Bilaspur vs Imphal
Side-by-side air quality comparison between Bilaspur 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 | Bilaspur | Imphal |
|---|---|---|
| PM2.5(µg/m³) | 34.80 | 45.80 |
| PM10(µg/m³) | 43.70 | 53.10 |
| NO₂(µg/m³) | 28.50 | 12.00 |
| SO₂(µg/m³) | 18.50 | 2.30 |
| O₃(µg/m³) | 38.00 | 33.00 |
| CO(µg/m³) | 477.00 | 414.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bilaspur averaged an AQI of 61 while Imphal averaged 110 — a 49-point (80%) gap, with Imphal the more polluted and Bilaspur the cleaner of the two. On 504 days when both cities reported, Bilaspur was cleaner on 454 of them; the average daily gap was 52 AQI points.
Seasonality & days
Bilaspur peaks in December, while Imphal peaks in October. Bilaspur logged 0% Severe days and 88% Good-or-Satisfactory days; Imphal was 1.1% Severe and 49.400000000000006% Good-or-Satisfactory. Longest clean-air streaks: Bilaspur 66 days, Imphal 103 days.
Year-over-year progress
Bilaspur has improved by 22 AQI points (26.5%) from 2021 to 2024; Imphal has worsened by 23 AQI points (26.4%) over the same window. The worst recorded day for Bilaspur reached AQI 259 at Mangala (NTPC) on 2023-03-09; Imphal hit AQI 500 at University Imphal (PCB) on 2024-10-11.
Station-level disparity
Bilaspur spans 1 CPCB stations with a 0-point spread (min 69, max 69); Imphal spans 2 stations with a 4-point spread (min 97, max 101).
Verdict
🏆 Bilaspur has better air quality with an AQI of 59 compared to Imphal's 77.