Sirsa vs Tiruchirappalli
Side-by-side air quality comparison between Sirsa 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 | Sirsa | Tiruchirappalli |
|---|---|---|
| PM2.5(µg/m³) | 105.20 | 5.50 |
| PM10(µg/m³) | 594.20 | 6.50 |
| NO₂(µg/m³) | 20.90 | 5.20 |
| SO₂(µg/m³) | 9.90 | 3.80 |
| O₃(µg/m³) | 75.00 | 51.00 |
| CO(µg/m³) | 323.00 | 130.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Sirsa averaged an AQI of 115 while Tiruchirappalli averaged 50 — a 65-point (130%) gap, with Sirsa the more polluted and Tiruchirappalli the cleaner of the two. On 66 days when both cities reported, Tiruchirappalli was cleaner on 66 of them; the average daily gap was 120 AQI points.
Seasonality & days
Sirsa peaks in November, while Tiruchirappalli peaks in January. Sirsa logged 0.5% Severe days and 41.300000000000004% Good-or-Satisfactory days; Tiruchirappalli was 0% Severe and 96.5% Good-or-Satisfactory. Longest clean-air streaks: Sirsa 40 days, Tiruchirappalli 46 days.
Year-over-year progress
Sirsa has improved by 48 AQI points (29.4%) from 2019 to 2024; Tiruchirappalli has improved by 23 AQI points (31.5%) over the same window. The worst recorded day for Sirsa reached AQI 462 at F-Block (HSPCB) on 2019-11-01; Tiruchirappalli hit AQI 114 at St Joseph College (TNPCB) on 2024-01-14.
Station-level disparity
Sirsa spans 1 CPCB stations with a 0-point spread (min 132, max 132); 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 Sirsa's 497. That's a significant difference of 488 points.