Imphal vs Karnal
Side-by-side air quality comparison between Imphal and Karnal.
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 | Karnal |
|---|---|---|
| PM2.5(µg/m³) | 45.80 | 110.80 |
| PM10(µg/m³) | 53.10 | 258.90 |
| NO₂(µg/m³) | 12.00 | 55.20 |
| SO₂(µg/m³) | 2.30 | 12.50 |
| O₃(µg/m³) | 33.00 | 10.00 |
| CO(µg/m³) | 414.00 | 1037.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Imphal averaged an AQI of 110 while Karnal averaged 102 — a 8-point (8%) gap, with Imphal the more polluted and Karnal the cleaner of the two. On 504 days when both cities reported, Karnal was cleaner on 269 of them; the average daily gap was 54 AQI points.
Seasonality & days
Imphal peaks in October, while Karnal peaks in November. Imphal logged 1.1% Severe days and 49.400000000000006% Good-or-Satisfactory days; Karnal was 0.1% Severe and 46.2% Good-or-Satisfactory. Longest clean-air streaks: Imphal 103 days, Karnal 53 days.
Year-over-year progress
Imphal has worsened by 23 AQI points (26.4%) from 2022 to 2024; Karnal has improved by 71 AQI points (41%) over the same window. The worst recorded day for Imphal reached AQI 500 at University Imphal (PCB) on 2024-10-11; Karnal hit AQI 456 at Sector-12 (HSPCB) on 2019-11-03.
Station-level disparity
Imphal spans 2 CPCB stations with a 4-point spread (min 97, max 101); Karnal spans 1 stations with a 0-point spread (min 128, max 128).
Verdict
🏆 Imphal has better air quality with an AQI of 77 compared to Karnal's 270. That's a significant difference of 193 points.