Perundurai vs Thiruvananthapuram
Side-by-side air quality comparison between Perundurai and Thiruvananthapuram.
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 Thiruvananthapuram averaged 56 — a 19-point (34%) gap, with Perundurai the more polluted and Thiruvananthapuram the cleaner of the two. On 57 days when both cities reported, Perundurai was cleaner on 29 of them; the average daily gap was 32 AQI points.
Seasonality & days
Perundurai peaks in November, while Thiruvananthapuram peaks in January. Perundurai logged 0% Severe days and 80.7% Good-or-Satisfactory days; Thiruvananthapuram was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Perundurai 13 days, Thiruvananthapuram 172 days.
Year-over-year progress
The worst recorded day for Perundurai reached AQI 153 at SIPCOT Industrial Park (TNPCB) on 2024-11-12; Thiruvananthapuram hit AQI 387 at Plammoodu Thiruvananthapuram (PCB) on 2021-08-30.
Station-level disparity
Perundurai spans 1 CPCB stations with a 0-point spread (min 75, max 75); Thiruvananthapuram spans 2 stations with a 7-point spread (min 57, max 64).