Tumkur vs Vellore
Side-by-side air quality comparison between Tumkur and Vellore.
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 | Tumkur | Vellore |
|---|---|---|
| PM2.5(µg/m³) | 3.40 | 7.00 |
| PM10(µg/m³) | 4.50 | 8.40 |
| NO₂(µg/m³) | 6.40 | 8.50 |
| SO₂(µg/m³) | 1.30 | 4.30 |
| O₃(µg/m³) | 35.00 | 44.00 |
| CO(µg/m³) | 124.00 | 141.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Tumkur averaged an AQI of 88 while Vellore averaged 61 — a 27-point (44%) gap, with Tumkur the more polluted and Vellore the cleaner of the two. On 189 days when both cities reported, Vellore was cleaner on 140 of them; the average daily gap was 49 AQI points.
Seasonality & days
Both cities see their worst air in December on average. Tumkur logged 0% Severe days and 54% Good-or-Satisfactory days; Vellore was 0% Severe and 83.5% Good-or-Satisfactory. Longest clean-air streaks: Tumkur 20 days, Vellore 23 days.
Year-over-year progress
Tumkur has improved by 69 AQI points (43.9%) from 2022 to 2024; Vellore has improved by 10 AQI points (14.1%) over the same window. The worst recorded day for Tumkur reached AQI 355 at Thimmalapura (KSPCB) on 2023-02-15; Vellore hit AQI 245 at Vasanthapuram (TNPCB) on 2024-01-14.
Station-level disparity
Tumkur spans 1 CPCB stations with a 0-point spread (min 97, max 97); Vellore spans 1 stations with a 0-point spread (min 70, max 70).
Verdict
🏆 Tumkur has better air quality with an AQI of 6 compared to Vellore's 12.