Shivamogga vs Tiruchirappalli
Side-by-side air quality comparison between Shivamogga and Tiruchirappalli.
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 | Tiruchirappalli |
|---|---|---|
| PM2.5(µg/m³) | 7.00 | 5.40 |
| PM10(µg/m³) | 9.10 | 6.60 |
| NO₂(µg/m³) | 5.90 | 7.20 |
| SO₂(µg/m³) | 1.70 | 3.10 |
| O₃(µg/m³) | 32.00 | 38.00 |
| CO(µg/m³) | 140.00 | 134.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Shivamogga averaged an AQI of 55 while Tiruchirappalli averaged 50 — a 5-point (10%) gap, with Shivamogga the more polluted and Tiruchirappalli the cleaner of the two. On 82 days when both cities reported, Tiruchirappalli was cleaner on 45 of them; the average daily gap was 18 AQI points.
Seasonality & days
Shivamogga peaks in February, while Tiruchirappalli peaks in January. Shivamogga logged 0% Severe days and 97.5% Good-or-Satisfactory days; Tiruchirappalli was 0% Severe and 96.5% Good-or-Satisfactory. Longest clean-air streaks: Shivamogga 233 days, Tiruchirappalli 46 days.
Year-over-year progress
Shivamogga has improved by 16 AQI points (22.5%) from 2020 to 2024; Tiruchirappalli has improved by 23 AQI points (31.5%) over the same window. The worst recorded day for Shivamogga reached AQI 202 at Vinoba Nagara (KSPCB) on 2021-08-04; Tiruchirappalli hit AQI 114 at St Joseph College (TNPCB) on 2024-01-14.
Station-level disparity
Shivamogga spans 1 CPCB stations with a 0-point spread (min 56, max 56); Tiruchirappalli spans 1 stations with a 0-point spread (min 52, max 52).
Verdict
🏆 Tiruchirappalli has better air quality with an AQI of 9 compared to Shivamogga's 12.