What is the Air Quality today em Washington? 
[IN:UNSUPPORTED_WEATHER What is the [SL:WEATHER_ATTRIBUTE Air Quality ] [SL:DATE_TIME today ] em [SL:LOCATION Washington ] ?  ]
[IN:UNSUPPORTED_WEATHER What is the [SL:WEATHER_ATTRIBUTE Air Quality ] [SL:DATE_TIME today ] em [SL:LOCATION Washington ] ?  ]