Ajmer vs Dehradun
Side-by-side air quality comparison between Ajmer and Dehradun.
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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2022, Ajmer averaged an AQI of 112 while Dehradun averaged 106 — a 6-point (6%) gap, with Ajmer the more polluted and Dehradun the cleaner of the two. On 150 days when both cities reported, Dehradun was cleaner on 111 of them; the average daily gap was 49 AQI points.
Seasonality & days
Ajmer peaks in November, while Dehradun peaks in January. Ajmer logged 0% Severe days and 54.300000000000004% Good-or-Satisfactory days; Dehradun was 0% Severe and 62.8% Good-or-Satisfactory. Longest clean-air streaks: Ajmer 94 days, Dehradun 41 days.
Year-over-year progress
Ajmer has improved by 22 AQI points (16.4%) from 2017 to 2022; Dehradun has worsened by 19 AQI points (21.8%) over the same window. The worst recorded day for Ajmer reached AQI 357 at Civil Lines (RSPCB) on 2021-03-31; Dehradun hit AQI 327 at Doon University (UKPCB) on 2024-01-19.
Station-level disparity
Ajmer spans 1 CPCB stations with a 0-point spread (min 102, max 102); Dehradun spans 1 stations with a 0-point spread (min 98, max 98).