{"city":"Tsukuba","country":"Japan","lat":36.08332824707031,"lon":140.11666870117188,"range":"20d","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-06-01T18:00:00Z","aqi":30,"aqi_min":30,"aqi_max":30,"pm25":7.265691757202148,"pm10":null,"stations":6},{"datetime_utc":"2026-06-01T19:00:00Z","aqi":43,"aqi_min":43,"aqi_max":43,"pm25":10.300701141357422,"pm10":null,"stations":7},{"datetime_utc":"2026-06-07T22:00:00Z","aqi":5,"aqi_min":5,"aqi_max":5,"pm25":1.2000000476837158,"pm10":null,"stations":1}],"daily":[{"date":"2026-06-01","aqi_avg":36,"aqi_min":30,"aqi_max":43,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":8.8,"pm10_avg":null,"hours":2,"stations_avg":6},{"date":"2026-06-07","aqi_avg":5,"aqi_min":5,"aqi_max":5,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":1.2,"pm10_avg":null,"hours":1,"stations_avg":1}]}