Limitations & Disclaimers
Important caveats about EnvioGrid data, methodology, and how to interpret the information presented on our pages.
Last updated: May 2025
General Limitations
- Data Freshness: Air quality data is updated hourly. Forecast data is updated every 6 hours. POI data is refreshed weekly.
- Geographic Accuracy: Distances are calculated from ZIP code centroids, not from specific addresses. Actual distances may vary.
- Coverage: Not all ZIP codes have complete data. Rural areas may have fewer POIs and monitoring stations.
- Interpolation: Air quality data may be interpolated from nearby monitoring stations if no station exists within 50km of a ZIP code.
Health & Safety Disclaimer
EnvioGrid provides environmental data for informational purposes only. We are not a medical or emergency service provider. In an emergency, always call 911. Consult with healthcare providers for health-related decisions.
Data Accuracy Disclaimer
While we strive for accuracy, data may contain errors or omissions. Data sources (OpenStreetMap, Open-Meteo, OpenAQ) may have incomplete or outdated information. Always verify critical information with official sources.
No Warranty
EnvioGrid provides data "as is" without any warranty of accuracy, completeness, or fitness for a particular purpose. Use of this data is at your own risk.
Changes to Methodology
Our methodology may change over time as data sources and processing techniques improve. Significant changes will be documented on this page.