Ajmer vs Perundurai
Side-by-side air quality comparison between Ajmer and Perundurai.
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 | Perundurai |
|---|---|---|
| PM2.5(µg/m³) | 22.90 | 9.20 |
| PM10(µg/m³) | 59.60 | 10.30 |
| NO₂(µg/m³) | 3.00 | 10.50 |
| SO₂(µg/m³) | 4.30 | 3.60 |
| O₃(µg/m³) | 64.00 | 35.00 |
| CO(µg/m³) | 168.00 | 172.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2022, Ajmer averaged an AQI of 112 while Perundurai averaged 75 — a 37-point (49%) gap, with Ajmer the more polluted and Perundurai the cleaner of the two.
Seasonality & days
Both cities see their worst air in November on average. Ajmer logged 0% Severe days and 54.300000000000004% Good-or-Satisfactory days; Perundurai was 0% Severe and 80.7% Good-or-Satisfactory. Longest clean-air streaks: Ajmer 94 days, Perundurai 13 days.
Year-over-year progress
The worst recorded day for Ajmer reached AQI 357 at Civil Lines (RSPCB) on 2021-03-31; Perundurai hit AQI 153 at SIPCOT Industrial Park (TNPCB) on 2024-11-12.
Station-level disparity
Ajmer spans 1 CPCB stations with a 0-point spread (min 102, max 102); Perundurai spans 1 stations with a 0-point spread (min 75, max 75).
Verdict
🏆 Perundurai has better air quality with an AQI of 15 compared to Ajmer's 60.