Hapur vs Shillong
Side-by-side air quality comparison between Hapur and Shillong.
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 | Hapur | Shillong |
|---|---|---|
| PM2.5(µg/m³) | 69.60 | 17.90 |
| PM10(µg/m³) | 96.40 | 21.40 |
| NO₂(µg/m³) | 27.40 | 3.10 |
| SO₂(µg/m³) | 11.00 | 6.20 |
| O₃(µg/m³) | 65.00 | 118.00 |
| CO(µg/m³) | 548.00 | 304.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hapur averaged an AQI of 142 while Shillong averaged 75 — a 67-point (89%) gap, with Hapur the more polluted and Shillong the cleaner of the two. On 922 days when both cities reported, Shillong was cleaner on 853 of them; the average daily gap was 108 AQI points.
Seasonality & days
Hapur peaks in November, while Shillong peaks in February. Hapur logged 1.9% Severe days and 36.2% Good-or-Satisfactory days; Shillong was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Hapur 55 days, Shillong 113 days.
Year-over-year progress
Hapur has improved by 197 AQI points (58.1%) from 2018 to 2024; Shillong has worsened by 41 AQI points (120.6%) over the same window. The worst recorded day for Hapur reached AQI 477 at Anand Vihar (UPPCB) on 2019-10-31; Shillong hit AQI 212 at Lumpyngngad Shillong (PCB) on 2024-02-19.
Station-level disparity
Hapur spans 1 CPCB stations with a 0-point spread (min 159, max 159); Shillong spans 2 stations with a 2-point spread (min 42, max 44).
Verdict
🏆 Shillong has better air quality with an AQI of 30 compared to Hapur's 133. That's a significant difference of 103 points.