{"city_pollutants":{"so2":{"value":19,"class":"good"},"no2":{"value":33,"class":"good"},"co":{"value":5,"class":"good"},"o3":{"value":30,"class":"good"},"pm10":{"value":96,"class":"moderate"},"pm2_5":{"value":156,"class":"unhealthy"},"pm":{"value":156,"class":"unhealthy"},"aqi":{"value":156,"class":"unhealthy"}}}