Median AQI
25
Good
Texas · County air quality · 2025
Lubbock County, Texas
Median AQI 25 (Good). 89.9% of monitored days rated Good, direct from EPA Air Quality System stations.
- 25
- Median AQI
- 89.9%
- Good-air days
- 1
- Unhealthy days
- 76%
- Cleaner than US counties
The verdict
According to EPA Air Quality System monitoring data, Lubbock County's air is good on balance, cleaner than most US counties, a median AQI of 25 with 89.9% of 237 monitored days in the Good band, driven mainly by PM2.5.
- 25
- median AQI · Good
- 89.9%
- days rated Good
- PM2.5
- main pollutant
- 76%
- cleaner than US counties
1 day reached Unhealthy or worse; the worst single reading hit AQI 167.
Data updated July 2026
- Good · 213 d · 89.9%
- Moderate · 22 d · 9.3%
- USG · 1 d · 0.4%
- Unhealthy · 1 d · 0.4%
How did Lubbock County's air break down in 2025?
Across 237 monitored days, 213 fell in the Good band (AQI 0–50) and 1 reached Unhealthy or worse. The worst single day peaked at AQI 167 (Unhealthy).
EPA AQS →Air quality data from EPA Air Quality System (2025). 237 days monitored. Median AQI: 25 (Good).
Insights: Lubbock County, Texas. EPA monitors recorded a median Air Quality Index of 25 across 237 measured days in 2025, earning a Good classification and a Good health grade. Of those days, 213 (90%) fell in the Good band (AQI 0–50), 22 (9%) registered Moderate readings, and 1 (0%) reached Unhealthy for Sensitive Groups. The 90th-percentile AQI settled at 52, while the worst single-day peak hit 167 (Unhealthy). Residents averaged about 27.0 clean-air days per 30-day window during the monitoring year.
The full pollutant mix ranks as PM2.5 (237 days). Across the 2020–2025 trend window, good days shifted by -98 and the median AQI moved -1 points, placing the multi-year trajectory at stable. Residents and visitors experienced 1 unhealthy-or-worse days combined, periods when the EPA recommends sensitive groups limit prolonged outdoor exertion. Nearby counties show comparable readings: Atascosa (58.0% good, AQI 45); Bell (61.3% good, AQI 47); Bexar (39.8% good, AQI 53); Bowie (57.3% good, AQI 47); Brazoria (84.8% good, AQI 33); Brazos (63.4% good, AQI 43).
Air Quality Summary
Good Days
89.9%
213 of 237 monitored days
14.9pp vs 75% target
Max AQI Recorded
167
Unhealthy
Health Grade
Good
90th-pct AQI 52
Lubbock County, Good days share 89.9%
National avg
Share of monitored days at AQI 0-50 (Good band).
Lubbock County, Unhealthy-or-worse share 0.4%
National avg
Share of monitored days above AQI 150 (Unhealthy or worse). Bar maxes at 10% (worst-county ceiling).
AQI Day Breakdown (2025)
Distribution of 237 monitored days across EPA AQI categories.
Good
213
90%
Moderate
22
9%
USG
1
0%
Unhealthy
1
0%
Very Unhealthy
0
0%
Hazardous
0
0%
Pollutant Breakdown
Days where each pollutant was the primary driver of AQI readings in Lubbock County.
- PM2.5 · 237 days · 100.0%
Health Impact Assessment
Good
Lubbock County's air quality is rated Good based on 89.9% good air days. There were 1 unhealthy days in 2025 when outdoor activity should be limited.
Air quality is acceptable most days, but 1 days reached "Unhealthy for Sensitive Groups" (AQI 101-150) and peak AQI reached 167. Sensitive groups should monitor real-time conditions at AirNow.gov.
The dominant pollutant is PM2.5, driving AQI on 237 of 237 monitored days.
