Hosur vs Kanchipuram
Side-by-side air quality comparison between Hosur and Kanchipuram.
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 | Kanchipuram |
|---|---|---|
| PM2.5(µg/m³) | 4.50 | 9.40 |
| PM10(µg/m³) | 5.00 | 11.10 |
| NO₂(µg/m³) | 7.50 | 10.40 |
| SO₂(µg/m³) | 4.10 | 4.60 |
| O₃(µg/m³) | 38.00 | 44.00 |
| CO(µg/m³) | 140.00 | 243.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2022, Hosur averaged an AQI of 90 while Kanchipuram averaged 51 — a 39-point (76%) gap, with Hosur the more polluted and Kanchipuram the cleaner of the two. On 32 days when both cities reported, Kanchipuram was cleaner on 32 of them; the average daily gap was 34 AQI points.
Seasonality & days
Hosur peaks in December, while Kanchipuram peaks in February. Hosur logged 0% Severe days and 73.89999999999999% Good-or-Satisfactory days; Kanchipuram was 0% Severe and 94% Good-or-Satisfactory. Longest clean-air streaks: Hosur 10 days, Kanchipuram 18 days.
Year-over-year progress
The worst recorded day for Hosur reached AQI 232 at SIPCOT Phase-1 (TNPCB) on 2022-10-25; Kanchipuram hit AQI 320 at Kilambi (TNPCB) on 2023-05-22.
Station-level disparity
Hosur spans 1 CPCB stations with a 0-point spread (min 90, max 90); Kanchipuram spans 1 stations with a 0-point spread (min 57, max 57).
Verdict
🏆 Hosur has better air quality with an AQI of 8 compared to Kanchipuram's 16.