傲气 can be neutral or negative depending on tone. Negative:
摆傲气 (bǎi àoqì) 'put on airs'. Positive/neutral:
傲气 as 'pride/dignity' in
不卑不亢的傲气 ('a self-respecting pride'). Compare
骄傲 (jiāo'ào) which leans 'proud (of an achievement)' and
傲慢 (àomàn) which is purely negative 'arrogant'.