Khanna vs Tiruchirappalli
Side-by-side air quality comparison between Khanna 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 | Khanna | Tiruchirappalli |
|---|---|---|
| PM2.5(µg/m³) | 57.60 | 5.60 |
| PM10(µg/m³) | 86.80 | 6.40 |
| NO₂(µg/m³) | 25.80 | 6.80 |
| SO₂(µg/m³) | 15.90 | 3.40 |
| O₃(µg/m³) | 75.00 | 40.00 |
| CO(µg/m³) | 753.00 | 134.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Khanna averaged an AQI of 102 while Tiruchirappalli averaged 50 — a 52-point (104%) gap, with Khanna the more polluted and Tiruchirappalli the cleaner of the two. On 85 days when both cities reported, Tiruchirappalli was cleaner on 81 of them; the average daily gap was 81 AQI points.
Seasonality & days
Khanna peaks in November, while Tiruchirappalli peaks in January. Khanna logged 0% Severe days and 61.599999999999994% Good-or-Satisfactory days; Tiruchirappalli was 0% Severe and 96.5% Good-or-Satisfactory. Longest clean-air streaks: Khanna 60 days, Tiruchirappalli 46 days.
Year-over-year progress
Khanna has worsened by 4 AQI points (4.1%) from 2023 to 2024; Tiruchirappalli has improved by 23 AQI points (31.5%) over the same window. The worst recorded day for Khanna reached AQI 297 at Kalal Majra (PPCB) on 2023-11-09; Tiruchirappalli hit AQI 114 at St Joseph College (TNPCB) on 2024-01-14.
Station-level disparity
Khanna spans 1 CPCB stations with a 0-point spread (min 100, max 100); 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 Khanna's 96. That's a significant difference of 87 points.