I can see the issue - the OpenAQ API v2 has been retired and is now returning 410 errors. I need to migrate to the OpenAQ API v3. Let me search for the latest v3 documentation and update the API integration.

Now let me search for more specific v3 API documentation to understand the new structure better.

Now let me search for how to find locations and search for them in v3:

Let me fetch more details on the locations endpoint and see how to properly query it:

Now I understand the v3 API structure. The approach is:

1. Search for locations by coordinates and radius (or use a bounding box for cities)
2. Get the location IDs
3. Use those IDs to fetch latest measurements

Let me update both API routes to use the v3 API properly:

I've successfully migrated your PollutionTracker dashboard to use the OpenAQ API v3. The key changes include using the new v3 endpoints with location search by bounding box, then fetching latest measurements by location ID. The API now properly handles the new response structure with parameter IDs (PM2.5=2, PM10=1, NO2=3) and includes comprehensive fallback to realistic sample data if the API is unavailable.

I'll redesign your PollutionTracker dashboard with the soft, environmental aesthetic you described. Let me read the current files and transform them into a calm, elegant design with sage greens, pastel mints, and rounded corners.

Now let me read the health advisor component to understand its structure:

Now I'll redesign your PollutionTracker dashboard with the soft, environmental aesthetic. I'll create a left sidebar layout with sage green, pastel mint, soft teal, warm beige colors, and make everything feel calm and airy with rounded corners and soft shadows.

I've successfully redesigned your PollutionTracker dashboard with a soft, environmental aesthetic featuring sage green, pastel mint, and soft teal colors. The new design includes a calm left sidebar with the project name and tagline "Clean Air. Clear Insights.", rounded corners throughout (1rem radius), gentle shadows, and warm beige accents. All components now have a feminine but professional feel with no harsh contrasts, creating an airy and elegant layout perfect for non-technical users.