Chittoor vs Coimbatore
Side-by-side air quality comparison between Chittoor and Coimbatore.
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, Chittoor averaged an AQI of 76 while Coimbatore averaged 66 — a 10-point (15%) gap, with Chittoor the more polluted and Coimbatore the cleaner of the two. On 222 days when both cities reported, Coimbatore was cleaner on 115 of them; the average daily gap was 27 AQI points.
Seasonality & days
Chittoor peaks in October, while Coimbatore peaks in November. Chittoor logged 0% Severe days and 84.9% Good-or-Satisfactory days; Coimbatore was 0% Severe and 90.5% Good-or-Satisfactory. Longest clean-air streaks: Chittoor 37 days, Coimbatore 32 days.
Year-over-year progress
Chittoor has worsened by 5 AQI points (7%) from 2022 to 2024; Coimbatore has improved by 5 AQI points (7%) over the same window. The worst recorded day for Chittoor reached AQI 348 at Gangineni Cheruvu (APPCB) on 2023-11-13; Coimbatore hit AQI 279 at SIDCO Kurichi (TNPCB) on 2024-09-28.
Station-level disparity
Chittoor spans 1 CPCB stations with a 0-point spread (min 72, max 72); Coimbatore spans 2 stations with a 1-point spread (min 63, max 64).