Gummidipoondi vs Imphal
Side-by-side air quality comparison between Gummidipoondi 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 | Gummidipoondi | Imphal |
|---|---|---|
| PM2.5(µg/m³) | 10.60 | 45.80 |
| PM10(µg/m³) | 11.90 | 53.10 |
| NO₂(µg/m³) | 12.70 | 12.00 |
| SO₂(µg/m³) | 6.00 | 2.30 |
| O₃(µg/m³) | 51.00 | 33.00 |
| CO(µg/m³) | 298.00 | 414.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Gummidipoondi averaged an AQI of 107 while Imphal averaged 110 — a 3-point (3%) gap, with Imphal the more polluted and Gummidipoondi the cleaner of the two. On 397 days when both cities reported, Gummidipoondi was cleaner on 288 of them; the average daily gap was 48 AQI points.
Seasonality & days
Gummidipoondi peaks in November, while Imphal peaks in October. Gummidipoondi logged 0% Severe days and 59.1% Good-or-Satisfactory days; Imphal was 1.1% Severe and 49.400000000000006% Good-or-Satisfactory. Longest clean-air streaks: Gummidipoondi 49 days, Imphal 103 days.
Year-over-year progress
Gummidipoondi has worsened by 8 AQI points (8.1%) from 2021 to 2024; Imphal has worsened by 23 AQI points (26.4%) over the same window. The worst recorded day for Gummidipoondi reached AQI 326 at Anthoni Pillai Nagar (TNPCB) on 2023-12-22; Imphal hit AQI 500 at University Imphal (PCB) on 2024-10-11.
Station-level disparity
Gummidipoondi spans 1 CPCB stations with a 0-point spread (min 99, max 99); Imphal spans 2 stations with a 4-point spread (min 97, max 101).
Verdict
🏆 Gummidipoondi has better air quality with an AQI of 18 compared to Imphal's 77. That's a significant difference of 59 points.