Chapra vs Palwal
Side-by-side air quality comparison between Chapra and Palwal.
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 | Palwal |
|---|---|---|
| PM2.5(µg/m³) | 102.90 | 62.40 |
| PM10(µg/m³) | 117.10 | 136.40 |
| NO₂(µg/m³) | 42.70 | 19.70 |
| SO₂(µg/m³) | 15.30 | 10.50 |
| O₃(µg/m³) | 46.00 | 66.00 |
| CO(µg/m³) | 805.00 | 503.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chapra averaged an AQI of 149 while Palwal averaged 95 — a 54-point (57%) gap, with Chapra the more polluted and Palwal the cleaner of the two. On 886 days when both cities reported, Palwal was cleaner on 722 of them; the average daily gap was 110 AQI points.
Seasonality & days
Chapra peaks in January, while Palwal peaks in November. Chapra logged 2.4% Severe days and 26.8% Good-or-Satisfactory days; Palwal was 0.2% Severe and 47.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Chapra 14 days, Palwal 37 days.
Year-over-year progress
Chapra has improved by 181 AQI points (54.8%) from 2021 to 2024; Palwal has improved by 91 AQI points (48.9%) over the same window. The worst recorded day for Chapra reached AQI 452 at Darshan Nagar (BSPCB) on 2022-12-20; Palwal hit AQI 465 at Shyam Nagar (HSPCB) on 2019-11-14.
Station-level disparity
Chapra spans 1 CPCB stations with a 0-point spread (min 195, max 195); Palwal spans 1 stations with a 0-point spread (min 120, max 120).
Verdict
🏆 Palwal has better air quality with an AQI of 125 compared to Chapra's 244. That's a significant difference of 119 points.