Aizawl vs Ludhiana
Side-by-side air quality comparison between Aizawl and Ludhiana.
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 | Ludhiana |
|---|---|---|
| PM2.5(µg/m³) | 30.30 | 81.70 |
| PM10(µg/m³) | 39.70 | 109.20 |
| NO₂(µg/m³) | 8.00 | 40.40 |
| SO₂(µg/m³) | 3.30 | 15.20 |
| O₃(µg/m³) | 48.00 | 35.00 |
| CO(µg/m³) | 254.00 | 797.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Aizawl averaged an AQI of 46 while Ludhiana averaged 117 — a 71-point (154%) gap, with Ludhiana the more polluted and Aizawl the cleaner of the two. On 496 days when both cities reported, Aizawl was cleaner on 443 of them; the average daily gap was 76 AQI points.
Seasonality & days
Aizawl peaks in March, while Ludhiana peaks in November. Aizawl logged 0% Severe days and 94.2% Good-or-Satisfactory days; Ludhiana was 0.3% Severe and 53.599999999999994% Good-or-Satisfactory. Longest clean-air streaks: Aizawl 76 days, Ludhiana 53 days.
Year-over-year progress
Aizawl has worsened by 16 AQI points (53.3%) from 2020 to 2024; Ludhiana has improved by 79 AQI points (40.3%) over the same window. The worst recorded day for Aizawl reached AQI 208 at Sikulpuikawn Aizawl (PCB) on 2021-01-20; Ludhiana hit AQI 488 at Punjab Agricultural University (PPCB) on 2018-06-14.
Station-level disparity
Aizawl spans 1 CPCB stations with a 0-point spread (min 43, max 43); Ludhiana spans 1 stations with a 0-point spread (min 118, max 118).
Verdict
🏆 Aizawl has better air quality with an AQI of 51 compared to Ludhiana's 173. That's a significant difference of 122 points.