Indore vs Ujjain
Side-by-side air quality comparison between Indore 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 | Indore | Ujjain |
|---|---|---|
| PM2.5(µg/m³) | 31.30 | 29.30 |
| PM10(µg/m³) | 47.80 | 46.00 |
| NO₂(µg/m³) | 7.10 | 7.60 |
| SO₂(µg/m³) | 15.10 | 16.00 |
| O₃(µg/m³) | 66.00 | 53.00 |
| CO(µg/m³) | 251.00 | 208.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Indore averaged an AQI of 84 while Ujjain averaged 116 — a 32-point (38%) gap, with Ujjain the more polluted and Indore the cleaner of the two. On 1468 days when both cities reported, Indore was cleaner on 929 of them; the average daily gap was 28 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Indore logged 0% Severe days and 45.099999999999994% Good-or-Satisfactory days; Ujjain was 0.1% Severe and 33.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Indore 65 days, Ujjain 67 days.
Year-over-year progress
Indore has improved by 47 AQI points (35.9%) from 2019 to 2024; Ujjain has improved by 71 AQI points (38%) over the same window. The worst recorded day for Indore reached AQI 359 at Maguda Nagar (IMC) on 2024-09-18; Ujjain hit AQI 500 at Mahakaleshwar Temple (MPPCB) on 2023-03-10.
Station-level disparity
Indore spans 6 CPCB stations with a 69-point spread (min 52, max 121); Ujjain spans 1 stations with a 0-point spread (min 131, max 131).
Verdict
🏆 Ujjain has better air quality with an AQI of 49 compared to Indore's 53.