Air Quality API Development

I need an API developed for both iOS and Android applications focused on air quality data.

Core functionality:
- Store and analyze historical air quality data

Analysis capabilities:
- Trend analysis over time
- Comparative analysis between locations
- Alert generation based on thresholds

Data integration:
- Must integrate with government air quality databases

Ideal skills and experience:
- Expertise in API development
- Experience with mobile app integration
- Strong background in data analysis
- Familiarity with government data sources

Please provide relevant past work and ensure the project is well-documented.