Hapur vs Thrissur
Side-by-side air quality comparison between Hapur 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 | Hapur | Thrissur |
|---|---|---|
| PM2.5(µg/m³) | 69.60 | 8.60 |
| PM10(µg/m³) | 96.40 | 10.10 |
| NO₂(µg/m³) | 27.40 | 9.80 |
| SO₂(µg/m³) | 11.00 | 3.30 |
| O₃(µg/m³) | 65.00 | 29.00 |
| CO(µg/m³) | 548.00 | 163.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hapur averaged an AQI of 142 while Thrissur averaged 57 — a 85-point (149%) gap, with Hapur the more polluted and Thrissur the cleaner of the two. On 1087 days when both cities reported, Thrissur was cleaner on 827 of them; the average daily gap was 87 AQI points.
Seasonality & days
Hapur peaks in November, while Thrissur peaks in February. Hapur logged 1.9% Severe days and 36.2% Good-or-Satisfactory days; Thrissur was 0% Severe and 88.4% Good-or-Satisfactory. Longest clean-air streaks: Hapur 55 days, Thrissur 52 days.
Year-over-year progress
Hapur has improved by 197 AQI points (58.1%) from 2018 to 2024; Thrissur has improved by 21 AQI points (26.9%) over the same window. The worst recorded day for Hapur reached AQI 477 at Anand Vihar (UPPCB) on 2019-10-31; Thrissur hit AQI 181 at Corporation Ground Thrissur (PCB) on 2023-01-09.
Station-level disparity
Hapur spans 1 CPCB stations with a 0-point spread (min 159, max 159); 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 Hapur's 133. That's a significant difference of 119 points.