Salem vs Vijayawada
Side-by-side air quality comparison between Salem and Vijayawada.
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 | Salem | Vijayawada |
|---|---|---|
| PM2.5(µg/m³) | 12.90 | 17.90 |
| PM10(µg/m³) | 15.80 | 19.50 |
| NO₂(µg/m³) | 17.10 | 9.10 |
| SO₂(µg/m³) | 7.50 | 6.90 |
| O₃(µg/m³) | 30.00 | 75.00 |
| CO(µg/m³) | 243.00 | 264.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Salem averaged an AQI of 68 while Vijayawada averaged 64 — a 4-point (6%) gap, with Salem the more polluted and Vijayawada the cleaner of the two. On 266 days when both cities reported, Salem was cleaner on 163 of them; the average daily gap was 37 AQI points.
Seasonality & days
Salem peaks in April, while Vijayawada peaks in February. Salem logged 0% Severe days and 87.1% Good-or-Satisfactory days; Vijayawada was 0.2% Severe and 86.8% Good-or-Satisfactory. Longest clean-air streaks: Salem 17 days, Vijayawada 72 days.
Year-over-year progress
Salem has improved by 5 AQI points (6.8%) from 2022 to 2024; Vijayawada has improved by 21 AQI points (24.7%) over the same window. The worst recorded day for Salem reached AQI 214 at Sona College of Technology (TNPCB) on 2024-01-15; Vijayawada hit AQI 500 at Kanuru (APPCB) on 2023-04-04.
Station-level disparity
Salem spans 1 CPCB stations with a 0-point spread (min 73, max 73); Vijayawada spans 5 stations with a 9-point spread (min 65, max 74).
Verdict
🏆 Salem has better air quality with an AQI of 22 compared to Vijayawada's 30.