB MIB page.
IPHost Network monitor allows you to monitor bsnAPIfStationRSSICoverageInfoTable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.