Dindigul vs Hubli-Dharwad
Side-by-side air quality comparison between Dindigul 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 | Dindigul | Hubli-Dharwad |
|---|---|---|
| PM2.5(µg/m³) | 18.40 | 5.50 |
| PM10(µg/m³) | 19.80 | 8.80 |
| NO₂(µg/m³) | 25.60 | 6.30 |
| SO₂(µg/m³) | 2.80 | 1.20 |
| O₃(µg/m³) | 5.00 | 36.00 |
| CO(µg/m³) | 209.00 | 112.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dindigul averaged an AQI of 61 while Hubli-Dharwad averaged 64 — a 3-point (5%) gap, with Hubli-Dharwad the more polluted and Dindigul the cleaner of the two. On 277 days when both cities reported, Dindigul was cleaner on 157 of them; the average daily gap was 53 AQI points.
Seasonality & days
Both cities see their worst air in February on average. Dindigul logged 0% Severe days and 67.3% Good-or-Satisfactory days; Hubli-Dharwad was 0% Severe and 74.1% Good-or-Satisfactory. Longest clean-air streaks: Dindigul 22 days, Hubli-Dharwad 180 days.
Year-over-year progress
Dindigul has improved by 29 AQI points (32.2%) from 2022 to 2024; Hubli-Dharwad has improved by 18 AQI points (22%) over the same window. The worst recorded day for Dindigul reached AQI 352 at Mendonsa Colony (TNPCB) on 2023-03-12; Hubli-Dharwad hit AQI 500 at Deshpande Nagar (KSPCB) on 2018-05-21.
Station-level disparity
Dindigul spans 1 CPCB stations with a 0-point spread (min 102, max 102); 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 Dindigul's 31.