Meerut vs Thrissur
Side-by-side air quality comparison between Meerut 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 | Meerut | Thrissur |
|---|---|---|
| PM2.5(µg/m³) | 58.00 | 6.30 |
| PM10(µg/m³) | 175.10 | 8.80 |
| NO₂(µg/m³) | 4.80 | 3.40 |
| SO₂(µg/m³) | 27.50 | 1.80 |
| O₃(µg/m³) | 229.00 | 58.00 |
| CO(µg/m³) | 400.00 | 121.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Meerut averaged an AQI of 144 while Thrissur averaged 57 — a 87-point (153%) gap, with Meerut the more polluted and Thrissur the cleaner of the two. On 851 days when both cities reported, Thrissur was cleaner on 805 of them; the average daily gap was 145 AQI points.
Seasonality & days
Meerut peaks in November, while Thrissur peaks in February. Meerut logged 2% Severe days and 22.299999999999997% Good-or-Satisfactory days; Thrissur was 0% Severe and 88.4% Good-or-Satisfactory. Longest clean-air streaks: Meerut 25 days, Thrissur 52 days.
Year-over-year progress
Meerut has improved by 116 AQI points (44.6%) from 2019 to 2024; Thrissur has improved by 21 AQI points (26.9%) over the same window. The worst recorded day for Meerut reached AQI 490 at Pallavpuram Phase 2 (UPPCB) on 2020-11-05; Thrissur hit AQI 181 at Corporation Ground Thrissur (PCB) on 2023-01-09.
Station-level disparity
Meerut spans 3 CPCB stations with a 13-point spread (min 172, max 185); Thrissur spans 1 stations with a 0-point spread (min 68, max 68).
Verdict
🏆 Thrissur has better air quality with an AQI of 11 compared to Meerut's 151. That's a significant difference of 140 points.