Alwar vs Sagar
Side-by-side air quality comparison between Alwar and Sagar.
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 | Sagar |
|---|---|---|
| PM2.5(µg/m³) | 58.70 | 24.90 |
| PM10(µg/m³) | 158.30 | 41.00 |
| NO₂(µg/m³) | 14.30 | 11.80 |
| SO₂(µg/m³) | 8.50 | 4.10 |
| O₃(µg/m³) | 76.00 | 61.00 |
| CO(µg/m³) | 357.00 | 211.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Alwar averaged an AQI of 88 while Sagar averaged 96 — a 8-point (9%) gap, with Sagar the more polluted and Alwar the cleaner of the two. On 1293 days when both cities reported, Sagar was cleaner on 757 of them; the average daily gap was 36 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Alwar logged 0% Severe days and 70.2% Good-or-Satisfactory days; Sagar was 0% Severe and 69.9% Good-or-Satisfactory. Longest clean-air streaks: Alwar 97 days, Sagar 57 days.
Year-over-year progress
Alwar has improved by 125 AQI points (58.7%) from 2017 to 2024; Sagar has worsened by 24 AQI points (33.3%) over the same window. The worst recorded day for Alwar reached AQI 356 at Moti Doongri (RSPCB) on 2017-11-11; Sagar hit AQI 347 at Civil Lines (MPPCB) on 2024-12-25.
Station-level disparity
Alwar spans 1 CPCB stations with a 0-point spread (min 95, max 95); Sagar spans 2 stations with a 45-point spread (min 73, max 118).
Verdict
🏆 Sagar has better air quality with an AQI of 42 compared to Alwar's 139. That's a significant difference of 97 points.