Aizawl vs Chittoor
Side-by-side air quality comparison between Aizawl and Chittoor.
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 | Chittoor |
|---|---|---|
| PM2.5(µg/m³) | 30.30 | 6.10 |
| PM10(µg/m³) | 39.70 | 7.70 |
| NO₂(µg/m³) | 8.00 | 8.70 |
| SO₂(µg/m³) | 3.30 | 3.20 |
| O₃(µg/m³) | 48.00 | 46.00 |
| CO(µg/m³) | 254.00 | 223.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Aizawl averaged an AQI of 46 while Chittoor averaged 76 — a 30-point (65%) gap, with Chittoor the more polluted and Aizawl the cleaner of the two. On 480 days when both cities reported, Aizawl was cleaner on 368 of them; the average daily gap was 39 AQI points.
Seasonality & days
Aizawl peaks in March, while Chittoor peaks in October. Aizawl logged 0% Severe days and 94.2% Good-or-Satisfactory days; Chittoor was 0% Severe and 84.9% Good-or-Satisfactory. Longest clean-air streaks: Aizawl 76 days, Chittoor 37 days.
Year-over-year progress
Aizawl has worsened by 16 AQI points (53.3%) from 2020 to 2024; Chittoor has worsened by 5 AQI points (7%) over the same window. The worst recorded day for Aizawl reached AQI 208 at Sikulpuikawn Aizawl (PCB) on 2021-01-20; Chittoor hit AQI 348 at Gangineni Cheruvu (APPCB) on 2023-11-13.
Station-level disparity
Aizawl spans 1 CPCB stations with a 0-point spread (min 43, max 43); Chittoor spans 1 stations with a 0-point spread (min 72, max 72).
Verdict
🏆 Chittoor has better air quality with an AQI of 10 compared to Aizawl's 51.