5-Year Air Quality Trend
Air quality is stable in Lubbock County. Best year: 2024 (330 good days).
| Year | Good | Moderate | USG | Unhealthy | Median AQI | Max AQI |
|---|---|---|---|---|---|---|
| 2020 | 311 | 41 | 0 | 0 | 26 | 83 |
| 2021 | 278 | 69 | 0 | 0 | 31 | 85 |
| 2022 | 300 | 45 | 2 | 0 | 26 | 138 |
| 2023 | 323 | 40 | 0 | 1 | 25 | 161 |
| 2024 | 330 | 28 | 0 | 0 | 23 | 91 |
| 2025 | 213 | 22 | 1 | 1 | 25 | 167 |
How does Lubbock County compare?
How Lubbock County compares
Good-day share better than US avg
Lubbock County 89.9%
Atascosa County, Texas 58.0%
US average 76.5%
Median AQI better than US avg
Lubbock County 25
Atascosa County, Texas 45
US average 38
Unhealthy days / yr worse than US avg
Lubbock County 1
Atascosa County, Texas 0
US average 0
Other Counties in Texas
Air quality comparison for nearby counties in Texas.
Counties with Similar Air Quality
Counties across the US with a similar median AQI to Lubbock County.
Baker County, Oregon
AQI 25 · 89.0% good
Brown County, South Dakota
AQI 25 · 87.1% good
Columbia County, Oregon
AQI 25 · 96.7% good
Fremont County, Colorado
AQI 25 · 91.1% good
Sherman County, Kansas
AQI 25 · 86.6% good
Walla Walla County, Washington
AQI 25 · 86.0% good
What Lubbock County's air means for you
On most days the air here is fine, but PM2.5 drives 1 unhealthy-or-worse day a year that sensitive groups should plan around.
- Sensitive groups (asthma, heart conditions, children, older adults) should check the AQI on high-PM2.5 days, the guide explains what a median of 25 means for exposure. Health guidance
- See how Lubbock County ranks against every monitored U.S. county on Good-day share. County rankings
- Compare Lubbock County with its Texas neighbours before drawing a conclusion about the region. All of Texas
Based on 237 EPA-monitored days in 2025; figures reflect only days the monitors reported. Source: EPA Air Quality System annual summaries.
More Air Quality Data
Air Quality Guides
Frequently Asked Questions
What is the air quality in Lubbock County, Texas? ▼
Lubbock County has a median Air Quality Index (AQI) of 25, rated "Good." 89.9% of monitored days (213 out of 237) had good air quality in 2025.
What is the main pollutant in Lubbock County? ▼
The primary pollutant in Lubbock County is Fine Particles (PM2.5), which was the main AQI driver on 237 days (100% of monitored days). Penetrates deep into lungs and bloodstream. Linked to heart disease and premature death.
How many unhealthy air days does Lubbock County have? ▼
In 2025, Lubbock County recorded 1 unhealthy air days (1 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 167.
Is the air quality in Lubbock County getting better or worse? ▼
Air quality in Lubbock County is stable based on 5-year trends (2020-2025). Best year: 2024 with 330 good days. Worst year: 2025 with 213 good days.
What does AQI 25 mean for health? ▼
Lubbock County's median AQI of 25 falls in the "Good" category. See the <a href="/guides/understanding-aqi" class="underline">AQI category guide</a> for what each range means for health.
How does Lubbock County compare to other counties in Texas? ▼
Lubbock County has 89.9% good air days. Nearby counties in Texas: Atascosa (58.0% good), Bell (61.3% good), Bexar (39.8% good), Bowie (57.3% good), Brazoria (84.8% good), Brazos (63.4% good).
What is the 90th percentile AQI in Lubbock County? ▼
The 90th percentile AQI for Lubbock County is 52, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 167 (Unhealthy).
Data Sources
Primary Source: U.S. Environmental Protection Agency (EPA), Air Quality System (AQS), Annual AQI by County dataset, 2020–2025 (aqs.epa.gov). For current conditions (not shown here — this page is historical annual data), see EPA AirNow (airnow.gov). See our methodology for how AQI, median, and coverage figures are computed.
Informational only, not professional advice. Data from EPA AQS. See our disclaimer.
Every figure on PlainAir is rendered directly from EPA AQS air-quality monitoring data, no number is typed in by an editor. This page draws directly on EPA AQS air-quality monitoring data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.