Chittoor vs Hubli-Dharwad
Side-by-side air quality comparison between Chittoor and Hubli-Dharwad.
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 | Hubli-Dharwad |
|---|---|---|
| PM2.5(µg/m³) | 6.10 | 5.50 |
| PM10(µg/m³) | 7.70 | 8.80 |
| NO₂(µg/m³) | 8.70 | 6.30 |
| SO₂(µg/m³) | 3.20 | 1.20 |
| O₃(µg/m³) | 46.00 | 36.00 |
| CO(µg/m³) | 223.00 | 112.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chittoor averaged an AQI of 76 while Hubli-Dharwad averaged 64 — a 12-point (19%) gap, with Chittoor the more polluted and Hubli-Dharwad the cleaner of the two. On 553 days when both cities reported, Chittoor was cleaner on 353 of them; the average daily gap was 35 AQI points.
Seasonality & days
Chittoor peaks in October, while Hubli-Dharwad peaks in February. Chittoor logged 0% Severe days and 84.9% Good-or-Satisfactory days; Hubli-Dharwad was 0% Severe and 74.1% Good-or-Satisfactory. Longest clean-air streaks: Chittoor 37 days, Hubli-Dharwad 180 days.
Year-over-year progress
Chittoor has worsened by 5 AQI points (7%) from 2022 to 2024; Hubli-Dharwad has improved by 18 AQI points (22%) over the same window. The worst recorded day for Chittoor reached AQI 348 at Gangineni Cheruvu (APPCB) on 2023-11-13; Hubli-Dharwad hit AQI 500 at Deshpande Nagar (KSPCB) on 2018-05-21.
Station-level disparity
Chittoor spans 1 CPCB stations with a 0-point spread (min 72, max 72); Hubli-Dharwad spans 2 stations with a 6-point spread (min 73, max 79).
Verdict
🏆 Hubli-Dharwad has better air quality with an AQI of 9 compared to Chittoor's 10.