Kadapa vs Salem
Side-by-side air quality comparison between Kadapa 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 | Kadapa | Salem |
|---|---|---|
| PM2.5(µg/m³) | 5.80 | 12.70 |
| PM10(µg/m³) | 7.40 | 15.90 |
| NO₂(µg/m³) | 7.50 | 17.00 |
| SO₂(µg/m³) | 3.60 | 7.00 |
| O₃(µg/m³) | 56.00 | 30.00 |
| CO(µg/m³) | 192.00 | 237.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kadapa averaged an AQI of 62 while Salem averaged 68 — a 6-point (10%) gap, with Salem the more polluted and Kadapa the cleaner of the two. On 237 days when both cities reported, Kadapa was cleaner on 139 of them; the average daily gap was 31 AQI points.
Seasonality & days
Kadapa peaks in February, while Salem peaks in April. Kadapa logged 0% Severe days and 87.80000000000001% Good-or-Satisfactory days; Salem was 0% Severe and 87.1% Good-or-Satisfactory. Longest clean-air streaks: Kadapa 72 days, Salem 17 days.
Year-over-year progress
Kadapa has improved by 6 AQI points (8.8%) from 2023 to 2024; Salem has improved by 5 AQI points (6.8%) over the same window. The worst recorded day for Kadapa reached AQI 260 at Yerramukkapalli (APPCB) on 2024-12-11; Salem hit AQI 214 at Sona College of Technology (TNPCB) on 2024-01-15.
Station-level disparity
Kadapa spans 1 CPCB stations with a 0-point spread (min 65, max 65); Salem spans 1 stations with a 0-point spread (min 73, max 73).
Verdict
🏆 Kadapa has better air quality with an AQI of 10 compared to Salem's 21.