Imphal vs Noida
Side-by-side air quality comparison between Imphal and Noida.
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 | Noida |
|---|---|---|
| PM2.5(µg/m³) | 45.80 | 67.50 |
| PM10(µg/m³) | 53.10 | 134.10 |
| NO₂(µg/m³) | 12.00 | 34.90 |
| SO₂(µg/m³) | 2.30 | 17.50 |
| O₃(µg/m³) | 33.00 | 48.00 |
| CO(µg/m³) | 414.00 | 554.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Imphal averaged an AQI of 110 while Noida averaged 182 — a 72-point (65%) gap, with Noida the more polluted and Imphal the cleaner of the two. On 551 days when both cities reported, Imphal was cleaner on 463 of them; the average daily gap was 119 AQI points.
Seasonality & days
Imphal peaks in October, while Noida peaks in November. Imphal logged 1.1% Severe days and 49.400000000000006% Good-or-Satisfactory days; Noida was 8.9% Severe and 16.5% Good-or-Satisfactory. Longest clean-air streaks: Imphal 103 days, Noida 14 days.
Year-over-year progress
Imphal has worsened by 23 AQI points (26.4%) from 2022 to 2024; Noida has improved by 79 AQI points (30.3%) over the same window. The worst recorded day for Imphal reached AQI 500 at University Imphal (PCB) on 2024-10-11; Noida hit AQI 500 at Sector-1 (UPPCB) on 2019-11-01.
Station-level disparity
Imphal spans 2 CPCB stations with a 4-point spread (min 97, max 101); Noida spans 4 stations with a 15-point spread (min 195, max 210).
Verdict
🏆 Imphal has better air quality with an AQI of 77 compared to Noida's 126.