Ajmer vs Chandigarh
Side-by-side air quality comparison between Ajmer and Chandigarh.
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 | Chandigarh |
|---|---|---|
| PM2.5(µg/m³) | 19.40 | 50.90 |
| PM10(µg/m³) | 41.90 | 66.80 |
| NO₂(µg/m³) | 4.60 | 44.60 |
| SO₂(µg/m³) | 4.30 | 8.10 |
| O₃(µg/m³) | 57.00 | 11.00 |
| CO(µg/m³) | 155.00 | 714.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2022, Ajmer averaged an AQI of 112 while Chandigarh averaged 153 — a 41-point (37%) gap, with Chandigarh the more polluted and Ajmer the cleaner of the two. On 1164 days when both cities reported, Ajmer was cleaner on 662 of them; the average daily gap was 48 AQI points.
Seasonality & days
Ajmer peaks in November, while Chandigarh peaks in January. Ajmer logged 0% Severe days and 54.300000000000004% Good-or-Satisfactory days; Chandigarh was 0.3% Severe and 39.9% Good-or-Satisfactory. Longest clean-air streaks: Ajmer 94 days, Chandigarh 92 days.
Year-over-year progress
Ajmer has improved by 22 AQI points (16.4%) from 2017 to 2022; Chandigarh has worsened by 27 AQI points (21.4%) over the same window. The worst recorded day for Ajmer reached AQI 357 at Civil Lines (RSPCB) on 2021-03-31; Chandigarh hit AQI 452 at Sector-53 (CPCC) on 2022-11-09.
Station-level disparity
Ajmer spans 1 CPCB stations with a 0-point spread (min 102, max 102); Chandigarh spans 3 stations with a 43-point spread (min 107, max 150).
Verdict
🏆 Ajmer has better air quality with an AQI of 42 compared to Chandigarh's 85.