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Kolār vs Korba

Side-by-side air quality comparison between Kolār and Korba.

Cleaner right now: Kolār (72-pt gap)Historical head-to-head: 430 shared days, roughly evenYoY 20182024: Kolār -46.3% · Korba -22.1%

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

Kolār

Karnataka, India

Good

PM2.5: 5.1 µg/m³

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VS

Korba

Chhattisgarh, India

Satisfactory

PM2.5: 48.1 µg/m³

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Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)
PollutantKolārKorba
PM2.5(µg/m³)5.1048.10
PM10(µg/m³)6.2056.60
NO₂(µg/m³)8.8015.00
SO₂(µg/m³)4.3020.40
O₃(µg/m³)34.0086.00
CO(µg/m³)183.00325.00

CPCB Multi-Year History (2016–2024)

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Summary

Overview

In 2024, Kolār averaged an AQI of 65 while Korba averaged 67 — a 2-point (3%) gap, with Korba the more polluted and Kolār the cleaner of the two. Across 430 shared days the head-to-head is almost even, with an average daily gap of 33 AQI points.

Seasonality & days

Kolār peaks in September, while Korba peaks in January. Kolār logged 0.9% Severe days and 85.30000000000001% Good-or-Satisfactory days; Korba was 0% Severe and 78.8% Good-or-Satisfactory. Longest clean-air streaks: Kolār 17 days, Korba 83 days.

Year-over-year progress

Kolār has improved by 56 AQI points (46.3%) from 2018 to 2024; Korba has improved by 19 AQI points (22.1%) over the same window. The worst recorded day for Kolār reached AQI 500 at Tamaka Ind Area (KSPCB) on 2018-09-18; Korba hit AQI 313 at Urja Nagar (CECB) on 2023-01-04.

Station-level disparity

Kolār spans 1 CPCB stations with a 0-point spread (min 71, max 71); Korba spans 2 stations with a 13-point spread (min 62, max 75).

Verdict

🏆 Kolār has better air quality with an AQI of 9 compared to Korba's 81. That's a significant difference of 72 points.

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