Ahmedabad vs Guwahati
Side-by-side air quality comparison between Ahmedabad and Guwahati.
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 | Guwahati |
|---|---|---|
| PM2.5(µg/m³) | 23.50 | 31.90 |
| PM10(µg/m³) | 38.60 | 36.00 |
| NO₂(µg/m³) | 6.50 | 5.40 |
| SO₂(µg/m³) | 5.20 | 4.20 |
| O₃(µg/m³) | 41.00 | 97.00 |
| CO(µg/m³) | 163.00 | 393.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ahmedabad averaged an AQI of 117 while Guwahati averaged 123 — a 6-point (5%) gap, with Guwahati the more polluted and Ahmedabad the cleaner of the two. On 2055 days when both cities reported, Guwahati was cleaner on 1289 of them; the average daily gap was 75 AQI points.
Seasonality & days
Ahmedabad peaks in November, while Guwahati peaks in January. Ahmedabad logged 0.1% Severe days and 23.7% Good-or-Satisfactory days; Guwahati was 0.1% Severe and 44.9% Good-or-Satisfactory. Longest clean-air streaks: Ahmedabad 25 days, Guwahati 105 days.
Year-over-year progress
Ahmedabad has worsened by 52 AQI points (80%) from 2016 to 2024; Guwahati has worsened by 14 AQI points (12.8%) over the same window. The worst recorded day for Ahmedabad reached AQI 430 at Raikhad (IITM) on 2023-03-17; Guwahati hit AQI 420 at Railway Colony (PCBA) on 2023-01-15.
Station-level disparity
Ahmedabad spans 9 CPCB stations with a 44-point spread (min 95, max 139); Guwahati spans 4 stations with a 26-point spread (min 118, max 144).
Verdict
🏆 Ahmedabad has better air quality with an AQI of 39 compared to Guwahati's 54.