Ajmer vs Mumbai
Side-by-side air quality comparison between Ajmer and Mumbai.
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 | Mumbai |
|---|---|---|
| PM2.5(µg/m³) | 22.90 | 17.50 |
| PM10(µg/m³) | 59.60 | 40.70 |
| NO₂(µg/m³) | 3.00 | 11.00 |
| SO₂(µg/m³) | 4.30 | 12.60 |
| O₃(µg/m³) | 64.00 | 42.00 |
| CO(µg/m³) | 168.00 | 196.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2022, Ajmer averaged an AQI of 112 while Mumbai averaged 93 — a 19-point (20%) gap, with Ajmer the more polluted and Mumbai the cleaner of the two. On 1688 days when both cities reported, Ajmer was cleaner on 1313 of them; the average daily gap was 76 AQI points.
Seasonality & days
Ajmer peaks in November, while Mumbai peaks in December. Ajmer logged 0% Severe days and 54.300000000000004% Good-or-Satisfactory days; Mumbai was 0.5% Severe and 34% Good-or-Satisfactory. Longest clean-air streaks: Ajmer 94 days, Mumbai 58 days.
Year-over-year progress
Ajmer has improved by 22 AQI points (16.4%) from 2017 to 2022; Mumbai has improved by 4 AQI points (4.1%) over the same window. The worst recorded day for Ajmer reached AQI 357 at Civil Lines (RSPCB) on 2021-03-31; Mumbai hit AQI 500 at Vile Parle West (MPCB) on 2022-08-15.
Station-level disparity
Ajmer spans 1 CPCB stations with a 0-point spread (min 102, max 102); Mumbai spans 29 stations with a 74-point spread (min 77, max 151).
Verdict
🏆 Mumbai has better air quality with an AQI of 41 compared to Ajmer's 60.