Alwar vs Chapra
Side-by-side air quality comparison between Alwar and Chapra.
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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Alwar averaged an AQI of 88 while Chapra averaged 149 — a 61-point (69%) gap, with Chapra the more polluted and Alwar the cleaner of the two. On 955 days when both cities reported, Alwar was cleaner on 805 of them; the average daily gap was 110 AQI points.
Seasonality & days
Alwar peaks in November, while Chapra peaks in January. Alwar logged 0% Severe days and 70.2% Good-or-Satisfactory days; Chapra was 2.4% Severe and 26.8% Good-or-Satisfactory. Longest clean-air streaks: Alwar 97 days, Chapra 14 days.
Year-over-year progress
Alwar has improved by 125 AQI points (58.7%) from 2017 to 2024; Chapra has improved by 181 AQI points (54.8%) over the same window. The worst recorded day for Alwar reached AQI 356 at Moti Doongri (RSPCB) on 2017-11-11; Chapra hit AQI 452 at Darshan Nagar (BSPCB) on 2022-12-20.
Station-level disparity
Alwar spans 1 CPCB stations with a 0-point spread (min 95, max 95); Chapra spans 1 stations with a 0-point spread (min 195, max 195).