Metro area air quality · 2025
Corpus Christi, TX
Median AQI 53 (Moderate). 40.5% of monitored days rated Good across this metro's EPA monitoring network.
- 53
- Median AQI
- 40.5%
- Good-air days
- 0
- Unhealthy days
- 6%
- Cleaner than US metros
Corpus Christi, TX posted a 2025 median AQI of 53 (Moderate) with 40.5% Good days
According to the U.S. EPA Air Quality System, the Corpus Christi, TX CBSA recorded a median AQI of 53 across 365 monitored days in 2025, with 40.5% 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 Corpus Christi, TX CBSA's 40.5% Good-day share places it cleaner than 6% of US metros in 2025.
- Closest median-AQI peer
- Atlanta-Sandy Springs-Roswell, GA (41.1% Good, median AQI 53) is the closest nationwide median-AQI peer to Corpus Christi, TX.
- 2020–2025 Good-day shift
- Corpus Christi, TX's Good-day share moved -20.6 points from 2020 to 2025 (median AQI +7).
- Median AQI
- Median AQI: 53
Aggregated from EPA Air Quality System (2025), 365 monitored days. EPA AQS →
The verdict
The Corpus Christi, TX metro runs moderate on the EPA scale, among the more polluted US metros, a median AQI of 53 with 40.5% of 365 monitored days in the Good band.
- 53
- median AQI · Moderate
- 40.5%
- days rated Good
- 6%
- cleaner than US metros
- 137
- 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
- Corpus Christi, TX metro's Good-day share fell from 50.7% to 41.5% between the 2024 and 2025 EPA annual releases, a change of -9.3 percentage points.
- Corpus Christi, TX metro's peak single-day AQI fell from 153 to 137 between the 2024 and 2025 EPA annual releases, a change of -16 points.
- Corpus Christi, TX metro's Unhealthy-category days fell from 1 to 0 between the 2024 and 2025 EPA annual releases, a change of -1 days.
Insights: Corpus Christi, TX metro. Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 53 over 365 measured days in 2025, which corresponds to a Moderate band and a Poor metro-wide health grade. The monitored-day split lands at 148 Good days (41%), 209 Moderate (57%), and 8 Unhealthy-for-Sensitive-Groups (2%). The 90th-percentile AQI finished at 76 while the highest single-day reading hit 137 (USG). Metro residents averaged roughly 12.2 clean-air days per 30-day window across the reporting year.
Across the 2020–2025 trend window, the share of monitored days rated Good shifted by -20.6 points and the median AQI moved +7 points, which classifies the multi-year trajectory as worsening. The metro recorded no Unhealthy-tier days in this annual dataset. Metros with comparable AQI profiles include Atlanta-Sandy Springs-Roswell, GA (41.1% good, AQI 53); Austin-Round Rock, TX (43.6% good, AQI 53); New York-Newark-Jersey City, NY-NJ-PA (42.2% good, AQI 53).
Air Quality Summary
Median AQI
53
Moderate
Good Days
40.5%
148 of 365 days
Max AQI
137
USG
Health Grade
Poor
90th pct: 76
AQI Day Breakdown (2025)
Distribution of 365 monitored days across EPA AQI categories.
Good
148
41%
Moderate
209
57%
USG
8
2%
Unhealthy
0
0%
Very Unhealthy
0
0%
Hazardous
0
0%
Health Impact Assessment
The Corpus Christi, TX metro area's air quality is rated Poor based on 40.5% 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 Corpus Christi, TX metro compare?
How Corpus Christi, TX compares
5-Year Air Quality Trend
Air quality is worsening in the Corpus Christi, TX metro. Highest Good-day share: 2020 (62.0%, 227 of 366 monitored days).
| Year | Good | Moderate | Unhealthy | Median AQI | Max AQI |
|---|---|---|---|---|---|
| 2020 | 227 | 137 | 2 | 46 | 162 |
| 2021 | 200 | 162 | 0 | 47 | 113 |
| 2022 | 208 | 155 | 0 | 47 | 106 |
| 2023 | 196 | 167 | 0 | 48 | 101 |
| 2024 | 178 | 172 | 1 | 51 | 153 |
| 2025 | 148 | 209 | 0 | 53 | 137 |
Metros with a similar median AQI
CBSA peers nationwide whose annual median AQI sits near Corpus Christi, TX (53).
Atlanta-Sandy Springs-Roswell, GA
Median AQI 53 · 41.1% Good-day share
Austin-Round Rock, TX
Median AQI 53 · 43.6% Good-day share
New York-Newark-Jersey City, NY-NJ-PA
Median AQI 53 · 42.2% Good-day share
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD
Median AQI 53 · 41.4% Good-day share
Pittsburgh, PA
Median AQI 53 · 43.0% Good-day share
Augusta-Richmond County, GA-SC
Median AQI 52 · 46.0% Good-day share
Metros with similar unhealthy-day exposure
A second relationship type: metros whose unhealthy-or-worse day count is closest to Corpus Christi, TX's 0 (independent of median AQI).
Aberdeen, SD
0 unhealthy-or-worse days · median AQI 27
Aberdeen, WA
0 unhealthy-or-worse days · median AQI 22
Adrian, MI
0 unhealthy-or-worse days · median AQI 41
Akron, OH
0 unhealthy-or-worse days · median AQI 45
Albany, GA
0 unhealthy-or-worse days · median AQI 46
Albany, OR
0 unhealthy-or-worse days · median AQI 27
More Air Quality Data
Explore EPA air quality rankings and guides across U.S. metros and counties.
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Worst Air Quality
Counties and metros with the most unhealthy air days.
All Metro Areas
Annual AQI by CBSA for every monitored U.S. metro area.
Best and Worst City Air
What drives urban air quality and how metro areas compare.
Air Quality Guides
Frequently Asked Questions
What is the air quality in the Corpus Christi, TX metro area? ▼
How many unhealthy air days does Corpus Christi, TX have? ▼
Is air quality in Corpus Christi, TX getting better or worse? ▼
What does AQI 53 mean for health? ▼
What is the 90th percentile AQI for Corpus Christi, TX? ▼
How does Corpus Christi, TX compare to other metro areas? ▼
Data Sources
Primary Source: U.S. Environmental Protection Agency (EPA), Air Quality System (AQS), Annual AQI by CBSA dataset, 2020–2025. See our methodology for how AQI, median, and coverage figures are computed.
Read our methodology , how this data is sourced, computed, and verified.
Source: U.S. EPA Air Quality System (AQS) Annual AQI by CBSA summary files (metro-level) · 2020–2025
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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.