Ramanathapuram vs Thrissur
Side-by-side air quality comparison between Ramanathapuram 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 | Ramanathapuram | Thrissur |
|---|---|---|
| PM2.5(µg/m³) | 5.60 | 8.60 |
| PM10(µg/m³) | 8.30 | 10.10 |
| NO₂(µg/m³) | 4.20 | 9.80 |
| SO₂(µg/m³) | 4.00 | 3.30 |
| O₃(µg/m³) | 31.00 | 29.00 |
| CO(µg/m³) | 143.00 | 163.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ramanathapuram averaged an AQI of 42 while Thrissur averaged 57 — a 15-point (36%) gap, with Thrissur the more polluted and Ramanathapuram the cleaner of the two. On 581 days when both cities reported, Ramanathapuram was cleaner on 453 of them; the average daily gap was 33 AQI points.
Seasonality & days
Ramanathapuram peaks in January, while Thrissur peaks in February. Ramanathapuram logged 0% Severe days and 94.4% Good-or-Satisfactory days; Thrissur was 0% Severe and 88.4% Good-or-Satisfactory. Longest clean-air streaks: Ramanathapuram 46 days, Thrissur 52 days.
Year-over-year progress
Ramanathapuram has improved by 18 AQI points (30%) from 2022 to 2024; Thrissur has improved by 21 AQI points (26.9%) over the same window. The worst recorded day for Ramanathapuram reached AQI 246 at Chalai Bazaar (TNPCB) on 2022-12-07; Thrissur hit AQI 181 at Corporation Ground Thrissur (PCB) on 2023-01-09.
Station-level disparity
Ramanathapuram spans 1 CPCB stations with a 0-point spread (min 48, max 48); Thrissur spans 1 stations with a 0-point spread (min 68, max 68).
Verdict
🏆 Ramanathapuram has better air quality with an AQI of 9 compared to Thrissur's 14.