Orlando Air Quality in 2019

In 2019, Orlando's air quality (Orlando-Kissimmee-Sanford, FL area) had a median daily AQI of 42 (Good) across 365 monitored days. 6 days (1.6%) reached Unhealthy for Sensitive Groups or worse, 265 were Good, and the year's peak AQI was 122 (Unhealthy for Sensitive Groups). Ground-level ozone set the daily AQI on 188 of those days. The cleanest month of 2019 was August (median AQI 34, 0 days above 100) and the worst was April (median 49, 4 days above 100, peak 122).

42
Median AQI
Good
6
Days above AQI 100
1.6% of 365 days
61
90th percentile AQI
worst 1 day in 10
122
Peak AQI
Unhealthy for Sensitive Groups
O3
Main pollutant
188 of 365 days
265
Good days
72.6% of days
  • Good: 72.6%
  • Moderate: 25.8%
  • Unhealthy for Sensitive Groups: 1.6%
  • Unhealthy or worse: 0.0%

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QUICK ANSWER

How was Orlando's air quality in 2019?

Good on a typical day: median AQI 42, with 6 days above AQI 100 out of 365 monitored — the 7th cleanest of 7 years on record for the area.

  • Peak AQI in 2019: 122 (Unhealthy for Sensitive Groups).
  • Ground-level ozone was the main pollutant on 188 days.
  • Cleanest month: August; worst: April.

Frequently asked questions

What was the average AQI in Orlando in 2019?

EPA's Air Quality System puts Orlando's (Orlando-Kissimmee-Sanford, FL) median daily AQI for 2019 at 42, which is Good. 6 days were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 122.

Which month had the worst air quality in Orlando in 2019?

The cleanest month of 2019 was August (median AQI 34, 0 days above 100) and the worst was April (median 49, 4 days above 100, peak 122).

Was 2019 a good or bad year for Orlando's air?

Among the 7 years EPA has published for the area (2019–2025), 2019 ranks 7th cleanest by days above AQI 100 — the worst year on record here. 2019's median of 42 is in line with the area's typical annual median of 44.

Orlando month by month in 2019

Orlando air quality month by month, 2019 (Orlando-Kissimmee-Sanford, FL, EPA AQS daily AQI)

MonthDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
January31401110O3
February2841053O3
March31511105O3
Aprilworst30494122O3
May3148087O3
June3042072PM2.5
July3141075PM2.5
Augustcleanest3134058PM2.5
September3041093O3
October3138058PM2.5
November3042062PM2.5
December3140060PM2.5

How 2019 compares

Among the 7 years EPA has published for the area (2019–2025), 2019 ranks 7th cleanest by days above AQI 100 — the worst year on record here.

2019's median of 42 is in line with the area's typical annual median of 44.

Activity-specific thresholds: running, cycling, kids' sports.

Right now in Orlando

The latest EPA AirNow observation puts Orlando's AQI at 19 (PM2.5). The figures above are multi-year annual statistics, not today's reading.

View current Orlando air quality →

Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Orlando-Kissimmee-Sanford, FL), 2019–2025. Daily AQI per CBSA is the highest AQI reported by any monitor in the area that day; the defining parameter is the pollutant that set it. Month and season statistics pool every such day in the period across all years listed. Retrieved 2026-09-09.