Aizawl vs Nagapattinam
Side-by-side air quality comparison between Aizawl and Nagapattinam.
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 | Nagapattinam |
|---|---|---|
| PM2.5(µg/m³) | 23.70 | 12.50 |
| PM10(µg/m³) | 34.10 | 16.20 |
| NO₂(µg/m³) | 4.90 | 9.80 |
| SO₂(µg/m³) | 3.20 | 4.10 |
| O₃(µg/m³) | 63.00 | 38.00 |
| CO(µg/m³) | 238.00 | 211.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Aizawl averaged an AQI of 46 while Nagapattinam averaged 60 — a 14-point (30%) gap, with Nagapattinam the more polluted and Aizawl the cleaner of the two. On 46 days when both cities reported, Aizawl was cleaner on 31 of them; the average daily gap was 37 AQI points.
Seasonality & days
Aizawl peaks in March, while Nagapattinam peaks in November. Aizawl logged 0% Severe days and 94.2% Good-or-Satisfactory days; Nagapattinam was 0% Severe and 91.5% Good-or-Satisfactory. Longest clean-air streaks: Aizawl 76 days, Nagapattinam 8 days.
Year-over-year progress
The worst recorded day for Aizawl reached AQI 208 at Sikulpuikawn Aizawl (PCB) on 2021-01-20; Nagapattinam hit AQI 113 at Velippalayam (TNPCB) on 2024-12-16.
Station-level disparity
Aizawl spans 1 CPCB stations with a 0-point spread (min 43, max 43); Nagapattinam spans 1 stations with a 0-point spread (min 60, max 60).
Verdict
🏆 Nagapattinam has better air quality with an AQI of 21 compared to Aizawl's 40.