Sirsa vs Thrissur
Side-by-side air quality comparison between Sirsa and Thrissur.
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 | Thrissur |
|---|---|---|
| PM2.5(µg/m³) | 70.50 | 8.20 |
| PM10(µg/m³) | 238.00 | 9.70 |
| NO₂(µg/m³) | 27.50 | 10.20 |
| SO₂(µg/m³) | 8.40 | 3.20 |
| O₃(µg/m³) | 54.00 | 26.00 |
| CO(µg/m³) | 316.00 | 146.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Sirsa averaged an AQI of 115 while Thrissur averaged 57 — a 58-point (102%) gap, with Sirsa the more polluted and Thrissur the cleaner of the two. On 763 days when both cities reported, Thrissur was cleaner on 671 of them; the average daily gap was 72 AQI points.
Seasonality & days
Sirsa peaks in November, while Thrissur peaks in February. Sirsa logged 0.5% Severe days and 41.300000000000004% Good-or-Satisfactory days; Thrissur was 0% Severe and 88.4% Good-or-Satisfactory. Longest clean-air streaks: Sirsa 40 days, Thrissur 52 days.
Year-over-year progress
Sirsa has improved by 48 AQI points (29.4%) from 2019 to 2024; Thrissur has improved by 21 AQI points (26.9%) over the same window. The worst recorded day for Sirsa reached AQI 462 at F-Block (HSPCB) on 2019-11-01; Thrissur hit AQI 181 at Corporation Ground Thrissur (PCB) on 2023-01-09.
Station-level disparity
Sirsa spans 1 CPCB stations with a 0-point spread (min 132, max 132); Thrissur spans 1 stations with a 0-point spread (min 68, max 68).
Verdict
🏆 Thrissur has better air quality with an AQI of 14 compared to Sirsa's 192. That's a significant difference of 178 points.