Texas · County air quality · 2025

Bowie County, Texas

Median AQI 48 (Good). 55.0% of monitored days rated Good, direct from EPA Air Quality System stations.

48
Median AQI
55.0%
Good-air days
0
Unhealthy days
10%
Cleaner than US counties

Bowie County's 2025 annual median AQI is 48 (Good), with 55.0% Good days

According to the U.S. EPA Air Quality System, Bowie County, Texas posted a 2025 median AQI of 48 (Good) across 342 monitored days, with 55.0% rated Good and 0 unhealthy or worse. This is an annual comparison, not today's advisory.

Data source EPA Air Quality System (AQS)

Cleaner than US
Bowie County's 55.0% Good-day share places it cleaner than 10% of US counties in 2025.
Closest median-AQI peer
Adair County (55.8% Good, median AQI 48) is the closest nationwide median-AQI peer to Bowie County.
2020–2025 trend
Bowie County's floor-qualifying Good-day share is stable from 2020 to 2025 (53.9% → 55.0%).
Median AQI
Median AQI: 48

According to the 2025 EPA AQS county release on PlainAirData, Bowie County, Texas ranks #843 of 951 by median AQI (48) and #860 by good-day share (55.0%). Ponce County, Puerto Rico is #1 of 951 by median AQI (3, 91.4% Good days) at good-day-share #159 ≠ largest of 7 at 100.0% Good days #1 by good-day share (100.0%, median AQI 9) at median-AQI #7.

Annual release change

What changed in the 2025 EPA annual release

2024 → 2025
  • Bowie County's Good-day share rose from 52.5% to 55.0% between the 2024 and 2025 EPA annual releases, a change of +2.5 percentage points.
  • Bowie County's peak single-day AQI rose from 97 to 107 between the 2024 and 2025 EPA annual releases, a change of +10 points.

Compared against 360 monitored days in 2024 and 342 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

Data updated August 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 342 monitored days G M Median AQI 48 0 50 100 150 200 300 500 Bowie County
  • Good · 188 d · 55.0%
  • Moderate · 153 d · 44.7%
  • USG · 1 d · 0.3%

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

Across 342 monitored days, 188 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 →
Bowie County, Good days share 55.0%
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).

Where Bowie County sits nationally

COUNT-derived placement among 951 US counties with at least 100 monitored days in 2025. Bowie County's Good-day share is 55.0% - cleaner than 10% of that comparison set.

Bowie County Good-day share vs. every US county

Share of monitored days in the Good band (AQI 0–50) - EPA AQS annual release

55.0% 10th percentile higher than 10% of 951 US counties

0.0%–5.0%: 0 US counties (0%). Below this entry. 5.0%–10.0%: 1 US counties (0%). Below this entry. 10.0%–15.0%: 4 US counties (0%). Below this entry. 15.0%–20.0%: 4 US counties (0%). Below this entry. 20.0%–25.0%: 1 US counties (0%). Below this entry. 25.0%–30.0%: 5 US counties (1%). Below this entry. 30.0%–35.0%: 9 US counties (1%). Below this entry. 35.0%–40.0%: 4 US counties (0%). Below this entry. 40.0%–45.0%: 16 US counties (2%). Below this entry. 45.0%–50.0%: 16 US counties (2%). Below this entry. 50.0%–55.0%: 32 US counties (3%). This entry sits in this band. 55.0%–60.0%: 50 US counties (5%). Above this entry. 60.0%–65.0%: 77 US counties (8%). Above this entry. 65.0%–70.0%: 93 US counties (10%). Above this entry. 70.0%–75.0%: 109 US counties (11%). Above this entry. 75.0%–80.0%: 114 US counties (12%). Above this entry. 80.0%–85.0%: 123 US counties (13%). Above this entry. 85.0%–90.0%: 99 US counties (10%). Above this entry. 90.0%–95.0%: 117 US counties (12%). Above this entry. 95.0%–100.0%: 70 US counties (7%). Above this entry. 100.0%–105.0%: 7 US counties (1%). Above this entry. This county 0.0% 100% every floor-qualified US county, bucketed by value

Each bar is a band; taller bars hold more US counties. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Environmental Protection Agency, Air Quality System (AQS) · 2025

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 · 342 monitored days Criteria pollutant column
  • PM2.5 · 342 days · 100.0%

2024 daily-monitor rhythm in Bowie County

Month-by-month median AQI from EPA day-level county monitors (360 reported days in 2024). Jul posted the highest typical readings (median AQI 58, peak 86); Dec was cleanest at median 29. Summer months (Jun–Aug) averaged median AQI 56 vs 36 in Dec–Feb.

0 10 20 30 40 50 60 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 34 46 49 38 56 55 58 56 37 52 42 29
Bowie County median daily AQI by calendar month (2024, EPA daily county file)

Five-year seasonal record

EPA day-level county files · 2020–2024

1,745 daily readings show a recurring local pattern: Jun has the highest matched-month median AQI (56), while Jan is lowest (41). Each cell is that month’s median daily AQI, not a current-air forecast.

JanFebMarAprMayJunJulAugSepOctNovDec
2020 383751473858545148495746
2021 404651473753555556465454
2022 475148535657544854555441
2023 464855485158585756524443
2024 344649385655585637524229

Lower AQI is better. The colors summarize EPA AQI bands; gaps mean the county had no day-level record for that month.

Health Impact Assessment

Moderate

Bowie County's air quality is rated Moderate based on 55.0% good air days. No unhealthy air days were recorded in 2025.

Air quality was acceptable on 55.0% of monitored days in 2025, with a median AQI of 48. Unusually sensitive people can check real-time conditions at AirNow.gov during high-pollution events.

The dominant pollutant is PM2.5, driving AQI on 342 of 342 monitored days.

5-Year Air Quality Trend

Air quality is stable in Bowie County. Highest Good-day share: 2025 (55.0%, 188 of 342 monitored 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 188 153 1 0 48

How does Bowie County compare?

How Bowie County compares

Good-day share worse than typical
Bowie County 55.0%
Adair County, Oklahoma 55.8%
Typical US county 76.0%
Median AQI worse than typical
Bowie County 48
Adair County, Oklahoma 48
Typical US county 39
Unhealthy days / yr better than typical
Bowie County 0
Adair County, Oklahoma 2
Typical US county 1

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. Spotted a figure that looks wrong? Report a correction.

Source: U.S. EPA Air Quality System (AQS) Annual AQI by county summary files for Bowie County, Texas · 2020–2025

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Download this county's annual AQI row as CSV , with the same EPA fields and denominator shown on this page.

Every figure on PlainAirData 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.