Metro area air quality · 2024

Deltona-Daytona Beach-Ormond Beach, FL

Median AQI 41 (Good). 81.1% of monitored days rated Good across this metro's EPA monitoring network.

41
Median AQI
81.1%
Good-air days
0
Unhealthy days
68%
Cleaner than US metros

Aggregated from EPA Air Quality System (2024), 360 monitored days. EPA AQS →

The verdict

The Deltona-Daytona Beach-Ormond Beach, FL metro runs good on the EPA scale — a median AQI of 41 with 81.1% of 360 monitored days in the Good band.

41
median AQI · Good
81.1%
days rated Good
68%
cleaner than US metros
76
worst single reading

No day crossed into the Unhealthy tier across the metro's monitors in 2024.

Insights: Deltona-Daytona Beach-Ormond Beach, FL metro. Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 41 over 360 measured days in 2024, which corresponds to a Good band and a Good metro-wide health grade. The monitored-day split lands at 292 Good days (81%), 68 Moderate (19%), and 0 Unhealthy-for-Sensitive-Groups (0%). The 90th-percentile AQI finished at 54 while the highest single-day reading hit 76 (Moderate). Metro residents averaged roughly 24.3 clean-air days per 30-day window across the reporting year.

Across the 2020–2024 trend window, good days shifted by +36 and the median AQI moved -2 points, which classifies the multi-year trajectory as improving. The metro avoided any Unhealthy-tier days entirely, an outcome that typically reflects favorable wind patterns, lower industrial density, or effective regional emission controls. Metros with comparable AQI profiles include Allentown-Bethlehem-Easton, PA-NJ (68.3% good, AQI 41); Ashtabula, OH (83.7% good, AQI 41); Bowling Green, KY (76.8% good, AQI 41).

Air Quality Summary

Median AQI

41

Good

Good Days

81.1%

292 of 360 days

Max AQI

76

Moderate

Health Grade

Good

90th pct: 54

AQI Day Breakdown (2024)

Distribution of 360 monitored days across EPA AQI categories.

Good

292

81%

Moderate

68

19%

USG

0

0%

Unhealthy

0

0%

Very Unhealthy

0

0%

Hazardous

0

0%

Health Impact Assessment

Good

The Deltona-Daytona Beach-Ormond Beach, FL metro area's air quality is rated Good based on 81.1% good air days. No unhealthy air days were recorded in 2024.

Air quality is generally acceptable. Unusually sensitive people should monitor real-time conditions at AirNow.gov during high-pollution events.

How does the Deltona-Daytona Beach-Ormond Beach, FL metro compare?

How Deltona-Daytona Beach-Ormond Beach, FL compares

Good-day share better than US avg
Deltona-Daytona Beach-Ormond Beach, FL 81.1%
Allentown-Bethlehem-Easton, PA-NJ 68.3%
US average 70.2%
Median AQI about average
Deltona-Daytona Beach-Ormond Beach, FL 41
Allentown-Bethlehem-Easton, PA-NJ 41
US average 41
Unhealthy days / yr better than US avg
Deltona-Daytona Beach-Ormond Beach, FL 0
Allentown-Bethlehem-Easton, PA-NJ 0
US average 1

5-Year Air Quality Trend

Air quality is improving in the Deltona-Daytona Beach-Ormond Beach, FL metro. Best year: 2024 (292 good days).

Year Good Moderate Unhealthy Median AQI
2020 256 110 0 43
2021 224 141 0 47
2022 242 123 0 45
2023 261 103 0 44
2024 292 68 0 41

Metros with Similar Air Quality

Metro areas across the US with a similar median AQI to Deltona-Daytona Beach-Ormond Beach, FL.

More Air Quality Data

Explore EPA air quality rankings and guides across U.S. metros and counties.

Air Quality Guides

Learn more about air quality monitoring, pollutants, and health impacts.

Frequently Asked Questions

What is the air quality in the Deltona-Daytona Beach-Ormond Beach, FL metro area?
The Deltona-Daytona Beach-Ormond Beach, FL metro area has a median Air Quality Index (AQI) of 41, rated "Good." 81.1% of monitored days (292 out of 360) had good air quality in 2024.
How many unhealthy air days does Deltona-Daytona Beach-Ormond Beach, FL have?
In 2024, the Deltona-Daytona Beach-Ormond Beach, FL metro area recorded 0 unhealthy air days (0 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 76.
Is air quality in Deltona-Daytona Beach-Ormond Beach, FL getting better or worse?
Air quality in the Deltona-Daytona Beach-Ormond Beach, FL metro is improving based on 5-year trends (2020-2024). Best year: 2024 with 292 good days. Worst year: 2021 with 224 good days.
What does AQI 41 mean for health?
An AQI of 41 is "Good", air quality is satisfactory and poses little or no health risk. This is the best category on the EPA's AQI scale.
What is the 90th percentile AQI for Deltona-Daytona Beach-Ormond Beach, FL?
The 90th percentile AQI for the Deltona-Daytona Beach-Ormond Beach, FL metro area is 54, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 76 (Moderate).
How does Deltona-Daytona Beach-Ormond Beach, FL compare to other metro areas?
The Deltona-Daytona Beach-Ormond Beach, FL metro has 81.1% good air days. Similar metros: Allentown-Bethlehem-Easton, PA-NJ (68.3% good), Ashtabula, OH (83.7% good), Bowling Green, KY (76.8% good).

Data Sources

Primary Source: U.S. Environmental Protection Agency (EPA), Air Quality System (AQS), Annual AQI by CBSA dataset, 2020–2024. The AQS collects ambient air monitoring data from state, local, and tribal monitoring agencies across the United States.

Metrics: Air Quality Index (AQI) is calculated using EPA-standard breakpoints for six criteria pollutants: PM2.5, PM10, Ozone, NO2, CO, and SO2. Median AQI, max AQI, and 90th percentile AQI are computed from daily measurements. Good days percentage reflects days with AQI 0–50.

Coverage: 501 metro areas (Core Based Statistical Areas). Only metros with active monitoring stations are included. Unmonitored areas are not represented.

Source: U.S. EPA Air Quality System (AQS) Annual AQI by CBSA summary files (metro-level) · 2020–2024