Imphal vs Sonipat
Side-by-side air quality comparison between Imphal and Sonipat.
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 | Sonipat |
|---|---|---|
| PM2.5(µg/m³) | 45.80 | 77.50 |
| PM10(µg/m³) | 53.10 | 154.10 |
| NO₂(µg/m³) | 12.00 | 50.80 |
| SO₂(µg/m³) | 2.30 | 35.90 |
| O₃(µg/m³) | 33.00 | 47.00 |
| CO(µg/m³) | 414.00 | 689.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Imphal averaged an AQI of 110 while Sonipat averaged 134 — a 24-point (22%) gap, with Sonipat the more polluted and Imphal the cleaner of the two. On 420 days when both cities reported, Imphal was cleaner on 242 of them; the average daily gap was 67 AQI points.
Seasonality & days
Imphal peaks in October, while Sonipat peaks in November. Imphal logged 1.1% Severe days and 49.400000000000006% Good-or-Satisfactory days; Sonipat was 0.8% Severe and 26.5% Good-or-Satisfactory. Longest clean-air streaks: Imphal 103 days, Sonipat 21 days.
Year-over-year progress
Imphal has worsened by 23 AQI points (26.4%) from 2022 to 2024; Sonipat has improved by 220 AQI points (62.1%) over the same window. The worst recorded day for Imphal reached AQI 500 at University Imphal (PCB) on 2024-10-11; Sonipat hit AQI 455 at Murthal (HSPCB) on 2023-11-03.
Station-level disparity
Imphal spans 2 CPCB stations with a 4-point spread (min 97, max 101); Sonipat spans 1 stations with a 0-point spread (min 162, max 162).
Verdict
🏆 Imphal has better air quality with an AQI of 77 compared to Sonipat's 159. That's a significant difference of 82 points.