Hisar vs Hosur
Side-by-side air quality comparison between Hisar and Hosur.
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 | Hisar | Hosur |
|---|---|---|
| PM2.5(µg/m³) | 75.70 | 4.50 |
| PM10(µg/m³) | 224.40 | 5.00 |
| NO₂(µg/m³) | 34.70 | 7.50 |
| SO₂(µg/m³) | 8.30 | 4.10 |
| O₃(µg/m³) | 43.00 | 38.00 |
| CO(µg/m³) | 508.00 | 140.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hisar averaged an AQI of 136 while Hosur averaged 90 — a 46-point (51%) gap, with Hisar the more polluted and Hosur the cleaner of the two. On 90 days when both cities reported, Hosur was cleaner on 76 of them; the average daily gap was 77 AQI points.
Seasonality & days
Hisar peaks in November, while Hosur peaks in December. Hisar logged 1.6% Severe days and 29.700000000000003% Good-or-Satisfactory days; Hosur was 0% Severe and 73.89999999999999% Good-or-Satisfactory. Longest clean-air streaks: Hisar 34 days, Hosur 10 days.
Year-over-year progress
The worst recorded day for Hisar reached AQI 490 at Urban Estate-II (HSPCB) on 2019-11-02; Hosur hit AQI 232 at SIPCOT Phase-1 (TNPCB) on 2022-10-25.
Station-level disparity
Hisar spans 1 CPCB stations with a 0-point spread (min 168, max 168); Hosur spans 1 stations with a 0-point spread (min 90, max 90).
Verdict
🏆 Hosur has better air quality with an AQI of 8 compared to Hisar's 183. That's a significant difference of 175 points.