Case studies

Air quality was exceptionally good across the Upper Hunter region in winter 2025. Levels remained below national benchmarks over 97% of the season (89 days), helped by above average rainfall...

Air quality was generally fair in the Upper Hunter during spring 2025. Levels remained below national benchmarks on 71 days (77.2% of the season).

Air quality was exceptionally good across the Upper Hunter region in autumn 2025. Levels remained below national benchmarks over 96% of the season (88 days), driven largely by wet conditions...

Air quality was exceptionally good across the Namoi/North West Slopes region in winter 2025, remaining below national benchmarks on 87 days (95%).

Air quality was exceptionally good across the Namoi/North West Slopes region in spring 2025, remaining below national benchmarks 100% of the season (91 days).

Air quality was exceptionally good across the Namoi/North West Slopes region in autumn 2025, remaining below national benchmarks 99% of the season (90 days).

Air quality was generally good across the Newcastle region during spring 2025, remaining below national benchmarks on 85 days (94% of the season).

Air quality was generally very good across the Newcastle region in autumn 2025, remaining below national benchmarks on 87 days (95% of the season).