Table. Model Performance Comparison Across Districts and Metrics

Legend

Bold Best performance

Underline Second best

MAE ↓ Lower is better

Corr ↑ Higher is better

Format: h1/h24/h48/h72/h96/h120 overall (MAE) | h1/h24/h48/h72/h96/h120 (Corr)

Model	District	T		VIS		P		PM2.5		AQI
Model	District	MAE	Corr	MAE	Corr	MAE	Corr	MAE	Corr	MAE	Corr
GraphWaveNet	Lanzhou
GraphWaveNet	Kunming
GraphWaveNet	Harbin
GraphWaveNet	Shanghai
DCRNN	Lanzhou
DCRNN	Kunming
DCRNN	Harbin
DCRNN	Shanghai
BigST	Lanzhou
BigST	Kunming
BigST	Harbin
BigST	Shanghai
DGCRN	Lanzhou
DGCRN	Kunming
DGCRN	Harbin
DGCRN	Shanghai
STPGNN	Lanzhou
STPGNN	Kunming
STPGNN	Harbin
STPGNN	Shanghai
MegaCRN	Lanzhou
MegaCRN	Kunming
MegaCRN	Harbin
MegaCRN	Shanghai