Ajmer vs Katihar
Side-by-side air quality comparison between Ajmer and Katihar.
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 Katihar averaged 123 — a 11-point (10%) gap, with Katihar the more polluted and Ajmer the cleaner of the two. On 329 days when both cities reported, Ajmer was cleaner on 263 of them; the average daily gap was 129 AQI points.
Seasonality & days
Ajmer peaks in November, while Katihar peaks in December. Ajmer logged 0% Severe days and 54.300000000000004% Good-or-Satisfactory days; Katihar was 3.1% Severe and 26.9% Good-or-Satisfactory. Longest clean-air streaks: Ajmer 94 days, Katihar 19 days.
Year-over-year progress
Ajmer has improved by 22 AQI points (16.4%) from 2017 to 2022; Katihar has improved by 188 AQI points (60.5%) over the same window. The worst recorded day for Ajmer reached AQI 357 at Civil Lines (RSPCB) on 2021-03-31; Katihar hit AQI 465 at Mirchaibari (BSPCB) on 2023-01-23.
Station-level disparity
Ajmer spans 1 CPCB stations with a 0-point spread (min 102, max 102); Katihar spans 1 stations with a 0-point spread (min 185, max 185).