Asansol vs Hajipur
Side-by-side air quality comparison between Asansol and Hajipur.
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 | Asansol | Hajipur |
|---|---|---|
| PM2.5(µg/m³) | 89.60 | 99.00 |
| PM10(µg/m³) | 95.50 | 111.80 |
| NO₂(µg/m³) | 48.70 | 49.30 |
| SO₂(µg/m³) | 82.10 | 18.10 |
| O₃(µg/m³) | 39.00 | 19.00 |
| CO(µg/m³) | 708.00 | 784.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Asansol averaged an AQI of 145 while Hajipur averaged 173 — a 28-point (19%) gap, with Hajipur the more polluted and Asansol the cleaner of the two. On 1175 days when both cities reported, Asansol was cleaner on 668 of them; the average daily gap was 45 AQI points.
Seasonality & days
Both cities see their worst air in December on average. Asansol logged 0% Severe days and 43.3% Good-or-Satisfactory days; Hajipur was 0.3% Severe and 36.6% Good-or-Satisfactory. Longest clean-air streaks: Asansol 44 days, Hajipur 36 days.
Year-over-year progress
Asansol has worsened by 12 AQI points (9%) from 2018 to 2024; Hajipur has worsened by 74 AQI points (74.7%) over the same window. The worst recorded day for Asansol reached AQI 394 at Court Area (WBPCB) on 2022-12-13; Hajipur hit AQI 427 at Industrial Area (BSPCB) on 2024-11-12.
Station-level disparity
Asansol spans 4 CPCB stations with a 40-point spread (min 123, max 163); Hajipur spans 1 stations with a 0-point spread (min 149, max 149).
Verdict
🏆 Asansol has better air quality with an AQI of 199 compared to Hajipur's 231.