Chittoor vs Tumkur
Side-by-side air quality comparison between Chittoor 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 | Chittoor | Tumkur |
|---|---|---|
| PM2.5(µg/m³) | 6.10 | 3.40 |
| PM10(µg/m³) | 7.70 | 4.50 |
| NO₂(µg/m³) | 7.30 | 6.40 |
| SO₂(µg/m³) | 3.10 | 1.30 |
| O₃(µg/m³) | 47.00 | 35.00 |
| CO(µg/m³) | 212.00 | 124.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chittoor averaged an AQI of 76 while Tumkur averaged 88 — a 12-point (16%) gap, with Tumkur the more polluted and Chittoor the cleaner of the two. On 392 days when both cities reported, Chittoor was cleaner on 287 of them; the average daily gap was 47 AQI points.
Seasonality & days
Chittoor peaks in October, while Tumkur peaks in December. Chittoor logged 0% Severe days and 84.9% Good-or-Satisfactory days; Tumkur was 0% Severe and 54% Good-or-Satisfactory. Longest clean-air streaks: Chittoor 37 days, Tumkur 20 days.
Year-over-year progress
Chittoor has worsened by 5 AQI points (7%) from 2022 to 2024; Tumkur has improved by 69 AQI points (43.9%) over the same window. The worst recorded day for Chittoor reached AQI 348 at Gangineni Cheruvu (APPCB) on 2023-11-13; Tumkur hit AQI 355 at Thimmalapura (KSPCB) on 2023-02-15.
Station-level disparity
Chittoor spans 1 CPCB stations with a 0-point spread (min 72, max 72); 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 Chittoor's 10.