Imphal vs Vellore
Side-by-side air quality comparison between Imphal and Vellore.
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 | Imphal | Vellore |
|---|---|---|
| PM2.5(µg/m³) | 45.80 | 8.00 |
| PM10(µg/m³) | 53.10 | 10.00 |
| NO₂(µg/m³) | 12.00 | 11.40 |
| SO₂(µg/m³) | 2.30 | 4.50 |
| O₃(µg/m³) | 33.00 | 41.00 |
| CO(µg/m³) | 414.00 | 175.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Imphal averaged an AQI of 110 while Vellore averaged 61 — a 49-point (80%) gap, with Imphal the more polluted and Vellore the cleaner of the two. On 205 days when both cities reported, Vellore was cleaner on 183 of them; the average daily gap was 69 AQI points.
Seasonality & days
Imphal peaks in October, while Vellore peaks in December. Imphal logged 1.1% Severe days and 49.400000000000006% Good-or-Satisfactory days; Vellore was 0% Severe and 83.5% Good-or-Satisfactory. Longest clean-air streaks: Imphal 103 days, Vellore 23 days.
Year-over-year progress
Imphal has worsened by 23 AQI points (26.4%) from 2022 to 2024; Vellore has improved by 10 AQI points (14.1%) over the same window. The worst recorded day for Imphal reached AQI 500 at University Imphal (PCB) on 2024-10-11; Vellore hit AQI 245 at Vasanthapuram (TNPCB) on 2024-01-14.
Station-level disparity
Imphal spans 2 CPCB stations with a 4-point spread (min 97, max 101); Vellore spans 1 stations with a 0-point spread (min 70, max 70).
Verdict
🏆 Vellore has better air quality with an AQI of 13 compared to Imphal's 77. That's a significant difference of 64 points.