Hosur vs Kolār
Side-by-side air quality comparison between Hosur and Kolār.
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
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Hosur | Kolār |
|---|---|---|
| PM2.5(µg/m³) | 3.50 | 5.80 |
| PM10(µg/m³) | 4.40 | 10.80 |
| NO₂(µg/m³) | 1.50 | 1.40 |
| SO₂(µg/m³) | 2.40 | 2.00 |
| O₃(µg/m³) | 88.00 | 86.00 |
| CO(µg/m³) | 128.00 | 137.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2022, Hosur averaged an AQI of 90 while Kolār averaged 65 — a 25-point (38%) gap, with Hosur the more polluted and Kolār the cleaner of the two. On 36 days when both cities reported, Hosur was cleaner on 21 of them; the average daily gap was 29 AQI points.
Seasonality & days
Hosur peaks in December, while Kolār peaks in September. Hosur logged 0% Severe days and 73.89999999999999% Good-or-Satisfactory days; Kolār was 0.9% Severe and 85.30000000000001% Good-or-Satisfactory. Longest clean-air streaks: Hosur 10 days, Kolār 17 days.
Year-over-year progress
The worst recorded day for Hosur reached AQI 232 at SIPCOT Phase-1 (TNPCB) on 2022-10-25; Kolār hit AQI 500 at Tamaka Ind Area (KSPCB) on 2018-09-18.
Station-level disparity
Hosur spans 1 CPCB stations with a 0-point spread (min 90, max 90); Kolār spans 1 stations with a 0-point spread (min 71, max 71).
Verdict
🏆 Hosur has better air quality with an AQI of 6 compared to Kolār's 11.