Charkhi Dādri vs Imphal
Side-by-side air quality comparison between Charkhi Dādri 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 | Charkhi Dādri | Imphal |
|---|---|---|
| PM2.5(µg/m³) | 67.50 | 45.80 |
| PM10(µg/m³) | 175.10 | 53.10 |
| NO₂(µg/m³) | 19.80 | 12.00 |
| SO₂(µg/m³) | 10.70 | 2.30 |
| O₃(µg/m³) | 65.00 | 33.00 |
| CO(µg/m³) | 544.00 | 414.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Charkhi Dādri averaged an AQI of 145 while Imphal averaged 110 — a 35-point (32%) gap, with Charkhi Dādri the more polluted and Imphal the cleaner of the two. On 524 days when both cities reported, Imphal was cleaner on 326 of them; the average daily gap was 74 AQI points.
Seasonality & days
Charkhi Dādri peaks in November, while Imphal peaks in October. Charkhi Dādri logged 0.7% Severe days and 28% Good-or-Satisfactory days; Imphal was 1.1% Severe and 49.400000000000006% Good-or-Satisfactory. Longest clean-air streaks: Charkhi Dādri 48 days, Imphal 103 days.
Year-over-year progress
Charkhi Dādri has improved by 51 AQI points (26%) from 2020 to 2024; Imphal has worsened by 23 AQI points (26.4%) over the same window. The worst recorded day for Charkhi Dādri reached AQI 470 at Mini Secretariat Charkhi (HSPCB) on 2021-11-12; Imphal hit AQI 500 at University Imphal (PCB) on 2024-10-11.
Station-level disparity
Charkhi Dādri spans 1 CPCB stations with a 0-point spread (min 162, max 162); 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 Charkhi Dādri's 151. That's a significant difference of 74 points.