Hassan vs Noida
Side-by-side air quality comparison between Hassan and Noida.
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 | Noida |
|---|---|---|
| PM2.5(µg/m³) | 2.80 | 69.60 |
| PM10(µg/m³) | 4.30 | 137.40 |
| NO₂(µg/m³) | 3.60 | 30.10 |
| SO₂(µg/m³) | 0.70 | 17.90 |
| O₃(µg/m³) | 40.00 | 65.00 |
| CO(µg/m³) | 121.00 | 562.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hassan averaged an AQI of 60 while Noida averaged 182 — a 122-point (203%) gap, with Noida the more polluted and Hassan the cleaner of the two. On 790 days when both cities reported, Hassan was cleaner on 776 of them; the average daily gap was 150 AQI points.
Seasonality & days
Hassan peaks in March, while Noida peaks in November. Hassan logged 0% Severe days and 92.5% Good-or-Satisfactory days; Noida was 8.9% Severe and 16.5% Good-or-Satisfactory. Longest clean-air streaks: Hassan 51 days, Noida 14 days.
Year-over-year progress
Hassan has improved by 4 AQI points (6.2%) from 2021 to 2024; Noida has improved by 79 AQI points (30.3%) over the same window. The worst recorded day for Hassan reached AQI 212 at BKatihalli (KSPCB) on 2024-05-11; Noida hit AQI 500 at Sector-1 (UPPCB) on 2019-11-01.
Station-level disparity
Hassan spans 1 CPCB stations with a 0-point spread (min 63, max 63); Noida spans 4 stations with a 15-point spread (min 195, max 210).
Verdict
🏆 Hassan has better air quality with an AQI of 5 compared to Noida's 133. That's a significant difference of 128 points.