An air quality index (AQI) combines measurements of several pollutants into a single number, ideally updated continuously and most useful in places where pollution is usually low but occasionally spikes, letting the public take quick preventive action. In many large cities of the developing world, however, pollution levels remain well above healthy thresholds for most of the year, so an index built for occasional spikes offers little practical guidance to residents who face poor air quality as a chronic condition rather than an exception.

Which among the following is the most logical and rational inference that can be made from the above passage?