With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cid11QosIfStatisticsEntry
Cisco DOT11 Qos If Statistics Entry
1.3.6.1.4.1.9.10.89.1.3.2.1
Each entry contains attributes to support QoS statistics on an IEEE 802.11 interface.
Back to CISCO-IETF-DOT11-QOS-MIB MIB page.
IPHost Network monitor allows you to monitor cid11QosIfStatisticsEntry on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.