A Mobile Sensing System for Urban Monitoring with Adaptive Resolution

Table 1

IAQI range of Chinese standard.

IAQI	24-hour average (μg/m^3)	Air quality ranges
0–50	0–35	I (optimal)
50–100	35–75	II (good)
100–150	75–115	III (light pollution)
150–200	115–150	IV (moderate pollution)
200–300	150–250	V (high pollution)
300–500	250–500	VI (severe pollution)