Imphal vs Tirunelveli
Side-by-side air quality comparison between Imphal and Tirunelveli.
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 | Tirunelveli |
|---|---|---|
| PM2.5(µg/m³) | 36.40 | 4.30 |
| PM10(µg/m³) | 44.50 | 5.30 |
| NO₂(µg/m³) | 7.20 | 6.20 |
| SO₂(µg/m³) | 2.20 | 1.80 |
| O₃(µg/m³) | 60.00 | 26.00 |
| CO(µg/m³) | 323.00 | 139.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Imphal averaged an AQI of 110 while Tirunelveli averaged 30 — a 80-point (267%) gap, with Imphal the more polluted and Tirunelveli the cleaner of the two. On 82 days when both cities reported, Tirunelveli was cleaner on 82 of them; the average daily gap was 108 AQI points.
Seasonality & days
Both cities see their worst air in October on average. Imphal logged 1.1% Severe days and 49.400000000000006% Good-or-Satisfactory days; Tirunelveli was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Imphal 103 days, Tirunelveli 31 days.
Year-over-year progress
The worst recorded day for Imphal reached AQI 500 at University Imphal (PCB) on 2024-10-11; Tirunelveli hit AQI 42 at Municipal Corporation Office (TNPCB) on 2024-10-30.
Station-level disparity
Imphal spans 2 CPCB stations with a 4-point spread (min 97, max 101); Tirunelveli spans 1 stations with a 0-point spread (min 30, max 30).
Verdict
🏆 Tirunelveli has better air quality with an AQI of 7 compared to Imphal's 61. That's a significant difference of 54 points.