Hubli-Dharwad vs Ooty
Side-by-side air quality comparison between Hubli-Dharwad and Ooty.
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 | Hubli-Dharwad | Ooty |
|---|---|---|
| PM2.5(µg/m³) | 5.50 | 4.40 |
| PM10(µg/m³) | 8.70 | 5.20 |
| NO₂(µg/m³) | 6.00 | 7.00 |
| SO₂(µg/m³) | 1.20 | 0.90 |
| O₃(µg/m³) | 36.00 | 31.00 |
| CO(µg/m³) | 114.00 | 124.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hubli-Dharwad averaged an AQI of 64 while Ooty averaged 58 — a 6-point (10%) gap, with Hubli-Dharwad the more polluted and Ooty the cleaner of the two. On 590 days when both cities reported, Ooty was cleaner on 473 of them; the average daily gap was 37 AQI points.
Seasonality & days
Hubli-Dharwad peaks in February, while Ooty peaks in May. Hubli-Dharwad logged 0% Severe days and 74.1% Good-or-Satisfactory days; Ooty was 0% Severe and 94.2% Good-or-Satisfactory. Longest clean-air streaks: Hubli-Dharwad 180 days, Ooty 22 days.
Year-over-year progress
Hubli-Dharwad has improved by 18 AQI points (22%) from 2018 to 2024; Ooty is essentially flat over the same window. The worst recorded day for Hubli-Dharwad reached AQI 500 at Deshpande Nagar (KSPCB) on 2018-05-21; Ooty hit AQI 164 at Bombay Castel (TNPCB) on 2024-12-17.
Station-level disparity
Hubli-Dharwad spans 2 CPCB stations with a 6-point spread (min 73, max 79); Ooty spans 1 stations with a 0-point spread (min 59, max 59).
Verdict
🏆 Ooty has better air quality with an AQI of 7 compared to Hubli-Dharwad's 9.