Alwar vs Ambala
Side-by-side air quality comparison between Alwar and Ambala.
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 | Ambala |
|---|---|---|
| PM2.5(µg/m³) | 58.70 | 44.90 |
| PM10(µg/m³) | 158.30 | 117.80 |
| NO₂(µg/m³) | 14.30 | 13.20 |
| SO₂(µg/m³) | 8.50 | 11.50 |
| O₃(µg/m³) | 76.00 | 100.00 |
| CO(µg/m³) | 357.00 | 547.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Alwar averaged an AQI of 88 while Ambala averaged 94 — a 6-point (7%) gap, with Ambala the more polluted and Alwar the cleaner of the two. On 1963 days when both cities reported, Alwar was cleaner on 1331 of them; the average daily gap was 51 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; Ambala was 0.2% Severe and 46.5% Good-or-Satisfactory. Longest clean-air streaks: Alwar 97 days, Ambala 44 days.
Year-over-year progress
Alwar has improved by 125 AQI points (58.7%) from 2017 to 2024; Ambala has improved by 52 AQI points (35.6%) over the same window. The worst recorded day for Alwar reached AQI 356 at Moti Doongri (RSPCB) on 2017-11-11; Ambala hit AQI 452 at Patti Mehar (HSPCB) on 2020-11-04.
Station-level disparity
Alwar spans 1 CPCB stations with a 0-point spread (min 95, max 95); Ambala spans 1 stations with a 0-point spread (min 126, max 126).
Verdict
🏆 Ambala has better air quality with an AQI of 113 compared to Alwar's 139.