Ambala vs Imphal
Side-by-side air quality comparison between Ambala 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 | Ambala | Imphal |
|---|---|---|
| PM2.5(µg/m³) | 47.60 | 45.80 |
| PM10(µg/m³) | 70.10 | 53.10 |
| NO₂(µg/m³) | 23.90 | 12.00 |
| SO₂(µg/m³) | 10.30 | 2.30 |
| O₃(µg/m³) | 56.00 | 33.00 |
| CO(µg/m³) | 618.00 | 414.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ambala averaged an AQI of 94 while Imphal averaged 110 — a 16-point (17%) gap, with Imphal the more polluted and Ambala the cleaner of the two. On 492 days when both cities reported, Ambala was cleaner on 263 of them; the average daily gap was 55 AQI points.
Seasonality & days
Ambala peaks in November, while Imphal peaks in October. Ambala logged 0.2% Severe days and 46.5% Good-or-Satisfactory days; Imphal was 1.1% Severe and 49.400000000000006% Good-or-Satisfactory. Longest clean-air streaks: Ambala 44 days, Imphal 103 days.
Year-over-year progress
Ambala has improved by 52 AQI points (35.6%) from 2019 to 2024; Imphal has worsened by 23 AQI points (26.4%) over the same window. The worst recorded day for Ambala reached AQI 452 at Patti Mehar (HSPCB) on 2020-11-04; Imphal hit AQI 500 at University Imphal (PCB) on 2024-10-11.
Station-level disparity
Ambala spans 1 CPCB stations with a 0-point spread (min 126, max 126); 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 Ambala's 80.