Aizawl vs Hosur
Side-by-side air quality comparison between Aizawl 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 | Aizawl | Hosur |
|---|---|---|
| PM2.5(µg/m³) | 20.30 | 4.10 |
| PM10(µg/m³) | 34.00 | 4.40 |
| NO₂(µg/m³) | 1.20 | 6.70 |
| SO₂(µg/m³) | 3.10 | 3.80 |
| O₃(µg/m³) | 99.00 | 41.00 |
| CO(µg/m³) | 211.00 | 137.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Aizawl averaged an AQI of 46 while Hosur averaged 90 — a 44-point (96%) gap, with Hosur the more polluted and Aizawl the cleaner of the two. On 87 days when both cities reported, Aizawl was cleaner on 86 of them; the average daily gap was 61 AQI points.
Seasonality & days
Aizawl peaks in March, while Hosur peaks in December. Aizawl logged 0% Severe days and 94.2% Good-or-Satisfactory days; Hosur was 0% Severe and 73.89999999999999% Good-or-Satisfactory. Longest clean-air streaks: Aizawl 76 days, Hosur 10 days.
Year-over-year progress
The worst recorded day for Aizawl reached AQI 208 at Sikulpuikawn Aizawl (PCB) on 2021-01-20; Hosur hit AQI 232 at SIPCOT Phase-1 (TNPCB) on 2022-10-25.
Station-level disparity
Aizawl spans 1 CPCB stations with a 0-point spread (min 43, max 43); Hosur spans 1 stations with a 0-point spread (min 90, max 90).
Verdict
🏆 Hosur has better air quality with an AQI of 7 compared to Aizawl's 34.