Aizawl vs Tirunelveli
Side-by-side air quality comparison between Aizawl and Tirunelveli.
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 | Tirunelveli |
|---|---|---|
| PM2.5(µg/m³) | 30.30 | 4.30 |
| PM10(µg/m³) | 39.70 | 5.30 |
| NO₂(µg/m³) | 8.00 | 6.20 |
| SO₂(µg/m³) | 3.30 | 1.80 |
| O₃(µg/m³) | 48.00 | 26.00 |
| CO(µg/m³) | 254.00 | 139.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Aizawl averaged an AQI of 46 while Tirunelveli averaged 30 — a 16-point (53%) gap, with Aizawl the more polluted and Tirunelveli the cleaner of the two. On 116 days when both cities reported, Tirunelveli was cleaner on 62 of them; the average daily gap was 15 AQI points.
Seasonality & days
Aizawl peaks in March, while Tirunelveli peaks in October. Aizawl logged 0% Severe days and 94.2% Good-or-Satisfactory days; Tirunelveli was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Aizawl 76 days, Tirunelveli 31 days.
Year-over-year progress
The worst recorded day for Aizawl reached AQI 208 at Sikulpuikawn Aizawl (PCB) on 2021-01-20; Tirunelveli hit AQI 42 at Municipal Corporation Office (TNPCB) on 2024-10-30.
Station-level disparity
Aizawl spans 1 CPCB stations with a 0-point spread (min 43, max 43); Tirunelveli spans 1 stations with a 0-point spread (min 30, max 30).
Verdict
🏆 Tirunelveli has better air quality with an AQI of 7 compared to Aizawl's 51.