Kota vs Tiruchirappalli
Side-by-side air quality comparison between Kota and Tiruchirappalli.
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 | Kota | Tiruchirappalli |
|---|---|---|
| PM2.5(µg/m³) | 24.20 | 5.40 |
| PM10(µg/m³) | 37.80 | 6.60 |
| NO₂(µg/m³) | 6.30 | 7.20 |
| SO₂(µg/m³) | 5.90 | 3.10 |
| O₃(µg/m³) | 59.00 | 38.00 |
| CO(µg/m³) | 205.00 | 134.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kota averaged an AQI of 131 while Tiruchirappalli averaged 50 — a 81-point (162%) gap, with Kota the more polluted and Tiruchirappalli the cleaner of the two. On 82 days when both cities reported, Tiruchirappalli was cleaner on 82 of them; the average daily gap was 147 AQI points.
Seasonality & days
Kota peaks in November, while Tiruchirappalli peaks in January. Kota logged 0% Severe days and 40.599999999999994% Good-or-Satisfactory days; Tiruchirappalli was 0% Severe and 96.5% Good-or-Satisfactory. Longest clean-air streaks: Kota 89 days, Tiruchirappalli 46 days.
Year-over-year progress
Kota has improved by 45 AQI points (25.6%) from 2017 to 2024; Tiruchirappalli has improved by 23 AQI points (31.5%) over the same window. The worst recorded day for Kota reached AQI 375 at Shrinath Puram (RSPCB) on 2021-11-14; Tiruchirappalli hit AQI 114 at St Joseph College (TNPCB) on 2024-01-14.
Station-level disparity
Kota spans 3 CPCB stations with a 9-point spread (min 121, max 130); Tiruchirappalli spans 1 stations with a 0-point spread (min 52, max 52).
Verdict
🏆 Tiruchirappalli has better air quality with an AQI of 9 compared to Kota's 40.