Hāveri vs Salem
Side-by-side air quality comparison between Hāveri and Salem.
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 | Hāveri | Salem |
|---|---|---|
| PM2.5(µg/m³) | 7.00 | 12.70 |
| PM10(µg/m³) | 9.20 | 15.90 |
| NO₂(µg/m³) | 8.60 | 17.00 |
| SO₂(µg/m³) | 1.00 | 7.00 |
| O₃(µg/m³) | 30.00 | 30.00 |
| CO(µg/m³) | 120.00 | 237.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hāveri averaged an AQI of 66 while Salem averaged 68 — a 2-point (3%) gap, with Salem the more polluted and Hāveri the cleaner of the two. On 322 days when both cities reported, Hāveri was cleaner on 160 of them; the average daily gap was 29 AQI points.
Seasonality & days
Hāveri peaks in January, while Salem peaks in April. Hāveri logged 0% Severe days and 86.69999999999999% Good-or-Satisfactory days; Salem was 0% Severe and 87.1% Good-or-Satisfactory. Longest clean-air streaks: Hāveri 76 days, Salem 17 days.
Year-over-year progress
Hāveri has improved by 1 AQI points (1.5%) from 2022 to 2024; Salem has improved by 5 AQI points (6.8%) over the same window. The worst recorded day for Hāveri reached AQI 262 at Ashwini Nagar (KSPCB) on 2023-11-17; Salem hit AQI 214 at Sona College of Technology (TNPCB) on 2024-01-15.
Station-level disparity
Hāveri spans 1 CPCB stations with a 0-point spread (min 68, max 68); Salem spans 1 stations with a 0-point spread (min 73, max 73).
Verdict
🏆 Hāveri has better air quality with an AQI of 12 compared to Salem's 21.