Gladstone Seasonal Pollution
Gladstone usually records its highest OpenAQ-derived EPA AQI in October and its cleanest month in April. The page uses OpenAQ-derived daily history for 8 mapped monitoring locations in Queensland, Australia.
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Average EPA AQI
30
Rank 23 of 59 cities by average AQI
PM2.5
5.5
ug/m3 annualized city average
Seasonality
October
Cleanest: April
Health indicator
0.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Gladstone
30
30
31
26
27
27
29
34
37
37
29
26
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Gladstone, the current global analytics build covers 363 daily rows from 2023-12-31 to 2024-12-31. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.