Air quality reference

Bayamon County, Puerto Rico

US | 17 | Good | 2026-03-31T00:00:00+00:00

1,048National Rank
1,261National Count
17.0AQI
17.0National Percentile
1,042Category Observations
1Country Count
5Category Peers Count

Key facts

Location
Bayamon County, Puerto Rico
Air quality index
17
Category
Good
Defining parameter
PM2.5
Sites reporting
1
Measured at
2026-03-31T00:00:00+00:00
Measurement context
Daily AQI summary from U.S. EPA AirData; values are not direct pollutant concentrations

Historical air-quality context

Published EPA annual CBSA indicators

Annual AQI summaries are shown independently from pollutant concentrations. Current-year values are provisional because reporting is incomplete and can be revised.

Annual indicator

Days with published AQI

80.00 days2026

EPA annual county summary field: Days with AQI. Current-year values are provisional. Values retain the source period and unit.

View source data
PerioddaysSource flagConfidentiality
202680.00 daysprovisional-current-year—

Annual indicator

Good AQI days

78.00 days2026

EPA annual county summary field: Good Days. Current-year values are provisional. Values retain the source period and unit.

View source data
PerioddaysSource flagConfidentiality
202678.00 daysprovisional-current-year—

Annual indicator

Hazardous AQI days

0.00 days2026

EPA annual county summary field: Hazardous Days. Current-year values are provisional. Values retain the source period and unit.

View source data
PerioddaysSource flagConfidentiality
20260.00 daysprovisional-current-year—

Annual indicator

Maximum daily AQI

102.00 AQI index2026

EPA annual county summary field: Max AQI. Current-year values are provisional. Values retain the source period and unit.

View source data
PeriodAQI indexSource flagConfidentiality
2026102.00 AQI indexprovisional-current-year—

Annual indicator

Median daily AQI

24.00 AQI index2026

EPA annual county summary field: Median AQI. Current-year values are provisional. Values retain the source period and unit.

View source data
PeriodAQI indexSource flagConfidentiality
202624.00 AQI indexprovisional-current-year—

Annual indicator

Moderate AQI days

1.00 days2026

EPA annual county summary field: Moderate Days. Current-year values are provisional. Values retain the source period and unit.

View source data
PerioddaysSource flagConfidentiality
20261.00 daysprovisional-current-year—

Annual indicator

90th percentile daily AQI

32.00 AQI index2026

EPA annual county summary field: 90th Percentile AQI. Current-year values are provisional. Values retain the source period and unit.

View source data
PeriodAQI indexSource flagConfidentiality
202632.00 AQI indexprovisional-current-year—

Annual indicator

Unhealthy AQI days

0.00 days2026

EPA annual county summary field: Unhealthy Days. Current-year values are provisional. Values retain the source period and unit.

View source data
PerioddaysSource flagConfidentiality
20260.00 daysprovisional-current-year—

Annual indicator

Unhealthy for sensitive groups days

1.00 days2026

EPA annual county summary field: Unhealthy for Sensitive Groups Days. Current-year values are provisional. Values retain the source period and unit.

View source data
PerioddaysSource flagConfidentiality
20261.00 daysprovisional-current-year—

Annual indicator

Very unhealthy AQI days

0.00 days2026

EPA annual county summary field: Very Unhealthy Days. Current-year values are provisional. Values retain the source period and unit.

View source data
PerioddaysSource flagConfidentiality
20260.00 daysprovisional-current-year—

Field-level provenance

Sources for this profile

Dates and licenses apply to the specific facts and series supplied by each source.

Reference data can change. Verify consequential decisions against the original source.