Hosur vs Prayagraj
Side-by-side air quality comparison between Hosur and Prayagraj.
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 | Prayagraj |
|---|---|---|
| PM2.5(µg/m³) | 4.50 | 61.00 |
| PM10(µg/m³) | 5.00 | 73.80 |
| NO₂(µg/m³) | 7.50 | 45.90 |
| SO₂(µg/m³) | 4.10 | 15.60 |
| O₃(µg/m³) | 38.00 | 36.00 |
| CO(µg/m³) | 140.00 | 240.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2022, Hosur averaged an AQI of 90 while Prayagraj averaged 80 — a 10-point (13%) gap, with Hosur the more polluted and Prayagraj the cleaner of the two. On 96 days when both cities reported, Hosur was cleaner on 74 of them; the average daily gap was 43 AQI points.
Seasonality & days
Hosur peaks in December, while Prayagraj peaks in November. Hosur logged 0% Severe days and 73.89999999999999% Good-or-Satisfactory days; Prayagraj was 0.2% Severe and 48% Good-or-Satisfactory. Longest clean-air streaks: Hosur 10 days, Prayagraj 69 days.
Year-over-year progress
The worst recorded day for Hosur reached AQI 232 at SIPCOT Phase-1 (TNPCB) on 2022-10-25; Prayagraj hit AQI 416 at Nagar Nigam (UPPCB) on 2021-11-08.
Station-level disparity
Hosur spans 1 CPCB stations with a 0-point spread (min 90, max 90); Prayagraj spans 3 stations with a 9-point spread (min 96, max 105).
Verdict
🏆 Hosur has better air quality with an AQI of 8 compared to Prayagraj's 104. That's a significant difference of 96 points.