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Koppal vs Nalbāri

Side-by-side air quality comparison between Koppal and Nalbāri.

Cleaner right now: Koppal (48-pt gap)Historical head-to-head: Koppal cleaner 452/531 daysYoY 20202024: Koppal -32.3% · Nalbāri -35.8%

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

Koppal

Karnataka, India

Good

PM2.5: 14.4 µg/m³

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VS

Nalbāri

Assam, India

Satisfactory

PM2.5: 45.1 µg/m³

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Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)
PollutantKoppalNalbāri
CO(ppb)911.72378.00
NO2(ppb)14.031.20
O3(ppb)12.86170.00
PM10(µg/m³)27.7452.50
PM2.5(µg/m³)14.4245.10
SO2(ppb)12.997.80
NH3(ppb)10.70

CPCB Multi-Year History (2016–2024)

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Summary

Overview

In 2024, Koppal averaged an AQI of 65 while Nalbāri averaged 129 — a 64-point (98%) gap, with Nalbāri the more polluted and Koppal the cleaner of the two. On 531 days when both cities reported, Koppal was cleaner on 452 of them; the average daily gap was 79 AQI points.

Seasonality & days

Koppal peaks in February, while Nalbāri peaks in January. Koppal logged 0% Severe days and 85.5% Good-or-Satisfactory days; Nalbāri was 0% Severe and 41% Good-or-Satisfactory. Longest clean-air streaks: Koppal 47 days, Nalbāri 18 days.

Year-over-year progress

Koppal has improved by 31 AQI points (32.3%) from 2020 to 2024; Nalbāri has improved by 72 AQI points (35.8%) over the same window. The worst recorded day for Koppal reached AQI 384 at Diwator Nagar (KSPCB) on 2023-02-16; Nalbāri hit AQI 384 at Bata Chowk (PCBA) on 2024-01-08.

Station-level disparity

Koppal spans 1 CPCB stations with a 0-point spread (min 70, max 70); Nalbāri spans 1 stations with a 0-point spread (min 141, max 141).

Verdict

🏆 Koppal has better air quality with an AQI of 28 compared to Nalbāri's 76.

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