Ajmer vs Tiruchirappalli
Side-by-side air quality comparison between Ajmer 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 | Ajmer | Tiruchirappalli |
|---|---|---|
| PM2.5(µg/m³) | 19.40 | 5.40 |
| PM10(µg/m³) | 41.90 | 6.60 |
| NO₂(µg/m³) | 4.60 | 7.20 |
| SO₂(µg/m³) | 4.30 | 3.10 |
| O₃(µg/m³) | 57.00 | 38.00 |
| CO(µg/m³) | 155.00 | 134.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2022, Ajmer averaged an AQI of 112 while Tiruchirappalli averaged 50 — a 62-point (124%) gap, with Ajmer the more polluted and Tiruchirappalli the cleaner of the two.
Seasonality & days
Ajmer peaks in November, while Tiruchirappalli peaks in January. Ajmer logged 0% Severe days and 54.300000000000004% Good-or-Satisfactory days; Tiruchirappalli was 0% Severe and 96.5% Good-or-Satisfactory. Longest clean-air streaks: Ajmer 94 days, Tiruchirappalli 46 days.
Year-over-year progress
Ajmer has improved by 22 AQI points (16.4%) from 2017 to 2022; Tiruchirappalli has improved by 23 AQI points (31.5%) over the same window. The worst recorded day for Ajmer reached AQI 357 at Civil Lines (RSPCB) on 2021-03-31; Tiruchirappalli hit AQI 114 at St Joseph College (TNPCB) on 2024-01-14.
Station-level disparity
Ajmer spans 1 CPCB stations with a 0-point spread (min 102, max 102); 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 Ajmer's 42.