Davanagere vs Tirunelveli
Side-by-side air quality comparison between Davanagere and Tirunelveli.
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 | Davanagere | Tirunelveli |
|---|---|---|
| PM2.5(µg/m³) | 5.00 | 1.80 |
| PM10(µg/m³) | 9.60 | 2.40 |
| NO₂(µg/m³) | 1.90 | 1.20 |
| SO₂(µg/m³) | 1.40 | 0.70 |
| O₃(µg/m³) | 66.00 | 51.00 |
| CO(µg/m³) | 124.00 | 104.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Davanagere averaged an AQI of 57 while Tirunelveli averaged 30 — a 27-point (90%) gap, with Davanagere the more polluted and Tirunelveli the cleaner of the two. On 91 days when both cities reported, Tirunelveli was cleaner on 67 of them; the average daily gap was 33 AQI points.
Seasonality & days
Davanagere peaks in March, while Tirunelveli peaks in October. Davanagere logged 0% Severe days and 89.6% Good-or-Satisfactory days; Tirunelveli was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Davanagere 35 days, Tirunelveli 31 days.
Year-over-year progress
The worst recorded day for Davanagere reached AQI 233 at Devaraj Urs Badavane (KSPCB) on 2023-11-15; Tirunelveli hit AQI 42 at Municipal Corporation Office (TNPCB) on 2024-10-30.
Station-level disparity
Davanagere spans 1 CPCB stations with a 0-point spread (min 57, max 57); Tirunelveli spans 1 stations with a 0-point spread (min 30, max 30).
Verdict
🏆 Tirunelveli has better air quality with an AQI of 3 compared to Davanagere's 10.