Ajmer vs Hajipur
Side-by-side air quality comparison between Ajmer and Hajipur.
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 | Hajipur |
|---|---|---|
| PM2.5(µg/m³) | 22.90 | 97.80 |
| PM10(µg/m³) | 59.60 | 109.40 |
| NO₂(µg/m³) | 3.00 | 40.50 |
| SO₂(µg/m³) | 4.30 | 18.90 |
| O₃(µg/m³) | 64.00 | 52.00 |
| CO(µg/m³) | 168.00 | 725.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2022, Ajmer averaged an AQI of 112 while Hajipur averaged 173 — a 61-point (54%) gap, with Hajipur the more polluted and Ajmer the cleaner of the two. On 865 days when both cities reported, Ajmer was cleaner on 541 of them; the average daily gap was 63 AQI points.
Seasonality & days
Ajmer peaks in November, while Hajipur peaks in December. Ajmer logged 0% Severe days and 54.300000000000004% Good-or-Satisfactory days; Hajipur was 0.3% Severe and 36.6% Good-or-Satisfactory. Longest clean-air streaks: Ajmer 94 days, Hajipur 36 days.
Year-over-year progress
Ajmer has improved by 22 AQI points (16.4%) from 2017 to 2022; Hajipur has worsened by 74 AQI points (74.7%) over the same window. The worst recorded day for Ajmer reached AQI 357 at Civil Lines (RSPCB) on 2021-03-31; Hajipur hit AQI 427 at Industrial Area (BSPCB) on 2024-11-12.
Station-level disparity
Ajmer spans 1 CPCB stations with a 0-point spread (min 102, max 102); Hajipur spans 1 stations with a 0-point spread (min 149, max 149).
Verdict
🏆 Ajmer has better air quality with an AQI of 60 compared to Hajipur's 227. That's a significant difference of 167 points.