Dewās vs Noida
Side-by-side air quality comparison between Dewās and Noida.
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 | Dewās | Noida |
|---|---|---|
| PM2.5(µg/m³) | 32.60 | 67.50 |
| PM10(µg/m³) | 47.00 | 134.10 |
| NO₂(µg/m³) | 6.50 | 34.90 |
| SO₂(µg/m³) | 12.50 | 17.50 |
| O₃(µg/m³) | 74.00 | 48.00 |
| CO(µg/m³) | 243.00 | 554.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dewās averaged an AQI of 98 while Noida averaged 182 — a 84-point (86%) gap, with Noida the more polluted and Dewās the cleaner of the two. On 2113 days when both cities reported, Dewās was cleaner on 1967 of them; the average daily gap was 128 AQI points.
Seasonality & days
Dewās peaks in December, while Noida peaks in November. Dewās logged 0% Severe days and 47.7% Good-or-Satisfactory days; Noida was 8.9% Severe and 16.5% Good-or-Satisfactory. Longest clean-air streaks: Dewās 101 days, Noida 14 days.
Year-over-year progress
Dewās has improved by 48 AQI points (32.9%) from 2017 to 2024; Noida has improved by 79 AQI points (30.3%) over the same window. The worst recorded day for Dewās reached AQI 327 at Bhopal Chauraha (MPPCB) on 2023-07-01; Noida hit AQI 500 at Sector-1 (UPPCB) on 2019-11-01.
Station-level disparity
Dewās spans 1 CPCB stations with a 0-point spread (min 106, max 106); Noida spans 4 stations with a 15-point spread (min 195, max 210).
Verdict
🏆 Dewās has better air quality with an AQI of 55 compared to Noida's 126. That's a significant difference of 71 points.