Aizawl vs Ooty
Side-by-side air quality comparison between Aizawl 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 | Aizawl | Ooty |
|---|---|---|
| PM2.5(µg/m³) | 23.70 | 4.90 |
| PM10(µg/m³) | 34.10 | 5.30 |
| NO₂(µg/m³) | 4.90 | 5.70 |
| SO₂(µg/m³) | 3.20 | 0.90 |
| O₃(µg/m³) | 63.00 | 38.00 |
| CO(µg/m³) | 238.00 | 132.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Aizawl averaged an AQI of 46 while Ooty averaged 58 — a 12-point (26%) gap, with Ooty the more polluted and Aizawl the cleaner of the two. On 524 days when both cities reported, Aizawl was cleaner on 368 of them; the average daily gap was 30 AQI points.
Seasonality & days
Aizawl peaks in March, while Ooty peaks in May. Aizawl logged 0% Severe days and 94.2% Good-or-Satisfactory days; Ooty was 0% Severe and 94.2% Good-or-Satisfactory. Longest clean-air streaks: Aizawl 76 days, Ooty 22 days.
Year-over-year progress
Aizawl has worsened by 16 AQI points (53.3%) from 2020 to 2024; Ooty is essentially flat over the same window. The worst recorded day for Aizawl reached AQI 208 at Sikulpuikawn Aizawl (PCB) on 2021-01-20; Ooty hit AQI 164 at Bombay Castel (TNPCB) on 2024-12-17.
Station-level disparity
Aizawl spans 1 CPCB stations with a 0-point spread (min 43, max 43); Ooty spans 1 stations with a 0-point spread (min 59, max 59).
Verdict
🏆 Ooty has better air quality with an AQI of 8 compared to Aizawl's 40.