Hosur vs Puducherry
Side-by-side air quality comparison between Hosur and Puducherry.
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 | Puducherry |
|---|---|---|
| PM2.5(µg/m³) | 4.10 | 18.20 |
| PM10(µg/m³) | 4.40 | 21.50 |
| NO₂(µg/m³) | 6.70 | 16.00 |
| SO₂(µg/m³) | 3.80 | 8.50 |
| O₃(µg/m³) | 41.00 | 47.00 |
| CO(µg/m³) | 137.00 | 375.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2022, Hosur averaged an AQI of 90 while Puducherry averaged 55 — a 35-point (64%) gap, with Hosur the more polluted and Puducherry the cleaner of the two. On 90 days when both cities reported, Puducherry was cleaner on 73 of them; the average daily gap was 39 AQI points.
Seasonality & days
Both cities see their worst air in December on average. Hosur logged 0% Severe days and 73.89999999999999% Good-or-Satisfactory days; Puducherry was 0% Severe and 95.4% Good-or-Satisfactory. Longest clean-air streaks: Hosur 10 days, Puducherry 117 days.
Year-over-year progress
The worst recorded day for Hosur reached AQI 232 at SIPCOT Phase-1 (TNPCB) on 2022-10-25; Puducherry hit AQI 274 at Jawahar Nagar (PPCC) on 2022-10-25.
Station-level disparity
Hosur spans 1 CPCB stations with a 0-point spread (min 90, max 90); Puducherry spans 1 stations with a 0-point spread (min 56, max 56).
Verdict
🏆 Hosur has better air quality with an AQI of 7 compared to Puducherry's 30.