Ahmedabad vs Thiruvananthapuram
Side-by-side air quality comparison between Ahmedabad and Thiruvananthapuram.
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 | Thiruvananthapuram |
|---|---|---|
| PM2.5(µg/m³) | 25.50 | 5.50 |
| PM10(µg/m³) | 51.00 | 10.00 |
| NO₂(µg/m³) | 5.20 | 1.60 |
| SO₂(µg/m³) | 6.20 | 0.40 |
| O₃(µg/m³) | 51.00 | 38.00 |
| CO(µg/m³) | 173.00 | 117.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ahmedabad averaged an AQI of 117 while Thiruvananthapuram averaged 56 — a 61-point (109%) gap, with Ahmedabad the more polluted and Thiruvananthapuram the cleaner of the two. On 2135 days when both cities reported, Thiruvananthapuram was cleaner on 2041 of them; the average daily gap was 87 AQI points.
Seasonality & days
Ahmedabad peaks in November, while Thiruvananthapuram peaks in January. Ahmedabad logged 0.1% Severe days and 23.7% Good-or-Satisfactory days; Thiruvananthapuram was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Ahmedabad 25 days, Thiruvananthapuram 172 days.
Year-over-year progress
Ahmedabad has worsened by 52 AQI points (80%) from 2016 to 2024; Thiruvananthapuram has improved by 11 AQI points (16.4%) over the same window. The worst recorded day for Ahmedabad reached AQI 430 at Raikhad (IITM) on 2023-03-17; Thiruvananthapuram hit AQI 387 at Plammoodu Thiruvananthapuram (PCB) on 2021-08-30.
Station-level disparity
Ahmedabad spans 9 CPCB stations with a 44-point spread (min 95, max 139); Thiruvananthapuram spans 2 stations with a 7-point spread (min 57, max 64).
Verdict
🏆 Thiruvananthapuram has better air quality with an AQI of 10 compared to Ahmedabad's 52.