Kārwār vs Tiruchirappalli
Side-by-side air quality comparison between Kārwār 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 | Kārwār | Tiruchirappalli |
|---|---|---|
| PM2.5(µg/m³) | 7.10 | 5.40 |
| PM10(µg/m³) | 19.60 | 6.60 |
| NO₂(µg/m³) | 0.70 | 7.20 |
| SO₂(µg/m³) | 0.40 | 3.10 |
| O₃(µg/m³) | 54.00 | 38.00 |
| CO(µg/m³) | 95.00 | 134.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kārwār averaged an AQI of 55 while Tiruchirappalli averaged 50 — a 5-point (10%) gap, with Kārwār the more polluted and Tiruchirappalli the cleaner of the two. On 60 days when both cities reported, Tiruchirappalli was cleaner on 45 of them; the average daily gap was 21 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Kārwār logged 0% Severe days and 92.7% Good-or-Satisfactory days; Tiruchirappalli was 0% Severe and 96.5% Good-or-Satisfactory. Longest clean-air streaks: Kārwār 34 days, Tiruchirappalli 46 days.
Year-over-year progress
Kārwār has improved by 72 AQI points (56.7%) from 2023 to 2024; Tiruchirappalli has improved by 23 AQI points (31.5%) over the same window. The worst recorded day for Kārwār reached AQI 222 at KHB Colony (KSPCB) on 2023-12-21; Tiruchirappalli hit AQI 114 at St Joseph College (TNPCB) on 2024-01-14.
Station-level disparity
Kārwār spans 1 CPCB stations with a 0-point spread (min 58, max 58); 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 Kārwār's 20.