Sonipat vs Tiruchirappalli
Side-by-side air quality comparison between Sonipat 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 | Sonipat | Tiruchirappalli |
|---|---|---|
| PM2.5(µg/m³) | 80.80 | 5.60 |
| PM10(µg/m³) | 143.90 | 6.40 |
| NO₂(µg/m³) | 41.80 | 6.80 |
| SO₂(µg/m³) | 33.00 | 3.40 |
| O₃(µg/m³) | 63.00 | 40.00 |
| CO(µg/m³) | 675.00 | 134.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Sonipat averaged an AQI of 134 while Tiruchirappalli averaged 50 — a 84-point (168%) gap, with Sonipat the more polluted and Tiruchirappalli the cleaner of the two. On 74 days when both cities reported, Tiruchirappalli was cleaner on 74 of them; the average daily gap was 165 AQI points.
Seasonality & days
Sonipat peaks in November, while Tiruchirappalli peaks in January. Sonipat logged 0.8% Severe days and 26.5% Good-or-Satisfactory days; Tiruchirappalli was 0% Severe and 96.5% Good-or-Satisfactory. Longest clean-air streaks: Sonipat 21 days, Tiruchirappalli 46 days.
Year-over-year progress
Sonipat has improved by 220 AQI points (62.1%) from 2018 to 2024; Tiruchirappalli has improved by 23 AQI points (31.5%) over the same window. The worst recorded day for Sonipat reached AQI 455 at Murthal (HSPCB) on 2023-11-03; Tiruchirappalli hit AQI 114 at St Joseph College (TNPCB) on 2024-01-14.
Station-level disparity
Sonipat spans 1 CPCB stations with a 0-point spread (min 162, max 162); 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 Sonipat's 170. That's a significant difference of 161 points.