Aizawl vs Perundurai
Side-by-side air quality comparison between Aizawl and Perundurai.
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 | Perundurai |
|---|---|---|
| PM2.5(µg/m³) | 30.30 | 6.80 |
| PM10(µg/m³) | 39.70 | 8.00 |
| NO₂(µg/m³) | 8.00 | 11.30 |
| SO₂(µg/m³) | 3.30 | 3.20 |
| O₃(µg/m³) | 48.00 | 32.00 |
| CO(µg/m³) | 254.00 | 159.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Aizawl averaged an AQI of 46 while Perundurai averaged 75 — a 29-point (63%) gap, with Perundurai the more polluted and Aizawl the cleaner of the two. On 55 days when both cities reported, Aizawl was cleaner on 47 of them; the average daily gap was 43 AQI points.
Seasonality & days
Aizawl peaks in March, while Perundurai peaks in November. Aizawl logged 0% Severe days and 94.2% Good-or-Satisfactory days; Perundurai was 0% Severe and 80.7% Good-or-Satisfactory. Longest clean-air streaks: Aizawl 76 days, Perundurai 13 days.
Year-over-year progress
The worst recorded day for Aizawl reached AQI 208 at Sikulpuikawn Aizawl (PCB) on 2021-01-20; Perundurai hit AQI 153 at SIPCOT Industrial Park (TNPCB) on 2024-11-12.
Station-level disparity
Aizawl spans 1 CPCB stations with a 0-point spread (min 43, max 43); Perundurai spans 1 stations with a 0-point spread (min 75, max 75).
Verdict
🏆 Perundurai has better air quality with an AQI of 11 compared to Aizawl's 51.