Faridabad vs Tiruchirappalli
Side-by-side air quality comparison between Faridabad 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 | Faridabad | Tiruchirappalli |
|---|---|---|
| PM2.5(µg/m³) | 68.70 | 5.40 |
| PM10(µg/m³) | 138.30 | 6.60 |
| NO₂(µg/m³) | 32.60 | 7.20 |
| SO₂(µg/m³) | 16.90 | 3.10 |
| O₃(µg/m³) | 51.00 | 38.00 |
| CO(µg/m³) | 594.00 | 134.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Faridabad averaged an AQI of 181 while Tiruchirappalli averaged 50 — a 131-point (262%) gap, with Faridabad the more polluted and Tiruchirappalli the cleaner of the two. On 88 days when both cities reported, Tiruchirappalli was cleaner on 87 of them; the average daily gap was 205 AQI points.
Seasonality & days
Faridabad peaks in November, while Tiruchirappalli peaks in January. Faridabad logged 6.9% Severe days and 15.7% Good-or-Satisfactory days; Tiruchirappalli was 0% Severe and 96.5% Good-or-Satisfactory. Longest clean-air streaks: Faridabad 19 days, Tiruchirappalli 46 days.
Year-over-year progress
Faridabad has improved by 42 AQI points (18.8%) from 2016 to 2024; Tiruchirappalli has improved by 23 AQI points (31.5%) over the same window. The worst recorded day for Faridabad reached AQI 500 at New Industrial Town (HSPCB) on 2024-05-10; Tiruchirappalli hit AQI 114 at St Joseph College (TNPCB) on 2024-01-14.
Station-level disparity
Faridabad spans 4 CPCB stations with a 25-point spread (min 184, max 209); 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 Faridabad's 130. That's a significant difference of 121 points.