Delhi vs Hosur
Side-by-side air quality comparison between Delhi and Hosur.
Live AQI from Open-Meteo CAMS (~45 km global model, updated hourly). Multi-year history from CPCB station data via aqinow.co pipeline (2016–2024, station-level daily records).
AQI Comparison
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Delhi averaged an AQI of 210 while Hosur averaged 90 — a 120-point (133%) gap, with Delhi the more polluted and Hosur the cleaner of the two. On 96 days when both cities reported, Hosur was cleaner on 93 of them; the average daily gap was 219 AQI points.
Seasonality & days
Delhi peaks in November, while Hosur peaks in December. Delhi logged 18.7% Severe days and 1.7% Good-or-Satisfactory days; Hosur was 0% Severe and 73.89999999999999% Good-or-Satisfactory. Longest clean-air streaks: Delhi 3 days, Hosur 10 days.
Year-over-year progress
The worst recorded day for Delhi reached AQI 500 at Ashok Vihar (DPCC) on 2024-11-18; Hosur hit AQI 232 at SIPCOT Phase-1 (TNPCB) on 2022-10-25.
Station-level disparity
Delhi spans 39 CPCB stations with a 84-point spread (min 178, max 262); Hosur spans 1 stations with a 0-point spread (min 90, max 90).