Sagar vs Visakhapatnam
Side-by-side air quality comparison between Sagar 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 | Sagar | Visakhapatnam |
|---|---|---|
| PM2.5(µg/m³) | 24.90 | 33.60 |
| PM10(µg/m³) | 41.00 | 38.90 |
| NO₂(µg/m³) | 11.80 | 23.30 |
| SO₂(µg/m³) | 4.10 | 49.40 |
| O₃(µg/m³) | 61.00 | 95.00 |
| CO(µg/m³) | 211.00 | 516.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Sagar averaged an AQI of 96 while Visakhapatnam averaged 110 — a 14-point (15%) gap, with Visakhapatnam the more polluted and Sagar the cleaner of the two. On 1238 days when both cities reported, Sagar was cleaner on 833 of them; the average daily gap was 50 AQI points.
Seasonality & days
Sagar peaks in November, while Visakhapatnam peaks in January. Sagar logged 0% Severe days and 69.9% Good-or-Satisfactory days; Visakhapatnam was 0% Severe and 50.1% Good-or-Satisfactory. Longest clean-air streaks: Sagar 57 days, Visakhapatnam 27 days.
Year-over-year progress
Sagar has worsened by 24 AQI points (33.3%) from 2020 to 2024; Visakhapatnam has worsened by 15 AQI points (15.8%) over the same window. The worst recorded day for Sagar reached AQI 347 at Civil Lines (MPPCB) on 2024-12-25; Visakhapatnam hit AQI 341 at GVM Corporation (APPCB) on 2019-01-14.
Station-level disparity
Sagar spans 2 CPCB stations with a 45-point spread (min 73, max 118); Visakhapatnam spans 1 stations with a 0-point spread (min 111, max 111).
Verdict
🏆 Sagar has better air quality with an AQI of 42 compared to Visakhapatnam's 57.