Ahmedabad vs Asansol
Side-by-side air quality comparison between Ahmedabad and Asansol.
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 | Ahmedabad | Asansol |
|---|---|---|
| PM2.5(µg/m³) | 22.60 | 89.60 |
| PM10(µg/m³) | 36.90 | 95.50 |
| NO₂(µg/m³) | 7.00 | 48.70 |
| SO₂(µg/m³) | 4.70 | 82.10 |
| O₃(µg/m³) | 40.00 | 39.00 |
| CO(µg/m³) | 159.00 | 708.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ahmedabad averaged an AQI of 117 while Asansol averaged 145 — a 28-point (24%) gap, with Asansol the more polluted and Ahmedabad the cleaner of the two. On 1920 days when both cities reported, Asansol was cleaner on 1185 of them; the average daily gap was 67 AQI points.
Seasonality & days
Ahmedabad peaks in November, while Asansol peaks in December. Ahmedabad logged 0.1% Severe days and 23.7% Good-or-Satisfactory days; Asansol was 0% Severe and 43.3% Good-or-Satisfactory. Longest clean-air streaks: Ahmedabad 25 days, Asansol 44 days.
Year-over-year progress
Ahmedabad has worsened by 52 AQI points (80%) from 2016 to 2024; Asansol has worsened by 12 AQI points (9%) over the same window. The worst recorded day for Ahmedabad reached AQI 430 at Raikhad (IITM) on 2023-03-17; Asansol hit AQI 394 at Court Area (WBPCB) on 2022-12-13.
Station-level disparity
Ahmedabad spans 9 CPCB stations with a 44-point spread (min 95, max 139); Asansol spans 4 stations with a 40-point spread (min 123, max 163).
Verdict
🏆 Ahmedabad has better air quality with an AQI of 38 compared to Asansol's 199. That's a significant difference of 161 points.