Tirunelveli vs Tumkur
Side-by-side air quality comparison between Tirunelveli and Tumkur.
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 | Tirunelveli | Tumkur |
|---|---|---|
| PM2.5(µg/m³) | 4.30 | 3.70 |
| PM10(µg/m³) | 5.30 | 4.60 |
| NO₂(µg/m³) | 6.20 | 7.70 |
| SO₂(µg/m³) | 1.80 | 1.50 |
| O₃(µg/m³) | 26.00 | 32.00 |
| CO(µg/m³) | 139.00 | 124.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Tirunelveli averaged an AQI of 30 while Tumkur averaged 88 — a 58-point (193%) gap, with Tumkur the more polluted and Tirunelveli the cleaner of the two. On 91 days when both cities reported, Tirunelveli was cleaner on 91 of them; the average daily gap was 52 AQI points.
Seasonality & days
Tirunelveli peaks in October, while Tumkur peaks in December. Tirunelveli logged 0% Severe days and 100% Good-or-Satisfactory days; Tumkur was 0% Severe and 54% Good-or-Satisfactory. Longest clean-air streaks: Tirunelveli 31 days, Tumkur 20 days.
Year-over-year progress
The worst recorded day for Tirunelveli reached AQI 42 at Municipal Corporation Office (TNPCB) on 2024-10-30; Tumkur hit AQI 355 at Thimmalapura (KSPCB) on 2023-02-15.
Station-level disparity
Tirunelveli spans 1 CPCB stations with a 0-point spread (min 30, max 30); Tumkur spans 1 stations with a 0-point spread (min 97, max 97).
Verdict
🏆 Tumkur has better air quality with an AQI of 6 compared to Tirunelveli's 7.