Imphal vs Thiruvananthapuram
Side-by-side air quality comparison between Imphal and Thiruvananthapuram.
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 | Thiruvananthapuram |
|---|---|---|
| PM2.5(µg/m³) | 45.80 | 5.50 |
| PM10(µg/m³) | 53.10 | 10.00 |
| NO₂(µg/m³) | 12.00 | 1.70 |
| SO₂(µg/m³) | 2.30 | 0.50 |
| O₃(µg/m³) | 33.00 | 37.00 |
| CO(µg/m³) | 414.00 | 85.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Imphal averaged an AQI of 110 while Thiruvananthapuram averaged 56 — a 54-point (96%) gap, with Imphal the more polluted and Thiruvananthapuram the cleaner of the two. On 548 days when both cities reported, Thiruvananthapuram was cleaner on 493 of them; the average daily gap was 50 AQI points.
Seasonality & days
Imphal peaks in October, while Thiruvananthapuram peaks in January. Imphal logged 1.1% Severe days and 49.400000000000006% Good-or-Satisfactory days; Thiruvananthapuram was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Imphal 103 days, Thiruvananthapuram 172 days.
Year-over-year progress
Imphal has worsened by 23 AQI points (26.4%) from 2022 to 2024; Thiruvananthapuram has improved by 11 AQI points (16.4%) over the same window. The worst recorded day for Imphal reached AQI 500 at University Imphal (PCB) on 2024-10-11; Thiruvananthapuram hit AQI 387 at Plammoodu Thiruvananthapuram (PCB) on 2021-08-30.
Station-level disparity
Imphal spans 2 CPCB stations with a 4-point spread (min 97, max 101); Thiruvananthapuram spans 2 stations with a 7-point spread (min 57, max 64).
Verdict
🏆 Thiruvananthapuram has better air quality with an AQI of 10 compared to Imphal's 77. That's a significant difference of 67 points.