Perundurai vs Tiruchirappalli
Side-by-side air quality comparison between Perundurai and Tiruchirappalli.
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, Perundurai averaged an AQI of 75 while Tiruchirappalli averaged 50 — a 25-point (50%) gap, with Perundurai the more polluted and Tiruchirappalli the cleaner of the two. On 48 days when both cities reported, Tiruchirappalli was cleaner on 44 of them; the average daily gap was 26 AQI points.
Seasonality & days
Perundurai peaks in November, while Tiruchirappalli peaks in January. Perundurai logged 0% Severe days and 80.7% Good-or-Satisfactory days; Tiruchirappalli was 0% Severe and 96.5% Good-or-Satisfactory. Longest clean-air streaks: Perundurai 13 days, Tiruchirappalli 46 days.
Year-over-year progress
The worst recorded day for Perundurai reached AQI 153 at SIPCOT Industrial Park (TNPCB) on 2024-11-12; Tiruchirappalli hit AQI 114 at St Joseph College (TNPCB) on 2024-01-14.
Station-level disparity
Perundurai spans 1 CPCB stations with a 0-point spread (min 75, max 75); Tiruchirappalli spans 1 stations with a 0-point spread (min 52, max 52).