Meerut vs Ujjain
Side-by-side air quality comparison between Meerut and Ujjain.
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 | Meerut | Ujjain |
|---|---|---|
| PM2.5(µg/m³) | 68.70 | 27.30 |
| PM10(µg/m³) | 244.00 | 52.60 |
| NO₂(µg/m³) | 3.50 | 0.70 |
| SO₂(µg/m³) | 27.60 | 6.50 |
| O₃(µg/m³) | 241.00 | 109.00 |
| CO(µg/m³) | 371.00 | 170.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Meerut averaged an AQI of 144 while Ujjain averaged 116 — a 28-point (24%) gap, with Meerut the more polluted and Ujjain the cleaner of the two. On 1490 days when both cities reported, Ujjain was cleaner on 1160 of them; the average daily gap was 88 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Meerut logged 2% Severe days and 22.299999999999997% Good-or-Satisfactory days; Ujjain was 0.1% Severe and 33.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Meerut 25 days, Ujjain 67 days.
Year-over-year progress
Meerut has improved by 116 AQI points (44.6%) from 2019 to 2024; Ujjain has improved by 71 AQI points (38%) over the same window. The worst recorded day for Meerut reached AQI 490 at Pallavpuram Phase 2 (UPPCB) on 2020-11-05; Ujjain hit AQI 500 at Mahakaleshwar Temple (MPPCB) on 2023-03-10.
Station-level disparity
Meerut spans 3 CPCB stations with a 13-point spread (min 172, max 185); Ujjain spans 1 stations with a 0-point spread (min 131, max 131).
Verdict
🏆 Ujjain has better air quality with an AQI of 54 compared to Meerut's 196. That's a significant difference of 142 points.