Perundurai vs Thrissur
Side-by-side air quality comparison between Perundurai and Thrissur.
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
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Perundurai | Thrissur |
|---|---|---|
| PM2.5(µg/m³) | 9.20 | 8.60 |
| PM10(µg/m³) | 10.30 | 10.10 |
| NO₂(µg/m³) | 10.50 | 9.80 |
| SO₂(µg/m³) | 3.60 | 3.30 |
| O₃(µg/m³) | 35.00 | 29.00 |
| CO(µg/m³) | 172.00 | 163.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Perundurai averaged an AQI of 75 while Thrissur averaged 57 — a 18-point (32%) gap, with Perundurai the more polluted and Thrissur the cleaner of the two. On 55 days when both cities reported, Thrissur was cleaner on 43 of them; the average daily gap was 29 AQI points.
Seasonality & days
Perundurai peaks in November, while Thrissur peaks in February. Perundurai logged 0% Severe days and 80.7% Good-or-Satisfactory days; Thrissur was 0% Severe and 88.4% Good-or-Satisfactory. Longest clean-air streaks: Perundurai 13 days, Thrissur 52 days.
Year-over-year progress
The worst recorded day for Perundurai reached AQI 153 at SIPCOT Industrial Park (TNPCB) on 2024-11-12; Thrissur hit AQI 181 at Corporation Ground Thrissur (PCB) on 2023-01-09.
Station-level disparity
Perundurai spans 1 CPCB stations with a 0-point spread (min 75, max 75); Thrissur spans 1 stations with a 0-point spread (min 68, max 68).
Verdict
🏆 Thrissur has better air quality with an AQI of 14 compared to Perundurai's 15.