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Bettiah vs Gadag

Side-by-side air quality comparison between Bettiah and Gadag.

Cleaner right now: Gadag (241-pt gap)Historical head-to-head: Gadag cleaner 614/644 daysYoY 20212024: Bettiah -36.5% · Gadag +23.3%

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

Bettiah

Bihar, India

Poor

PM2.5: 105.0 µg/m³

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VS
🏆 Cleaner

Gadag

Karnataka, India

Good

PM2.5: 6.0 µg/m³

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Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)
PollutantBettiahGadag
PM2.5(µg/m³)105.006.00
PM10(µg/m³)116.6010.40
NO₂(µg/m³)41.605.10
SO₂(µg/m³)13.001.30
O₃(µg/m³)55.0043.00
CO(µg/m³)1389.00119.00

CPCB Multi-Year History (2016–2024)

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Summary

Overview

In 2024, Bettiah averaged an AQI of 127 while Gadag averaged 53 — a 74-point (140%) gap, with Bettiah the more polluted and Gadag the cleaner of the two. On 644 days when both cities reported, Gadag was cleaner on 614 of them; the average daily gap was 116 AQI points.

Seasonality & days

Bettiah peaks in November, while Gadag peaks in March. Bettiah logged 3.2% Severe days and 32.3% Good-or-Satisfactory days; Gadag was 0.3% Severe and 96.1% Good-or-Satisfactory. Longest clean-air streaks: Bettiah 20 days, Gadag 50 days.

Year-over-year progress

Bettiah has improved by 73 AQI points (36.5%) from 2021 to 2024; Gadag has worsened by 10 AQI points (23.3%) over the same window. The worst recorded day for Bettiah reached AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01; Gadag hit AQI 500 at Panchal Nagar (KSPCB) on 2022-12-10.

Station-level disparity

Bettiah spans 1 CPCB stations with a 0-point spread (min 173, max 173); Gadag spans 1 stations with a 0-point spread (min 54, max 54).

Verdict

🏆 Gadag has better air quality with an AQI of 10 compared to Bettiah's 251. That's a significant difference of 241 points.

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