Shivamogga vs Thrissur
Side-by-side air quality comparison between Shivamogga 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 | Shivamogga | Thrissur |
|---|---|---|
| PM2.5(µg/m³) | 6.90 | 8.60 |
| PM10(µg/m³) | 9.10 | 10.10 |
| NO₂(µg/m³) | 5.20 | 9.80 |
| SO₂(µg/m³) | 1.90 | 3.30 |
| O₃(µg/m³) | 35.00 | 29.00 |
| CO(µg/m³) | 137.00 | 163.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Shivamogga averaged an AQI of 55 while Thrissur averaged 57 — a 2-point (4%) gap, with Thrissur the more polluted and Shivamogga the cleaner of the two. On 1089 days when both cities reported, Shivamogga was cleaner on 727 of them; the average daily gap was 19 AQI points.
Seasonality & days
Both cities see their worst air in February on average. Shivamogga logged 0% Severe days and 97.5% Good-or-Satisfactory days; Thrissur was 0% Severe and 88.4% Good-or-Satisfactory. Longest clean-air streaks: Shivamogga 233 days, Thrissur 52 days.
Year-over-year progress
Shivamogga has improved by 16 AQI points (22.5%) from 2020 to 2024; Thrissur has improved by 21 AQI points (26.9%) over the same window. The worst recorded day for Shivamogga reached AQI 202 at Vinoba Nagara (KSPCB) on 2021-08-04; Thrissur hit AQI 181 at Corporation Ground Thrissur (PCB) on 2023-01-09.
Station-level disparity
Shivamogga spans 1 CPCB stations with a 0-point spread (min 56, max 56); Thrissur spans 1 stations with a 0-point spread (min 68, max 68).
Verdict
🏆 Shivamogga has better air quality with an AQI of 12 compared to Thrissur's 14.