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Hosur vs Motihari

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

Cleaner right now: Hosur (86-pt gap)Historical head-to-head: Hosur cleaner 62/86 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

🏆 Cleaner

Hosur

Tamil Nadu, India

Good

PM2.5: 3.5 µg/m³

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VS

Motihari

Bihar, India

Satisfactory

PM2.5: 54.8 µg/m³

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Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)
PollutantHosurMotihari
PM2.5(µg/m³)3.5054.80
PM10(µg/m³)4.4083.80
NO₂(µg/m³)1.500.40
SO₂(µg/m³)2.408.50
O₃(µg/m³)88.00211.00
CO(µg/m³)128.00264.00

CPCB Multi-Year History (2016–2024)

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Summary

Overview

In 2022, Hosur averaged an AQI of 90 while Motihari averaged 116 — a 26-point (29%) gap, with Motihari the more polluted and Hosur the cleaner of the two. On 86 days when both cities reported, Hosur was cleaner on 62 of them; the average daily gap was 135 AQI points.

Seasonality & days

Hosur peaks in December, while Motihari peaks in November. Hosur logged 0% Severe days and 73.89999999999999% Good-or-Satisfactory days; Motihari was 1.2% Severe and 39.1% Good-or-Satisfactory. Longest clean-air streaks: Hosur 10 days, Motihari 26 days.

Year-over-year progress

The worst recorded day for Hosur reached AQI 232 at SIPCOT Phase-1 (TNPCB) on 2022-10-25; Motihari hit AQI 448 at Gandak Colony (BSPCB) on 2022-11-17.

Station-level disparity

Hosur spans 1 CPCB stations with a 0-point spread (min 90, max 90); Motihari spans 1 stations with a 0-point spread (min 153, max 153).

Verdict

🏆 Hosur has better air quality with an AQI of 6 compared to Motihari's 92. That's a significant difference of 86 points.

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