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Hapur vs Kishanganj

Side-by-side air quality comparison between Hapur and Kishanganj.

Cleaner right now: Hapur (92-pt gap)Historical head-to-head: Hapur cleaner 473/896 daysYoY 20182024: Hapur -58.1% · Kishanganj -48.6%

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

🏆 Cleaner

Hapur

Uttar Pradesh, India

Moderate

PM2.5: 71.9 µg/m³

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VS

Kishanganj

Bihar, India

Poor

PM2.5: 99.4 µg/m³

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Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)
PollutantHapurKishanganj
PM2.5(µg/m³)71.9099.40
PM10(µg/m³)97.30102.00
NO₂(µg/m³)36.6019.70
SO₂(µg/m³)11.5012.20
O₃(µg/m³)36.0059.00
CO(µg/m³)589.00768.00

CPCB Multi-Year History (2016–2024)

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Summary

Overview

In 2024, Hapur averaged an AQI of 142 while Kishanganj averaged 144 — a 2-point (1%) gap, with Kishanganj the more polluted and Hapur the cleaner of the two. On 896 days when both cities reported, Hapur was cleaner on 473 of them; the average daily gap was 78 AQI points.

Seasonality & days

Hapur peaks in November, while Kishanganj peaks in January. Hapur logged 1.9% Severe days and 36.2% Good-or-Satisfactory days; Kishanganj was 0.2% Severe and 37.099999999999994% Good-or-Satisfactory. Longest clean-air streaks: Hapur 55 days, Kishanganj 23 days.

Year-over-year progress

Hapur has improved by 197 AQI points (58.1%) from 2018 to 2024; Kishanganj has improved by 136 AQI points (48.6%) over the same window. The worst recorded day for Hapur reached AQI 477 at Anand Vihar (UPPCB) on 2019-10-31; Kishanganj hit AQI 417 at SDM Office Khagra (BSPCB) on 2022-02-01.

Station-level disparity

Hapur spans 1 CPCB stations with a 0-point spread (min 159, max 159); Kishanganj spans 1 stations with a 0-point spread (min 156, max 156).

Verdict

🏆 Hapur has better air quality with an AQI of 140 compared to Kishanganj's 232. That's a significant difference of 92 points.

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