Ajmer vs Chennai
Side-by-side air quality comparison between Ajmer and Chennai.
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 Chennai averaged 68 — a 44-point (65%) gap, with Ajmer the more polluted and Chennai the cleaner of the two. On 1777 days when both cities reported, Ajmer was cleaner on 939 of them; the average daily gap was 45 AQI points.
Seasonality & days
Ajmer peaks in November, while Chennai peaks in December. Ajmer logged 0% Severe days and 54.300000000000004% Good-or-Satisfactory days; Chennai was 0% Severe and 57.5% Good-or-Satisfactory. Longest clean-air streaks: Ajmer 94 days, Chennai 53 days.
Year-over-year progress
Ajmer has improved by 22 AQI points (16.4%) from 2017 to 2022; Chennai has improved by 25 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; Chennai hit AQI 391 at Kodungaiyur (TNPCB) on 2021-05-14.
Station-level disparity
Ajmer spans 1 CPCB stations with a 0-point spread (min 102, max 102); Chennai spans 9 stations with a 27-point spread (min 63, max 90).