Perundurai vs Tirupati
Side-by-side air quality comparison between Perundurai and Tirupati.
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 Tirupati averaged 75 — a 0-point (0%) gap, with Tirupati the more polluted and Perundurai the cleaner of the two. On 41 days when both cities reported, Perundurai was cleaner on 30 of them; the average daily gap was 41 AQI points.
Seasonality & days
Perundurai peaks in November, while Tirupati peaks in April. Perundurai logged 0% Severe days and 80.7% Good-or-Satisfactory days; Tirupati was 0% Severe and 84% Good-or-Satisfactory. Longest clean-air streaks: Perundurai 13 days, Tirupati 36 days.
Year-over-year progress
The worst recorded day for Perundurai reached AQI 153 at SIPCOT Industrial Park (TNPCB) on 2024-11-12; Tirupati hit AQI 263 at Vaikuntapuram (APPCB) on 2022-11-16.
Station-level disparity
Perundurai spans 1 CPCB stations with a 0-point spread (min 75, max 75); Tirupati spans 1 stations with a 0-point spread (min 75, max 75).