“Will all this data ever really help the people of Nakuru?” It is the question that keeps coming back in every ward, in every community meeting, and in every conversation between residents and AngaWatch ambassadors. In 2025, it was also the most persistent concern raised by the ambassadors themselves. There is no simple or linear answer. The value of RESPIRA-AQM lies in a slow chain of steps – from stories and sensor readings, to evidence, to policy discussions, and eventually to changes in...