ResearchBenchmarksPM2.5 Concentration Forecasting on AirU air pollution datasetFollow0.892R2 (3H)ET0.691280.743390.79550.84761Jun 23, 2026Evaluation ResultsMethodMethodLinksR2 (3H)R2 (6H)R2 (9H)R2 (12H)ET2026.060.8920.8320.7180.805GB2026.060.8920.8310.7250.819RF2026.060.8860.8310.7050.819LSTM2026.060.8130.6920.6880.636Prophet2026.060.7960.7360.6810.633GRU2026.060.7760.6180.6660.617DT2026.060.7670.6820.4850.6kNN2026.060.6990.6240.4390.588