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Gaya vs Hosur

Side-by-side air quality comparison between Gaya and Hosur.

Cleaner right now: Hosur (88-pt gap)Historical head-to-head: Hosur cleaner 87/96 days

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

Gaya

Bihar, India

Satisfactory

PM2.5: 57.7 µg/m³

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VS
🏆 Cleaner

Hosur

Tamil Nadu, India

Good

PM2.5: 5.0 µg/m³

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Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)
PollutantGayaHosur
PM2.5(µg/m³)57.705.00
PM10(µg/m³)67.506.00
NO₂(µg/m³)19.609.20
SO₂(µg/m³)12.204.50
O₃(µg/m³)62.0037.00
CO(µg/m³)427.00147.00

CPCB Multi-Year History (2016–2024)

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Summary

Overview

In 2024, Gaya averaged an AQI of 110 while Hosur averaged 90 — a 20-point (22%) gap, with Gaya the more polluted and Hosur the cleaner of the two. On 96 days when both cities reported, Hosur was cleaner on 87 of them; the average daily gap was 141 AQI points.

Seasonality & days

Gaya peaks in January, while Hosur peaks in December. Gaya logged 1.7% Severe days and 32% Good-or-Satisfactory days; Hosur was 0% Severe and 73.89999999999999% Good-or-Satisfactory. Longest clean-air streaks: Gaya 52 days, Hosur 10 days.

Year-over-year progress

The worst recorded day for Gaya reached AQI 500 at Collectorate (BSPCB) on 2016-10-15; Hosur hit AQI 232 at SIPCOT Phase-1 (TNPCB) on 2022-10-25.

Station-level disparity

Gaya spans 3 CPCB stations with a 85-point spread (min 88, max 173); Hosur spans 1 stations with a 0-point spread (min 90, max 90).

Verdict

🏆 Hosur has better air quality with an AQI of 8 compared to Gaya's 96. That's a significant difference of 88 points.

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