Ariyalur vs Imphal
Side-by-side air quality comparison between Ariyalur 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 | Ariyalur | Imphal |
|---|---|---|
| PM2.5(µg/m³) | 6.80 | 36.40 |
| PM10(µg/m³) | 8.30 | 44.50 |
| NO₂(µg/m³) | 7.50 | 7.20 |
| SO₂(µg/m³) | 6.50 | 2.20 |
| O₃(µg/m³) | 43.00 | 60.00 |
| CO(µg/m³) | 133.00 | 323.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ariyalur averaged an AQI of 46 while Imphal averaged 110 — a 64-point (139%) gap, with Imphal the more polluted and Ariyalur the cleaner of the two. On 262 days when both cities reported, Ariyalur was cleaner on 248 of them; the average daily gap was 76 AQI points.
Seasonality & days
Ariyalur peaks in March, while Imphal peaks in October. Ariyalur logged 0% Severe days and 93.8% Good-or-Satisfactory days; Imphal was 1.1% Severe and 49.400000000000006% Good-or-Satisfactory. Longest clean-air streaks: Ariyalur 57 days, Imphal 103 days.
Year-over-year progress
Ariyalur has improved by 35 AQI points (43.2%) from 2022 to 2024; Imphal has worsened by 23 AQI points (26.4%) over the same window. The worst recorded day for Ariyalur reached AQI 221 at Keelapalur (TNPCB) on 2024-04-07; Imphal hit AQI 500 at University Imphal (PCB) on 2024-10-11.
Station-level disparity
Ariyalur spans 1 CPCB stations with a 0-point spread (min 51, max 51); Imphal spans 2 stations with a 4-point spread (min 97, max 101).
Verdict
🏆 Ariyalur has better air quality with an AQI of 11 compared to Imphal's 61.