Aizawl vs Hubli-Dharwad
Side-by-side air quality comparison between Aizawl 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 | Aizawl | Hubli-Dharwad |
|---|---|---|
| PM2.5(µg/m³) | 23.70 | 5.30 |
| PM10(µg/m³) | 34.10 | 8.40 |
| NO₂(µg/m³) | 4.90 | 5.20 |
| SO₂(µg/m³) | 3.20 | 1.20 |
| O₃(µg/m³) | 63.00 | 39.00 |
| CO(µg/m³) | 238.00 | 117.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Aizawl averaged an AQI of 46 while Hubli-Dharwad averaged 64 — a 18-point (39%) gap, with Hubli-Dharwad the more polluted and Aizawl the cleaner of the two. On 1357 days when both cities reported, Aizawl was cleaner on 1182 of them; the average daily gap was 42 AQI points.
Seasonality & days
Aizawl peaks in March, while Hubli-Dharwad peaks in February. Aizawl logged 0% Severe days and 94.2% Good-or-Satisfactory days; Hubli-Dharwad was 0% Severe and 74.1% Good-or-Satisfactory. Longest clean-air streaks: Aizawl 76 days, Hubli-Dharwad 180 days.
Year-over-year progress
Aizawl has worsened by 16 AQI points (53.3%) from 2020 to 2024; Hubli-Dharwad has improved by 18 AQI points (22%) over the same window. The worst recorded day for Aizawl reached AQI 208 at Sikulpuikawn Aizawl (PCB) on 2021-01-20; Hubli-Dharwad hit AQI 500 at Deshpande Nagar (KSPCB) on 2018-05-21.
Station-level disparity
Aizawl spans 1 CPCB stations with a 0-point spread (min 43, max 43); 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 Aizawl's 40.