Tiruchirappalli vs Udaipur
Side-by-side air quality comparison between Tiruchirappalli 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 | Tiruchirappalli | Udaipur |
|---|---|---|
| PM2.5(µg/m³) | 3.80 | — |
| PM10(µg/m³) | 4.70 | — |
| NO₂(µg/m³) | 1.00 | — |
| SO₂(µg/m³) | 1.70 | — |
| O₃(µg/m³) | 94.00 | — |
| CO(µg/m³) | 114.00 | — |
| NH3(µg/m³) | — | — |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Tiruchirappalli averaged an AQI of 50 while Udaipur averaged 112 — a 62-point (124%) gap, with Udaipur the more polluted and Tiruchirappalli the cleaner of the two. On 87 days when both cities reported, Tiruchirappalli was cleaner on 86 of them; the average daily gap was 88 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Tiruchirappalli logged 0% Severe days and 96.5% Good-or-Satisfactory days; Udaipur was 0% Severe and 47% Good-or-Satisfactory. Longest clean-air streaks: Tiruchirappalli 46 days, Udaipur 49 days.
Year-over-year progress
Tiruchirappalli has improved by 23 AQI points (31.5%) from 2023 to 2024; Udaipur has improved by 77 AQI points (40.7%) over the same window. The worst recorded day for Tiruchirappalli reached AQI 114 at St Joseph College (TNPCB) on 2024-01-14; Udaipur hit AQI 348 at Ashok Nagar (RSPCB) on 2021-11-15.
Station-level disparity
Tiruchirappalli spans 1 CPCB stations with a 0-point spread (min 52, max 52); Udaipur spans 1 stations with a 0-point spread (min 112, max 112).
Verdict
🏆 Tiruchirappalli has better air quality with an AQI of 6 compared to Udaipur's 160. That's a significant difference of 154 points.