Alwar vs Visakhapatnam
Side-by-side air quality comparison between Alwar and Visakhapatnam.
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 | Alwar | Visakhapatnam |
|---|---|---|
| PM2.5(µg/m³) | 58.70 | 33.60 |
| PM10(µg/m³) | 158.30 | 38.90 |
| NO₂(µg/m³) | 14.30 | 23.30 |
| SO₂(µg/m³) | 8.50 | 49.40 |
| O₃(µg/m³) | 76.00 | 95.00 |
| CO(µg/m³) | 357.00 | 516.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Alwar averaged an AQI of 88 while Visakhapatnam averaged 110 — a 22-point (25%) gap, with Visakhapatnam the more polluted and Alwar the cleaner of the two. On 2226 days when both cities reported, Alwar was cleaner on 1392 of them; the average daily gap was 45 AQI points.
Seasonality & days
Alwar peaks in November, while Visakhapatnam peaks in January. Alwar logged 0% Severe days and 70.2% Good-or-Satisfactory days; Visakhapatnam was 0% Severe and 50.1% Good-or-Satisfactory. Longest clean-air streaks: Alwar 97 days, Visakhapatnam 27 days.
Year-over-year progress
Alwar has improved by 125 AQI points (58.7%) from 2017 to 2024; Visakhapatnam has worsened by 15 AQI points (15.8%) over the same window. The worst recorded day for Alwar reached AQI 356 at Moti Doongri (RSPCB) on 2017-11-11; Visakhapatnam hit AQI 341 at GVM Corporation (APPCB) on 2019-01-14.
Station-level disparity
Alwar spans 1 CPCB stations with a 0-point spread (min 95, max 95); Visakhapatnam spans 1 stations with a 0-point spread (min 111, max 111).
Verdict
🏆 Visakhapatnam has better air quality with an AQI of 57 compared to Alwar's 139. That's a significant difference of 82 points.