Pune vs Ujjain
Side-by-side air quality comparison between Pune and Ujjain.
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 | Pune | Ujjain |
|---|---|---|
| PM2.5(µg/m³) | 16.30 | 29.30 |
| PM10(µg/m³) | 35.50 | 46.00 |
| NO₂(µg/m³) | 10.00 | 7.60 |
| SO₂(µg/m³) | 9.20 | 16.00 |
| O₃(µg/m³) | 36.00 | 53.00 |
| CO(µg/m³) | 152.00 | 208.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Pune averaged an AQI of 97 while Ujjain averaged 116 — a 19-point (20%) gap, with Ujjain the more polluted and Pune the cleaner of the two. On 1918 days when both cities reported, Pune was cleaner on 1073 of them; the average daily gap was 48 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Pune logged 0.1% Severe days and 44.8% Good-or-Satisfactory days; Ujjain was 0.1% Severe and 33.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Pune 92 days, Ujjain 67 days.
Year-over-year progress
Pune has improved by 7 AQI points (6.7%) from 2017 to 2024; Ujjain has improved by 71 AQI points (38%) over the same window. The worst recorded day for Pune reached AQI 435 at Alandi (IITM) on 2024-01-29; Ujjain hit AQI 500 at Mahakaleshwar Temple (MPPCB) on 2023-03-10.
Station-level disparity
Pune spans 12 CPCB stations with a 54-point spread (min 68, max 122); Ujjain spans 1 stations with a 0-point spread (min 131, max 131).
Verdict
🏆 Pune has better air quality with an AQI of 36 compared to Ujjain's 49.