Surat vs Thiruvananthapuram
Side-by-side air quality comparison between Surat 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 | Surat | Thiruvananthapuram |
|---|---|---|
| PM2.5(µg/m³) | 23.90 | 5.50 |
| PM10(µg/m³) | 45.10 | 10.00 |
| NO₂(µg/m³) | 22.90 | 1.70 |
| SO₂(µg/m³) | 38.50 | 0.50 |
| O₃(µg/m³) | 33.00 | 37.00 |
| CO(µg/m³) | 249.00 | 85.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Surat averaged an AQI of 83 while Thiruvananthapuram averaged 56 — a 27-point (48%) gap, with Surat the more polluted and Thiruvananthapuram the cleaner of the two. On 333 days when both cities reported, Thiruvananthapuram was cleaner on 202 of them; the average daily gap was 56 AQI points.
Seasonality & days
Surat peaks in November, while Thiruvananthapuram peaks in January. Surat logged 0% Severe days and 55.9% Good-or-Satisfactory days; Thiruvananthapuram was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Surat 55 days, Thiruvananthapuram 172 days.
Year-over-year progress
Surat has improved by 139 AQI points (62.6%) from 2022 to 2024; Thiruvananthapuram has improved by 11 AQI points (16.4%) over the same window. The worst recorded day for Surat reached AQI 384 at Science Center (SMC) on 2023-08-19; Thiruvananthapuram hit AQI 387 at Plammoodu Thiruvananthapuram (PCB) on 2021-08-30.
Station-level disparity
Surat spans 1 CPCB stations with a 0-point spread (min 123, max 123); 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 Surat's 45.