Imphal vs Saharsa
Side-by-side air quality comparison between Imphal and Saharsa.
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 | Saharsa |
|---|---|---|
| PM2.5(µg/m³) | 36.40 | 99.90 |
| PM10(µg/m³) | 44.50 | 105.70 |
| NO₂(µg/m³) | 7.20 | 26.10 |
| SO₂(µg/m³) | 2.20 | 13.00 |
| O₃(µg/m³) | 60.00 | 62.00 |
| CO(µg/m³) | 323.00 | 670.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Imphal averaged an AQI of 110 while Saharsa averaged 139 — a 29-point (26%) gap, with Saharsa the more polluted and Imphal the cleaner of the two. On 415 days when both cities reported, Imphal was cleaner on 258 of them; the average daily gap was 92 AQI points.
Seasonality & days
Imphal peaks in October, while Saharsa peaks in January. Imphal logged 1.1% Severe days and 49.400000000000006% Good-or-Satisfactory days; Saharsa was 1.4% Severe and 28.4% Good-or-Satisfactory. Longest clean-air streaks: Imphal 103 days, Saharsa 20 days.
Year-over-year progress
Imphal has worsened by 23 AQI points (26.4%) from 2022 to 2024; Saharsa has improved by 139 AQI points (50%) over the same window. The worst recorded day for Imphal reached AQI 500 at University Imphal (PCB) on 2024-10-11; Saharsa hit AQI 454 at Police Line (BSPCB) on 2022-12-13.
Station-level disparity
Imphal spans 2 CPCB stations with a 4-point spread (min 97, max 101); Saharsa spans 1 stations with a 0-point spread (min 188, max 188).
Verdict
🏆 Imphal has better air quality with an AQI of 61 compared to Saharsa's 234. That's a significant difference of 173 points.