Firozabad vs Hosur
Side-by-side air quality comparison between Firozabad 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, Firozabad averaged an AQI of 73 while Hosur averaged 90 — a 17-point (23%) gap, with Hosur the more polluted and Firozabad the cleaner of the two. On 91 days when both cities reported, Hosur was cleaner on 57 of them; the average daily gap was 41 AQI points.
Seasonality & days
Firozabad peaks in January, while Hosur peaks in December. Firozabad logged 0.6% Severe days and 56.6% Good-or-Satisfactory days; Hosur was 0% Severe and 73.89999999999999% Good-or-Satisfactory. Longest clean-air streaks: Firozabad 68 days, Hosur 10 days.
Year-over-year progress
The worst recorded day for Firozabad reached AQI 489 at Nagla Bhau (UPPCB) on 2021-11-09; Hosur hit AQI 232 at SIPCOT Phase-1 (TNPCB) on 2022-10-25.
Station-level disparity
Firozabad spans 2 CPCB stations with a 19-point spread (min 88, max 107); Hosur spans 1 stations with a 0-point spread (min 90, max 90).