[en] Highlights: • The hybrid nanogenerator can obtain both mechanical and heat energy from the same energy source. • It realizes advantage complementary by combining high voltage of TENG and high current of TEG. • The hybridized nanogenerator can act as sustainable power source to drive commercial electronics. • The system exhibits high removal efficiency of 92.1% for PM2.5 and implements real-time gas quality monitoring. Rapid urbanization and industrialization causes huge energy consumption, bringing about a variety of air pollution issue due to the massive exhaust gas emitted from factories, power plants, traffic, etc. While normal supply of fossil fuels is ensured, the task of achieving energy saving and emission reduction is very taxing. It's an optimal option to further control exhaust gas through effectively recycling industrial exhaust gas energy. Here, a hybrid nanogenerator composed of a triboelectric nanogenerator (TENG) and thermoelectric generator (TEG) has been proposed for gas energy recycle and purification. Both mechanical and heat energy of exhaust gas can be recycled by combining the merits of TENG and TEG which achieves advantage complementary. It delivers an regulated power of 147.6 W m⁻³, which is capable of powering electronic devices and being stored up. Moreover, exhaust gas purification is implemented through reclaiming exhaust gas energy with no external power. It obtains high removal efficiency of 92.1% for PM2.5 and realizes real-time gas quality monitoring. This work has potential application prospect to serve for large-scale industrial exhuast gas recycle and treatment equipments which help reduce resource consumption and relax environmental problems.