Cuddalore vs Imphal
Side-by-side air quality comparison between Cuddalore and Imphal.
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 | Cuddalore | Imphal |
|---|---|---|
| PM2.5(µg/m³) | 13.10 | 45.80 |
| PM10(µg/m³) | 16.60 | 53.10 |
| NO₂(µg/m³) | 17.00 | 12.00 |
| SO₂(µg/m³) | 7.60 | 2.30 |
| O₃(µg/m³) | 36.00 | 33.00 |
| CO(µg/m³) | 507.00 | 414.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Cuddalore averaged an AQI of 52 while Imphal averaged 110 — a 58-point (112%) gap, with Imphal the more polluted and Cuddalore the cleaner of the two. On 267 days when both cities reported, Cuddalore was cleaner on 238 of them; the average daily gap was 70 AQI points.
Seasonality & days
Cuddalore peaks in January, while Imphal peaks in October. Cuddalore logged 0% Severe days and 90.6% Good-or-Satisfactory days; Imphal was 1.1% Severe and 49.400000000000006% Good-or-Satisfactory. Longest clean-air streaks: Cuddalore 34 days, Imphal 103 days.
Year-over-year progress
The worst recorded day for Cuddalore reached AQI 329 at Kudikadu (TNPCB) on 2024-04-05; Imphal hit AQI 500 at University Imphal (PCB) on 2024-10-11.
Station-level disparity
Cuddalore spans 2 CPCB stations with a 11-point spread (min 46, max 57); Imphal spans 2 stations with a 4-point spread (min 97, max 101).
Verdict
🏆 Cuddalore has better air quality with an AQI of 22 compared to Imphal's 77. That's a significant difference of 55 points.