Figure 11
From: Air pollutant prediction model based on transfer learning two-stage attention mechanism

Comparison of different models at the Huairou monitoring site. The red solid line is the real value, the blue dotted line represents TL-AdaBiGRU, the green dotted line represents AdaBiGRU, the pink dotted line represents BiGRU, the indigo dotted line represents GRU, the brown dotted line represents LightGBM, the purple dotted line represents ARIMA, and the yellow dotted line represents Transformer.