Dehradun vs Nalbāri
Side-by-side air quality comparison between Dehradun and Nalbāri.
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 | Nalbāri |
|---|---|---|
| PM2.5(µg/m³) | 18.70 | 54.50 |
| PM10(µg/m³) | 18.70 | 61.20 |
| NO₂(µg/m³) | 35.70 | 6.50 |
| SO₂(µg/m³) | 3.50 | 5.80 |
| O₃(µg/m³) | 34.00 | 123.00 |
| CO(µg/m³) | 379.00 | 407.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dehradun averaged an AQI of 106 while Nalbāri averaged 129 — a 23-point (22%) gap, with Nalbāri the more polluted and Dehradun the cleaner of the two. On 574 days when both cities reported, Dehradun was cleaner on 386 of them; the average daily gap was 66 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Dehradun logged 0% Severe days and 62.8% Good-or-Satisfactory days; Nalbāri was 0% Severe and 41% Good-or-Satisfactory. Longest clean-air streaks: Dehradun 41 days, Nalbāri 18 days.
Year-over-year progress
Dehradun has worsened by 19 AQI points (21.8%) from 2022 to 2024; Nalbāri has improved by 72 AQI points (35.8%) over the same window. The worst recorded day for Dehradun reached AQI 327 at Doon University (UKPCB) on 2024-01-19; Nalbāri hit AQI 384 at Bata Chowk (PCBA) on 2024-01-08.
Station-level disparity
Dehradun spans 1 CPCB stations with a 0-point spread (min 98, max 98); Nalbāri spans 1 stations with a 0-point spread (min 141, max 141).
Verdict
🏆 Dehradun has better air quality with an AQI of 31 compared to Nalbāri's 91. That's a significant difference of 60 points.