Dehradun vs Noida
Side-by-side air quality comparison between Dehradun 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 | Dehradun | Noida |
|---|---|---|
| PM2.5(µg/m³) | 29.10 | 85.00 |
| PM10(µg/m³) | 89.90 | 390.20 |
| NO₂(µg/m³) | 0.50 | 9.90 |
| SO₂(µg/m³) | 7.10 | 19.10 |
| O₃(µg/m³) | 171.00 | 175.00 |
| CO(µg/m³) | 267.00 | 459.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dehradun averaged an AQI of 106 while Noida averaged 182 — a 76-point (72%) gap, with Noida the more polluted and Dehradun the cleaner of the two. On 502 days when both cities reported, Dehradun was cleaner on 489 of them; the average daily gap was 113 AQI points.
Seasonality & days
Dehradun peaks in January, while Noida peaks in November. Dehradun logged 0% Severe days and 62.8% Good-or-Satisfactory days; Noida was 8.9% Severe and 16.5% Good-or-Satisfactory. Longest clean-air streaks: Dehradun 41 days, Noida 14 days.
Year-over-year progress
Dehradun has worsened by 19 AQI points (21.8%) from 2022 to 2024; Noida has improved by 79 AQI points (30.3%) over the same window. The worst recorded day for Dehradun reached AQI 327 at Doon University (UKPCB) on 2024-01-19; Noida hit AQI 500 at Sector-1 (UPPCB) on 2019-11-01.
Station-level disparity
Dehradun spans 1 CPCB stations with a 0-point spread (min 98, max 98); Noida spans 4 stations with a 15-point spread (min 195, max 210).
Verdict
🏆 Dehradun has better air quality with an AQI of 90 compared to Noida's 351. That's a significant difference of 261 points.