How your system is performing, what the weather is doing, and whether cleaning or an inspection may be useful. Every figure says where it comes from.
Source: WeatherAPI.com. The only weather provider Solink uses.
Environmental indicators at your location. Dusty air raises the chance of soiling over time; it does not measure what is on your panels.
Your recorded production, read alongside the weather.
Correlation is not causation
Even with both series on one chart, a dusty day that coincides with lower output does not prove soiling caused the drop. Cloud, heat, shading, an inverter issue or a measurement gap can produce the same picture. Use this view to decide whether an inspection or cleaning may be worth booking, not as a diagnosis.