Metro area air quality · 2025

Lake City, FL

Median AQI 48 (Good). 57.3% of monitored days rated Good across this metro's EPA monitoring network.

48
Median AQI
57.3%
Good-air days
0
Unhealthy days
21%
Cleaner than US metros

Lake City, FL posted a 2025 median AQI of 48 (Good) with 57.3% Good days

According to the U.S. EPA Air Quality System, the Lake City, FL CBSA recorded a median AQI of 48 across 365 monitored days in 2025, with 57.3% rated Good and 0 unhealthy or worse. This is an annual metro comparison, not a live advisory.

Data source EPA Air Quality System (AQS)

Cleaner than US metros
The Lake City, FL CBSA's 57.3% Good-day share places it cleaner than 21% of US metros in 2025.
Closest median-AQI peer
Baltimore-Columbia-Towson, MD (58.1% Good, median AQI 48) is the closest nationwide median-AQI peer to Lake City, FL.
2020–2025 Good-day shift
Lake City, FL's Good-day share moved -6.3 points from 2020 to 2025 (median AQI +4).
Median AQI
Median AQI: 48

Aggregated from EPA Air Quality System (2025), 365 monitored days. EPA AQS →

The verdict

Lake City, FL lands in the lower Good-day tercile (57.3% Good), a thinner clean-air share than most CBSA peers here. On the EPA scale the metro runs good, among the more polluted US metros, with a median AQI of 48 and 57.3% of 365 monitored days in the Good band.

48
median AQI · Good
57.3%
days rated Good
21%
cleaner than US metros
80
worst single reading

No day crossed into the Unhealthy tier across the metro's monitors in 2025.

Annual release change

What changed in the 2025 EPA annual release

2024 → 2025
  • Lake City, FL metro's Good-day share fell from 63.0% to 57.3% between the 2024 and 2025 EPA annual releases, a change of -5.8 percentage points.
  • Lake City, FL metro's median AQI rose from 44 to 48 between the 2024 and 2025 EPA annual releases, a change of +4 points.
  • Lake City, FL metro's peak single-day AQI fell from 93 to 80 between the 2024 and 2025 EPA annual releases, a change of -13 points.

Compared against 349 monitored days in 2024 and 365 in 2025. These are arithmetic differences between two stored EPA annual summaries, not a cause claim or a live advisory.

National release changes Two-year CSV

Lake City, FL lands in the lower Good-day tercile (57.3% Good), a thinner clean-air share than most CBSA peers here. Signature read: 57.3% Good-day share (low tercile vs CBSA corpus). Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 48 over 365 measured days in 2025 (Good / Moderate). The monitored-day split lands at 209 Good (57%), 156 Moderate (43%), and 0 Unhealthy-for-Sensitive-Groups (0%). The 90th-percentile AQI finished at 59; the highest single-day reading hit 80 (Moderate).

Across 2020–2025, Good-day share shifted -6.3 points and median AQI moved +4 (worsening). No Unhealthy-tier days appear in this annual dataset. Metros with comparable AQI profiles include Baltimore-Columbia-Towson, MD (58.1% good, AQI 48); Boulder, CO (58.4% good, AQI 48); Columbus, GA-AL (53.4% good, AQI 48).

Health effects of air pollution →

Air Quality Summary

Median AQI

48

Good

Good Days

57.3%

209 of 365 days

Max AQI

80

Moderate

Health Grade

Moderate

90th pct: 59

AQI Day Breakdown (2025)

Distribution of 365 monitored days across EPA AQI categories.

Good

209

57%

Moderate

156

43%

USG

0

0%

Unhealthy

0

0%

Very Unhealthy

0

0%

Hazardous

0

0%

Health Impact Assessment

Moderate

The Lake City, FL metro area's air quality is rated Moderate based on 57.3% good air days. No unhealthy air days were recorded in 2025.

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

How does the Lake City, FL metro compare?

How Lake City, FL compares

Good-day share worse than typical
Lake City, FL 57.3%
Baltimore-Columbia-Towson, MD 58.1%
Typical US metro 70.6%
Median AQI worse than typical
Lake City, FL 48
Baltimore-Columbia-Towson, MD 48
Typical US metro 41
Unhealthy days / yr better than typical
Lake City, FL 0
Baltimore-Columbia-Towson, MD 0
Typical US metro 1

5-Year Air Quality Trend

Air quality is worsening in the Lake City, FL metro. Highest Good-day share: 2021 (64.8%, 236 of 364 monitored days).

Year Good Moderate Unhealthy Median AQI
2020 197 111 2 44
2021 236 128 0 44
2022 234 129 0 45
2023 212 151 0 47
2024 220 129 0 44
2025 209 156 0 48

Metros with a similar median AQI

CBSA peers nationwide whose annual median AQI sits near Lake City, FL (48).

Metros with similar unhealthy-day exposure

A second relationship type: metros whose unhealthy-or-worse day count is closest to Lake City, FL's 0 (independent of median AQI).

Frequently Asked Questions

How many unhealthy air days does Lake City, FL have?
In 2025, the Lake City, FL metro area recorded 0 unhealthy air days (0 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 80.
What is the air quality in the Lake City, FL metro area?
The Lake City, FL metro area has a median Air Quality Index (AQI) of 48, rated "Good." 57.3% of monitored days (209 out of 365) had good air quality in 2025.
Is air quality in Lake City, FL getting better or worse?
Air quality in the Lake City, FL metro is worsening across floor-qualifying years (2020-2025); years with fewer than 100 monitored days are excluded from that direction. Highest qualifying Good-day share: 2021 at 64.8% (236 of 364 days). Lowest qualifying Good-day share: 2025 at 57.3% (209 of 365 days).
What does AQI 48 mean for health?
An AQI of 48 is "Good", air quality is satisfactory and poses little or no health risk. This is the best category on the EPA's AQI scale.
How does Lake City, FL compare to other metro areas?
The Lake City, FL metro has 57.3% good air days. Similar metros: Baltimore-Columbia-Towson, MD (58.1% good), Boulder, CO (58.4% good), Columbus, GA-AL (53.4% good).
What is the 90th percentile AQI for Lake City, FL?
The 90th percentile AQI for the Lake City, FL metro area is 59, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 80 (Moderate).

Data Sources

Primary Source: U.S. Environmental Protection Agency (EPA), Air Quality System (AQS), Annual AQI by CBSA dataset for Lake City, FL, 2025. See our methodology for how AQI, median, and coverage figures are computed.

Source: U.S. EPA Air Quality System (AQS) Annual AQI by CBSA summary, Lake City, FL · 2020–2025