Corpus Christi Air Quality in 2019
In 2019, Corpus Christi's air quality (Corpus Christi, TX area) had a median daily AQI of 49 (Good) across 365 monitored days. 1 day (0.3%) reached Unhealthy for Sensitive Groups or worse, 198 were Good, and the year's peak AQI was 107 (Unhealthy for Sensitive Groups). Fine particulate matter (PM2.5) set the daily AQI on 252 of those days. The cleanest month of 2019 was October (median AQI 37, 0 days above 100) and the worst was January (median 38, 1 day above 100, peak 107).
- Good: 54.2%
- Moderate: 45.5%
- Unhealthy for Sensitive Groups: 0.3%
- Unhealthy or worse: 0.0%
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How was Corpus Christi's air quality in 2019?
Good on a typical day: median AQI 49, with 1 day above AQI 100 out of 365 monitored — the 1st cleanest of 7 years on record for the area.
- ✓Peak AQI in 2019: 107 (Unhealthy for Sensitive Groups).
- ✓Fine particulate matter (PM2.5) was the main pollutant on 252 days.
- ✓Cleanest month: October; worst: January.
Frequently asked questions
What was the average AQI in Corpus Christi in 2019?▾
EPA's Air Quality System puts Corpus Christi's (Corpus Christi, TX) median daily AQI for 2019 at 49, which is Good. 1 day were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 107.
Which month had the worst air quality in Corpus Christi in 2019?▾
The cleanest month of 2019 was October (median AQI 37, 0 days above 100) and the worst was January (median 38, 1 day above 100, peak 107).
Was 2019 a good or bad year for Corpus Christi's air?▾
Among the 7 years EPA has published for the area (2019–2025), 2019 ranks 1st cleanest by days above AQI 100 — the best year on record here. 2019's median of 49 is in line with the area's typical annual median of 48.
Corpus Christi month by month in 2019
Corpus Christi air quality month by month, 2019 (Corpus Christi, TX, EPA AQS daily AQI)
| Month | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| Januaryworst | 31 | 38 | 1 | 107 | O3 |
| February | 28 | 50 | 0 | 91 | PM2.5 |
| March | 31 | 52 | 0 | 90 | PM2.5 |
| April | 30 | 54 | 0 | 74 | O3 |
| May | 31 | 55 | 0 | 76 | PM2.5 |
| June | 30 | 60 | 0 | 93 | PM2.5 |
| July | 31 | 56 | 0 | 78 | PM2.5 |
| August | 31 | 52 | 0 | 74 | PM2.5 |
| September | 30 | 40 | 0 | 58 | PM2.5 |
| Octobercleanest | 31 | 37 | 0 | 51 | PM2.5 |
| November | 30 | 45 | 0 | 74 | PM2.5 |
| December | 31 | 39 | 0 | 68 | PM2.5 |
How 2019 compares
Among the 7 years EPA has published for the area (2019–2025), 2019 ranks 1st cleanest by days above AQI 100 — the best year on record here.
2019's median of 49 is in line with the area's typical annual median of 48.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Corpus Christi
The latest EPA AirNow observation puts Corpus Christi's AQI at 38 (PM2.5). The figures above are multi-year annual statistics, not today's reading.
View current Corpus Christi air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Corpus Christi, TX), 2019–2025. Daily AQI per CBSA is the highest AQI reported by any monitor in the area that day; the defining parameter is the pollutant that set it. Month and season statistics pool every such day in the period across all years listed. Retrieved 2026-09-09.