Ajmer vs Thrissur
Side-by-side air quality comparison between Ajmer 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 | Ajmer | Thrissur |
|---|---|---|
| PM2.5(µg/m³) | 22.90 | 8.60 |
| PM10(µg/m³) | 59.60 | 10.10 |
| NO₂(µg/m³) | 3.00 | 9.80 |
| SO₂(µg/m³) | 4.30 | 3.30 |
| O₃(µg/m³) | 64.00 | 29.00 |
| CO(µg/m³) | 168.00 | 163.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2022, Ajmer averaged an AQI of 112 while Thrissur averaged 57 — a 55-point (96%) gap, with Ajmer the more polluted and Thrissur the cleaner of the two. On 526 days when both cities reported, Thrissur was cleaner on 446 of them; the average daily gap was 43 AQI points.
Seasonality & days
Ajmer peaks in November, while Thrissur peaks in February. Ajmer logged 0% Severe days and 54.300000000000004% Good-or-Satisfactory days; Thrissur was 0% Severe and 88.4% Good-or-Satisfactory. Longest clean-air streaks: Ajmer 94 days, Thrissur 52 days.
Year-over-year progress
Ajmer has improved by 22 AQI points (16.4%) from 2017 to 2022; Thrissur has improved by 21 AQI points (26.9%) over the same window. The worst recorded day for Ajmer reached AQI 357 at Civil Lines (RSPCB) on 2021-03-31; Thrissur hit AQI 181 at Corporation Ground Thrissur (PCB) on 2023-01-09.
Station-level disparity
Ajmer spans 1 CPCB stations with a 0-point spread (min 102, max 102); 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 Ajmer's 60.