Noida vs Sagar
Side-by-side air quality comparison between Noida 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 | Noida | Sagar |
|---|---|---|
| PM2.5(µg/m³) | 67.50 | 25.90 |
| PM10(µg/m³) | 134.10 | 49.60 |
| NO₂(µg/m³) | 34.90 | 14.50 |
| SO₂(µg/m³) | 17.50 | 3.20 |
| O₃(µg/m³) | 48.00 | 48.00 |
| CO(µg/m³) | 554.00 | 223.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Noida averaged an AQI of 182 while Sagar averaged 96 — a 86-point (90%) gap, with Noida the more polluted and Sagar the cleaner of the two. On 1312 days when both cities reported, Sagar was cleaner on 1268 of them; the average daily gap was 135 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Noida logged 8.9% Severe days and 16.5% Good-or-Satisfactory days; Sagar was 0% Severe and 69.9% Good-or-Satisfactory. Longest clean-air streaks: Noida 14 days, Sagar 57 days.
Year-over-year progress
Noida has improved by 79 AQI points (30.3%) from 2017 to 2024; Sagar has worsened by 24 AQI points (33.3%) over the same window. The worst recorded day for Noida reached AQI 500 at Sector-1 (UPPCB) on 2019-11-01; Sagar hit AQI 347 at Civil Lines (MPPCB) on 2024-12-25.
Station-level disparity
Noida spans 4 CPCB stations with a 15-point spread (min 195, max 210); Sagar spans 2 stations with a 45-point spread (min 73, max 118).
Verdict
🏆 Sagar has better air quality with an AQI of 50 compared to Noida's 126. That's a significant difference of 76 points.