Chapra vs Hapur
Side-by-side air quality comparison between Chapra and Hapur.
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 | Chapra | Hapur |
|---|---|---|
| PM2.5(µg/m³) | 99.00 | 71.90 |
| PM10(µg/m³) | 115.50 | 97.30 |
| NO₂(µg/m³) | 53.70 | 36.60 |
| SO₂(µg/m³) | 13.70 | 11.50 |
| O₃(µg/m³) | 10.00 | 36.00 |
| CO(µg/m³) | 858.00 | 589.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chapra averaged an AQI of 149 while Hapur averaged 142 — a 7-point (5%) gap, with Chapra the more polluted and Hapur the cleaner of the two. On 911 days when both cities reported, Hapur was cleaner on 611 of them; the average daily gap was 93 AQI points.
Seasonality & days
Chapra peaks in January, while Hapur peaks in November. Chapra logged 2.4% Severe days and 26.8% Good-or-Satisfactory days; Hapur was 1.9% Severe and 36.2% Good-or-Satisfactory. Longest clean-air streaks: Chapra 14 days, Hapur 55 days.
Year-over-year progress
Chapra has improved by 181 AQI points (54.8%) from 2021 to 2024; Hapur has improved by 197 AQI points (58.1%) over the same window. The worst recorded day for Chapra reached AQI 452 at Darshan Nagar (BSPCB) on 2022-12-20; Hapur hit AQI 477 at Anand Vihar (UPPCB) on 2019-10-31.
Station-level disparity
Chapra spans 1 CPCB stations with a 0-point spread (min 195, max 195); Hapur spans 1 stations with a 0-point spread (min 159, max 159).
Verdict
🏆 Hapur has better air quality with an AQI of 140 compared to Chapra's 231. That's a significant difference of 91 points.