Gadag vs Tiruchirappalli
Side-by-side air quality comparison between Gadag 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 | Gadag | Tiruchirappalli |
|---|---|---|
| PM2.5(µg/m³) | 6.00 | 5.60 |
| PM10(µg/m³) | 10.40 | 6.40 |
| NO₂(µg/m³) | 5.10 | 6.80 |
| SO₂(µg/m³) | 1.30 | 3.40 |
| O₃(µg/m³) | 43.00 | 40.00 |
| CO(µg/m³) | 119.00 | 134.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Gadag averaged an AQI of 53 while Tiruchirappalli averaged 50 — a 3-point (6%) gap, with Gadag the more polluted and Tiruchirappalli the cleaner of the two. On 83 days when both cities reported, Tiruchirappalli was cleaner on 49 of them; the average daily gap was 14 AQI points.
Seasonality & days
Gadag peaks in March, while Tiruchirappalli peaks in January. Gadag logged 0.3% Severe days and 96.1% Good-or-Satisfactory days; Tiruchirappalli was 0% Severe and 96.5% Good-or-Satisfactory. Longest clean-air streaks: Gadag 50 days, Tiruchirappalli 46 days.
Year-over-year progress
Gadag has worsened by 10 AQI points (23.3%) from 2021 to 2024; Tiruchirappalli has improved by 23 AQI points (31.5%) over the same window. The worst recorded day for Gadag reached AQI 500 at Panchal Nagar (KSPCB) on 2022-12-10; Tiruchirappalli hit AQI 114 at St Joseph College (TNPCB) on 2024-01-14.
Station-level disparity
Gadag spans 1 CPCB stations with a 0-point spread (min 54, max 54); 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 Gadag's 10.