Hapur vs Sagar
Side-by-side air quality comparison between Hapur and Sagar.
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 | Sagar |
|---|---|---|
| PM2.5(µg/m³) | 71.90 | 25.90 |
| PM10(µg/m³) | 97.30 | 49.60 |
| NO₂(µg/m³) | 36.60 | 14.50 |
| SO₂(µg/m³) | 11.50 | 3.20 |
| O₃(µg/m³) | 36.00 | 48.00 |
| CO(µg/m³) | 589.00 | 223.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hapur averaged an AQI of 142 while Sagar averaged 96 — a 46-point (48%) gap, with Hapur the more polluted and Sagar the cleaner of the two. On 1240 days when both cities reported, Sagar was cleaner on 982 of them; the average daily gap was 74 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Hapur logged 1.9% Severe days and 36.2% Good-or-Satisfactory days; Sagar was 0% Severe and 69.9% Good-or-Satisfactory. Longest clean-air streaks: Hapur 55 days, Sagar 57 days.
Year-over-year progress
Hapur has improved by 197 AQI points (58.1%) from 2018 to 2024; Sagar has worsened by 24 AQI points (33.3%) over the same window. The worst recorded day for Hapur reached AQI 477 at Anand Vihar (UPPCB) on 2019-10-31; Sagar hit AQI 347 at Civil Lines (MPPCB) on 2024-12-25.
Station-level disparity
Hapur spans 1 CPCB stations with a 0-point spread (min 159, max 159); Sagar spans 2 stations with a 45-point spread (min 73, max 118).
Verdict
🏆 Sagar has better air quality with an AQI of 50 compared to Hapur's 140. That's a significant difference of 90 points.