1 Best APIs for Air quality data in Nigeria

Tomorrow.io (formerly ClimaCell) is an advanced weather intelligence platform that goes beyond traditional meteorological data by incorporating artificial intelligence, proprietary sensing networks, and hyperlocal data sources to deliver more accurate, street-level weather predictions than conventional numerical weather models alone can achieve. Tomorrow.io's technology combines satellite data, radar, ground-based sensors, connected vehicle data, and IoT sensors to build a higher-resolution picture of current conditions, which feeds into AI models trained on billions of historical weather observations to improve forecast accuracy particularly at short time horizons. For Nigerian businesses where weather accuracy directly impacts operations and revenue, Tomorrow.io offers a premium alternative to standard weather APIs. Hyperlocal weather data is Tomorrow.io's core value proposition: weather conditions can vary dramatically within a single city, especially in densely built-up urban areas like Lagos Island versus Lekki, or Ikeja versus Agege. Tomorrow.io's hyperlocal precision means a logistics company routing deliveries through Lagos can get weather conditions specific to individual neighborhoods rather than a single city-wide reading, improving routing decisions during localized rain showers that may affect one area while leaving adjacent areas dry. Weather layers available through Tomorrow.io include temperature, humidity, wind, precipitation (including type: rain, drizzle, freezing rain, snow, sleet), cloud cover, visibility, pressure, UV index, pollen count, fire index, ice accumulation, and road condition indicators. The road condition indicators derived from weather data are particularly useful for Nigerian logistics and transportation apps, where road quality during heavy rainfall can degrade rapidly and route planning needs to account for impassable flooded roads. Real-time and forecast severe weather alerts from Tomorrow.io provide early warning of thunderstorms, heavy rainfall, high wind events, and other hazardous conditions with geographic precision and lead times of hours to days. Nigerian event management platforms, outdoor venue operators, and emergency management apps can subscribe to Tomorrow.io alerts to automatically send warnings to relevant user segments before dangerous weather arrives at their specific location. Historical weather data through Tomorrow.io covers multiple years and returns the same rich variable set as real-time and forecast data, enabling backtesting of weather-dependent decision models. Nigerian agricultural tech companies building machine learning models that predict crop yields based on weather patterns can train their models on Tomorrow.io historical data to capture the hyperlocal weather signals that traditional reanalysis datasets like ERA5 smooth out at coarser resolution. Air quality monitoring data from Tomorrow.io includes PM2.5, PM10, NO2, CO, and an overall air quality index alongside weather data, providing a unified environmental intelligence feed for Nigerian health and environmental monitoring apps that need both weather and air quality in a single API response. Tomorrow.io offers a free developer tier with 500 API calls per day and access to core weather endpoints — enough for prototyping and small-scale Nigerian app development. Paid plans start at $20/month for 25,000 daily calls and scale to enterprise plans for high-volume production applications. Nigerian startups can start on the free tier, validate their weather product concept, and scale to paid plans as their user base and revenue grow.