Dhahran vs Jeddah AQI Comparison

Side-by-side OpenAQ-derived air quality comparison for Dhahran and Jeddah. Values use mapped daily PM2.5 and PM10 observations normalized to US EPA AQI.

Lower average AQI: Jeddah (43-pt gap)PM2.5: Dhahran 42.6 ug/m3 · Jeddah 20.8 ug/m3

Source: OpenAQ local exports mapped to AQI Now cities; city summaries cover 2024-10-26–2024-12-31 and 2024-01-01–2024-12-31.

Compare two cities

City A

City B

Dhahran vs Jeddah

Dhahran

Ash Sharqīyah, Saudi Arabia

116

PM2.5: 42.6 ug/m3
PM10: 48.5 ug/m3
Worst month: December
Trend: n/a

EPA category: Unhealthy for Sensitive Groups

Jeddah

Makkah al Mukarramah, Saudi Arabia

PM2.5: 20.8 ug/m3
PM10: n/a ug/m3
Worst month: April
Trend: n/a

EPA category: Moderate

Lower average AQI in this selected period: Jeddah. Values are historical OpenAQ-derived city summaries, not live readings.

Yearly EPA AQI trend

Seasonal EPA AQI heatmap

JanFebMarAprMayJunJulAugSepOctNovDec

Dhahran

111

126

Jeddah

What this comparison measures

Average EPA AQI — city-level daily AQI values averaged across the OpenAQ coverage window.
PM2.5 and PM10 — mapped monitor concentrations aggregated to daily city averages.
Seasonality — worst and cleanest months from the monthly city rollups.
Trend — difference between the earliest and latest yearly AQI average in this build.