Ajmer vs Bulandshahr
Side-by-side air quality comparison between Ajmer and Bulandshahr.
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 | Bulandshahr |
|---|---|---|
| PM2.5(µg/m³) | 19.40 | 71.00 |
| PM10(µg/m³) | 41.90 | 110.10 |
| NO₂(µg/m³) | 4.60 | 35.60 |
| SO₂(µg/m³) | 4.30 | 9.70 |
| O₃(µg/m³) | 57.00 | 39.00 |
| CO(µg/m³) | 155.00 | 517.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2022, Ajmer averaged an AQI of 112 while Bulandshahr averaged 142 — a 30-point (27%) gap, with Bulandshahr the more polluted and Ajmer the cleaner of the two. On 1496 days when both cities reported, Ajmer was cleaner on 1217 of them; the average daily gap was 108 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Ajmer logged 0% Severe days and 54.300000000000004% Good-or-Satisfactory days; Bulandshahr was 3.2% Severe and 27.099999999999998% Good-or-Satisfactory. Longest clean-air streaks: Ajmer 94 days, Bulandshahr 41 days.
Year-over-year progress
Ajmer has improved by 22 AQI points (16.4%) from 2017 to 2022; Bulandshahr has improved by 82 AQI points (36.6%) over the same window. The worst recorded day for Ajmer reached AQI 357 at Civil Lines (RSPCB) on 2021-03-31; Bulandshahr hit AQI 500 at Yamunapuram (UPPCB) on 2018-06-13.
Station-level disparity
Ajmer spans 1 CPCB stations with a 0-point spread (min 102, max 102); Bulandshahr spans 1 stations with a 0-point spread (min 180, max 180).
Verdict
🏆 Ajmer has better air quality with an AQI of 42 compared to Bulandshahr's 137. That's a significant difference of 95 points.