Thiruvananthapuram vs Udaipur
Side-by-side air quality comparison between Thiruvananthapuram and Udaipur.
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 | Thiruvananthapuram | Udaipur |
|---|---|---|
| PM2.5(µg/m³) | 5.30 | 23.60 |
| PM10(µg/m³) | 9.50 | 33.90 |
| NO₂(µg/m³) | 1.50 | 7.70 |
| SO₂(µg/m³) | 0.40 | 8.30 |
| O₃(µg/m³) | 38.00 | 51.00 |
| CO(µg/m³) | 102.00 | 184.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Thiruvananthapuram averaged an AQI of 56 while Udaipur averaged 112 — a 56-point (100%) gap, with Udaipur the more polluted and Thiruvananthapuram the cleaner of the two. On 2099 days when both cities reported, Thiruvananthapuram was cleaner on 1842 of them; the average daily gap was 51 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Thiruvananthapuram logged 0% Severe days and 92% Good-or-Satisfactory days; Udaipur was 0% Severe and 47% Good-or-Satisfactory. Longest clean-air streaks: Thiruvananthapuram 172 days, Udaipur 49 days.
Year-over-year progress
Thiruvananthapuram has improved by 11 AQI points (16.4%) from 2017 to 2024; Udaipur has improved by 77 AQI points (40.7%) over the same window. The worst recorded day for Thiruvananthapuram reached AQI 387 at Plammoodu Thiruvananthapuram (PCB) on 2021-08-30; Udaipur hit AQI 348 at Ashok Nagar (RSPCB) on 2021-11-15.
Station-level disparity
Thiruvananthapuram spans 2 CPCB stations with a 7-point spread (min 57, max 64); Udaipur spans 1 stations with a 0-point spread (min 112, max 112).
Verdict
🏆 Thiruvananthapuram has better air quality with an AQI of 10 compared to Udaipur's 39.