Saltash Seasonal Pollution
Saltash usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in July. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Cornwall, United Kingdom.
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Average EPA AQI
22
Rank 145 of 171 cities by average AQI
PM2.5
4.3
ug/m3 annualized city average
Seasonality
January
Cleanest: July
Health indicator
0.2
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Saltash
39
19
20
17
25
24
13
20
23
20
-
-
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Saltash, the current global analytics build covers 276 daily rows from 2024-01-01 to 2024-10-26. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.