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Red is bad, green is good, blue is not statistically different/neutral.

Compared to Distribution

an indicator guage with the arrow in the green the value is in the best half of communities.

an indicator guage with the arrow in the yellow the value is in the 2nd worst quarter of communities.

an indicator guage with the arrow in the red the value is in the worst quarter of communities.

Compared to Target

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Compared to a Single Value

green diamond with downward arrow inside it lower than the comparison value; red diamond with downward arrow inside it higher than the comparison value; blue diamond with downward arrow inside it not statistically different from comparison value.

Trend

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Compared to Prior Value

green triangle with upward trending arrow inside it higher than the previous measurement period; green triangle with downward trending arrow inside it lower than the previous measurement period; blue equals sign no statistically different change  from previous measurement period.

green chart bars Significantly better than the overall value

red chart bars Significantly worse than the overall value

light blue chart bars No significant difference with the overall value

gray chart bars No data on significance available

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Percentage of days Particulate Matter was the Primary Pollutant

State: California
Measurement Period: 2021
Percentage of days Small Particulate Matter was the Primary Pollutant is what percent of the days measured in a year had the gas Small Particulate Matter as the primary pollutant for that day.
Small particulates are particulates less than 10 micrometers in diameter and are harmful because they get into your system and cause harm and are somewhat hard to remove. 
This indicator provides an idea of what pollutant is causing the most harm and would result in the most benefit to reduce.

State: California

0.1%
Percent of Days
Source: US Environmental Protection Agency (EPA), Air Quality Index (AQI) Report
Measurement period: 2021
Maintained by: County of Monterey
Last update: April 2022
Compared to See the Legend
Compared to the prior value, California (0.1%) is greater and worse than the previously measured value (0.0%).
Prior Value
(0.0%)
Over time, the California value is increasing, not significantly.
Trend

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Filed under: Environmental Health / Air, Environmental Health / Toxins & Contaminants, Environmental Health / Wildlife, Physical Determinants of Health

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