Texas · County air quality · 2025

Bowie County, Texas

Median AQI 47 (Good). 57.3% of monitored days rated Good, direct from EPA Air Quality System stations.

47
Median AQI
57.3%
Good-air days
0
Unhealthy days
11%
Cleaner than US counties

The verdict

According to EPA Air Quality System monitoring data, Bowie County's air is good on balance, among the more polluted 10% of US counties, a median AQI of 47 with 57.3% of 241 monitored days in the Good band, driven mainly by PM2.5.

47
median AQI · Good
57.3%
days rated Good
PM2.5
main pollutant
11%
cleaner than US counties

Not one day crossed into the Unhealthy tier; the worst single reading was AQI 107.

Data updated July 2026

Bowie County AQI category distribution Stacked-segment bar showing the share of monitored days that fell in each EPA AQI category, Good, Moderate, USG, Unhealthy, Very Unhealthy, Hazardous, with median AQI marker. AQI category distribution 241 monitored days G M Median AQI 47 0 50 100 150 200 300 500 Bowie County
  • Good · 138 d · 57.3%
  • Moderate · 102 d · 42.3%
  • USG · 1 d · 0.4%

How did Bowie County's air break down in 2025?

Across 241 monitored days, 138 fell in the Good band (AQI 0–50) and 0 reached Unhealthy or worse. The worst single day peaked at AQI 107 (USG).

EPA AQS →

Air quality data from EPA Air Quality System (2025). 241 days monitored. Median AQI: 47 (Good).

Insights: Bowie County, Texas. EPA monitors recorded a median Air Quality Index of 47 across 241 measured days in 2025, earning a Good classification and a Moderate health grade. Of those days, 138 (57%) fell in the Good band (AQI 0–50), 102 (42%) registered Moderate readings, and 1 (0%) reached Unhealthy for Sensitive Groups. The 90th-percentile AQI settled at 59, while the worst single-day peak hit 107 (USG). Residents averaged about 17.2 clean-air days per 30-day window during the monitoring year.

The full pollutant mix ranks as PM2.5 (241 days). Across the 2020–2025 trend window, good days shifted by -55 and the median AQI moved -1 points, placing the multi-year trajectory at improving. The worst single reading over the 2020–2025 window was AQI 107, usg but never Unhealthy. Nearby counties show comparable readings: Atascosa (58.0% good, AQI 45); Bell (61.3% good, AQI 47); Bexar (39.8% good, AQI 53); Brazoria (84.8% good, AQI 33); Brazos (63.4% good, AQI 43); Brewster (69.0% good, AQI 44).

Air Quality Summary

Median AQI

47

Good

Good Days

57.3%

138 of 241 monitored days

-17.7pp vs 75% target

Max AQI Recorded

107

USG

Health Grade

Moderate

90th-pct AQI 59

Bowie County, Good days share 57.3%
National avg

Share of monitored days at AQI 0-50 (Good band).

Bowie County, Unhealthy-or-worse share 0.0%
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 241 monitored days across EPA AQI categories.

Good

138

57%

Moderate

102

42%

USG

1

0%

Unhealthy

0

0%

Very Unhealthy

0

0%

Hazardous

0

0%

Pollutant Breakdown

Days where each pollutant was the primary driver of AQI readings in Bowie County.

Bowie County, Texas criteria pollutant distribution Stratified-band visualization showing the share of monitored days each criteria pollutant (PM2.5, PM10, O3, NO2, CO) was the primary AQI driver. PM2.5 · 100.0% 0% 25% 50% 75% 100% Bowie County, Texas · 241 monitored days Criteria pollutant column
  • PM2.5 · 241 days · 100.0%
Fine Particles (PM2.5) 241 days (100%)

How PM2.5 affects health →

Health Impact Assessment

Moderate

Bowie County's air quality is rated Moderate based on 57.3% good air days. No unhealthy air days were recorded in 2025.

Air quality was acceptable on 57.3% of monitored days in 2025, with a median AQI of 47. Unusually sensitive people can check real-time conditions at AirNow.gov during high-pollution events.

The dominant pollutant is PM2.5, driving AQI on 241 of 241 monitored days.

5-Year Air Quality Trend

Air quality is improving in Bowie County. Best year: 2020 (193 good days).

Year Good Moderate USG Unhealthy Median AQI
2020 193 164 1 0 48
2021 163 193 1 0 52
2022 144 205 0 0 52
2023 130 190 1 0 53
2024 189 171 0 0 49
2025 138 102 1 0 47

How does Bowie County compare?

How Bowie County compares

Good-day share worse than US avg
Bowie County 57.3%
Atascosa County, Texas 58.0%
US average 76.5%
Median AQI worse than US avg
Bowie County 47
Atascosa County, Texas 45
US average 38
Unhealthy days / yr about average
Bowie County 0
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 Bowie County.

What Bowie County's air means for you

The air here stays in the breathable range year-round, with PM2.5 the main thing to watch.

  • Sensitive groups (asthma, heart conditions, children, older adults) should check the AQI on high-PM2.5 days, the guide explains what a median of 47 means for exposure. Health guidance
  • See how Bowie County ranks against every monitored U.S. county on Good-day share. County rankings
  • Compare Bowie County with its Texas neighbours before drawing a conclusion about the region. All of Texas

Based on 241 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 Bowie County, Texas?
Bowie County has a median Air Quality Index (AQI) of 47, rated "Good." 57.3% of monitored days (138 out of 241) had good air quality in 2025.
What is the main pollutant in Bowie County?
The primary pollutant in Bowie County is Fine Particles (PM2.5), which was the main AQI driver on 241 days (100% of monitored days). Penetrates deep into lungs and bloodstream. Linked to heart disease and premature death.
How many unhealthy air days does Bowie County have?
In 2025, Bowie County recorded 0 unhealthy air days (0 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 107.
Is the air quality in Bowie County getting better or worse?
Air quality in Bowie County is improving based on 5-year trends (2020-2025). Best year: 2020 with 193 good days. Worst year: 2023 with 130 good days.
What does AQI 47 mean for health?
Bowie County's median AQI of 47 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 Bowie County compare to other counties in Texas?
Bowie County has 57.3% good air days. Nearby counties in Texas: Atascosa (58.0% good), Bell (61.3% good), Bexar (39.8% good), Brazoria (84.8% good), Brazos (63.4% good), Brewster (69.0% good).
What is the 90th percentile AQI in Bowie County?
The 90th percentile AQI for Bowie County is 59, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 107 (USG).

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.