All these third-parties are just using limited APIs from other networks and sometimes only one source like the US government network which has very few sensors

All these third-parties are just using limited APIs from other networks and sometimes only one source like the US government network which has very few sensors very far away from most people. Other network maps: https://google.com/maps/@/data=!5m1!1e9 https://google.com/maps/@/data=!5m1!1e9 https://gispub.epa.gov/airnow/ https://gispub.epa.gov/airnow/ https://map.purpleair.com/ https://map.purpleair.com/ https://map.airgradient.com/ https://map.airgradient.com/ https://www.iqair.com/air-quality-map https://www.iqair.com/air-quality-map https://data.usatoday.com/fires/ https://data.usatoday.com/fires/