Imphal vs Silchar
Side-by-side air quality comparison between Imphal and Silchar.
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 | Silchar |
|---|---|---|
| PM2.5(µg/m³) | 36.40 | 35.20 |
| PM10(µg/m³) | 44.50 | 45.10 |
| NO₂(µg/m³) | 7.20 | 10.60 |
| SO₂(µg/m³) | 2.20 | 6.70 |
| O₃(µg/m³) | 60.00 | 100.00 |
| CO(µg/m³) | 323.00 | 270.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Imphal averaged an AQI of 110 while Silchar averaged 52 — a 58-point (112%) gap, with Imphal the more polluted and Silchar the cleaner of the two. On 286 days when both cities reported, Silchar was cleaner on 286 of them; the average daily gap was 66 AQI points.
Seasonality & days
Imphal peaks in October, while Silchar peaks in February. Imphal logged 1.1% Severe days and 49.400000000000006% Good-or-Satisfactory days; Silchar was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Imphal 103 days, Silchar 87 days.
Year-over-year progress
Imphal has worsened by 23 AQI points (26.4%) from 2022 to 2024; Silchar has worsened by 11 AQI points (26.8%) over the same window. The worst recorded day for Imphal reached AQI 500 at University Imphal (PCB) on 2024-10-11; Silchar hit AQI 89 at Tarapur (PCBA) on 2023-04-29.
Station-level disparity
Imphal spans 2 CPCB stations with a 4-point spread (min 97, max 101); Silchar spans 1 stations with a 0-point spread (min 47, max 47).
Verdict
🏆 Silchar has better air quality with an AQI of 59 compared to Imphal's 61.