Hassan vs Ujjain
Side-by-side air quality comparison between Hassan 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 | Hassan | Ujjain |
|---|---|---|
| PM2.5(µg/m³) | 2.80 | 29.30 |
| PM10(µg/m³) | 4.30 | 46.00 |
| NO₂(µg/m³) | 3.60 | 7.60 |
| SO₂(µg/m³) | 0.70 | 16.00 |
| O₃(µg/m³) | 40.00 | 53.00 |
| CO(µg/m³) | 121.00 | 208.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hassan averaged an AQI of 60 while Ujjain averaged 116 — a 56-point (93%) gap, with Ujjain the more polluted and Hassan the cleaner of the two. On 940 days when both cities reported, Hassan was cleaner on 883 of them; the average daily gap was 64 AQI points.
Seasonality & days
Hassan peaks in March, while Ujjain peaks in November. Hassan logged 0% Severe days and 92.5% Good-or-Satisfactory days; Ujjain was 0.1% Severe and 33.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Hassan 51 days, Ujjain 67 days.
Year-over-year progress
Hassan has improved by 4 AQI points (6.2%) from 2021 to 2024; Ujjain has improved by 71 AQI points (38%) over the same window. The worst recorded day for Hassan reached AQI 212 at BKatihalli (KSPCB) on 2024-05-11; Ujjain hit AQI 500 at Mahakaleshwar Temple (MPPCB) on 2023-03-10.
Station-level disparity
Hassan spans 1 CPCB stations with a 0-point spread (min 63, max 63); Ujjain spans 1 stations with a 0-point spread (min 131, max 131).
Verdict
🏆 Hassan has better air quality with an AQI of 5 compared to Ujjain's 49.