MUMBAI: The city recorded an average AQI of 124 (moderate), according to official data. But readings from private sensors using the US AQI scale indicated higher pollution levels, with the average at 172 and readings fluctuating between 165 and 186 through the day.Private sensors recorded an average US AQI of 179 near Juhu’s JVPD Scheme and 177 at Bandra Hill Road, where readings ranged from 169 to 198.At the US Consulate in BKC, readings ranged from 184 to 229.Official data put BKC highest at 169, followed by Andheri East (162), Mazgaon and Worli (161 each), Mankhurd (151) and Colaba (149). Ghatkopar recorded the cleanest air, with an AQI of 38 (good), followed by Kandivli at 64 (satisfactory) and Powai at 98.In the rest of the region, Navi Mumbai’s average AQI was 118 (moderate). Mahape was the most polluted at 141, followed by Nerul (139).Taloja recorded the lowest AQI at 102, followed by Sanpada (104). Thane’s average AQI was 120 (moderate).