Trending Up: Air Quality Index Illustration

Air Quality Index Visualization with Upward Trend
This vector illustration depicts a stylized air quality index represented by concentric arcs in varying colors. A white line with dot markers charts an upward trend across these arcs, culminating in an arrow pointing upwards, symbolizing improvement in air quality. The background features a subtle grid pattern, enhancing the technical feel. The overall design is clean and modern, suggesting progress and positive change.