Hisar vs Imphal
Side-by-side air quality comparison between Hisar 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 | Hisar | Imphal |
|---|---|---|
| PM2.5(µg/m³) | 75.00 | 45.80 |
| PM10(µg/m³) | 231.00 | 53.10 |
| NO₂(µg/m³) | 42.00 | 12.00 |
| SO₂(µg/m³) | 7.20 | 2.30 |
| O₃(µg/m³) | 25.00 | 33.00 |
| CO(µg/m³) | 573.00 | 414.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hisar averaged an AQI of 136 while Imphal averaged 110 — a 26-point (24%) gap, with Hisar the more polluted and Imphal the cleaner of the two. On 464 days when both cities reported, Imphal was cleaner on 291 of them; the average daily gap was 72 AQI points.
Seasonality & days
Hisar peaks in November, while Imphal peaks in October. Hisar logged 1.6% Severe days and 29.700000000000003% Good-or-Satisfactory days; Imphal was 1.1% Severe and 49.400000000000006% Good-or-Satisfactory. Longest clean-air streaks: Hisar 34 days, Imphal 103 days.
Year-over-year progress
Hisar has improved by 39 AQI points (22.3%) from 2019 to 2024; Imphal has worsened by 23 AQI points (26.4%) over the same window. The worst recorded day for Hisar reached AQI 490 at Urban Estate-II (HSPCB) on 2019-11-02; Imphal hit AQI 500 at University Imphal (PCB) on 2024-10-11.
Station-level disparity
Hisar spans 1 CPCB stations with a 0-point spread (min 168, max 168); Imphal spans 2 stations with a 4-point spread (min 97, max 101).
Verdict
🏆 Imphal has better air quality with an AQI of 77 compared to Hisar's 187. That's a significant difference of 110 points.