Median AQI
35
Good
Louisiana · County air quality · 2025
Pointe Coupee County, Louisiana
Median AQI 35 (Good). 93.7% of monitored days rated Good, direct from EPA Air Quality System stations.
- 35
- Median AQI
- 93.7%
- Good-air days
- 0
- Unhealthy days
- 89%
- Cleaner than US counties
Pointe Coupee County's 2025 annual median AQI is 35 (Good), with 93.7% Good days
According to the U.S. EPA Air Quality System, Pointe Coupee County, Louisiana posted a 2025 median AQI of 35 (Good) across 365 monitored days, with 93.7% 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
- Pointe Coupee County's 93.7% Good-day share places it cleaner than 89% of US counties in 2025.
- Closest median-AQI peer
- Atascosa County (76.0% Good, median AQI 35) is the closest nationwide median-AQI peer to Pointe Coupee County.
- 2020–2025 trend
- Pointe Coupee County's floor-qualifying Good-day share is stable from 2020 to 2025 (94.8% → 93.7%).
- Median AQI
- Median AQI: 35
The verdict
According to EPA Air Quality System monitoring data, Pointe Coupee County's air is good on balance, cleaner than most US counties, a median AQI of 35 with 93.7% of 365 monitored days in the Good band, driven mainly by Ozone.
- 35
- median AQI · Good
- 93.7%
- days rated Good
- Ozone
- main pollutant
- 89%
- cleaner than US counties
Not one day crossed into the Unhealthy tier; the worst single reading was AQI 93.
Annual release change
What changed in the 2025 EPA annual release
- Pointe Coupee County's Good-day share rose from 92.4% to 93.7% between the 2024 and 2025 EPA annual releases, a change of +1.3 percentage points.
Data updated August 2026
- Good · 342 d · 93.7%
- Moderate · 23 d · 6.3%
How did Pointe Coupee County's air break down in 2025?
Across 365 monitored days, 342 fell in the Good band (AQI 0–50) and 0 reached Unhealthy or worse. The worst single day peaked at AQI 93 (Moderate).
EPA AQS →Air quality data from EPA Air Quality System (2025). 365 days monitored. Median AQI: 35 (Good).
Insights: Pointe Coupee County, Louisiana. EPA monitors recorded a median Air Quality Index of 35 across 365 measured days in 2025, earning a Good classification and a Excellent health grade. Of those days, 342 (94%) fell in the Good band (AQI 0–50), 23 (6%) registered Moderate readings, and 0 (0%) reached Unhealthy for Sensitive Groups. The 90th-percentile AQI settled at 48, while the worst single-day peak hit 93 (Moderate). Residents averaged about 28.1 clean-air days per 30-day window during the monitoring year.
The full pollutant mix ranks as Ozone (365 days). Across the 2020–2025 trend window, the share of monitored days rated Good shifted by -1.1 points and the median AQI moved +3 points, placing the multi-year trajectory at stable. The worst single reading over the 2020–2025 window was AQI 93, moderate but never Unhealthy. Nearby counties show comparable readings: Ascension (95.6% good, AQI 33); Bossier (78.9% good, AQI 42); Caddo (80.0% good, AQI 38); Calcasieu (62.2% good, AQI 47); East Baton Rouge (49.6% good, AQI 51); Iberville (78.6% good, AQI 40).
Air Quality Summary
Good Days
93.7%
342 of 365 monitored days
18.7pp vs 75% target
Max AQI Recorded
93
Moderate
Health Grade
Excellent
90th-pct AQI 48
Pointe Coupee County, Good days share 93.7%
National avg
Share of monitored days at AQI 0-50 (Good band).
Pointe Coupee 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 365 monitored days across EPA AQI categories.
Good
342
94%
Moderate
23
6%
USG
0
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 Pointe Coupee County.
- Ozone · 365 days · 100.0%
Health Impact Assessment
Excellent
Pointe Coupee County's air quality is rated Excellent based on 93.7% good air days. No unhealthy air days were recorded in 2025.
Air quality was acceptable on 93.7% of monitored days in 2025, with a median AQI of 35. Unusually sensitive people can check real-time conditions at AirNow.gov during high-pollution events.
The dominant pollutant is Ozone, driving AQI on 365 of 365 monitored days.
5-Year Air Quality Trend
Air quality is stable in Pointe Coupee County. Highest Good-day share: 2021 (96.7%, 353 of 365 monitored days).
| Year | Good | Moderate | USG | Unhealthy | Median AQI | Max AQI |
|---|---|---|---|---|---|---|
| 2020 | 343 | 19 | 0 | 0 | 32 | 100 |
| 2021 | 353 | 12 | 0 | 0 | 32 | 100 |
| 2022 | 323 | 22 | 1 | 0 | 34 | 112 |
| 2023 | 323 | 36 | 3 | 0 | 36 | 112 |
| 2024 | 328 | 26 | 1 | 0 | 36 | 101 |
| 2025 | 342 | 23 | 0 | 0 | 35 | 93 |
How does Pointe Coupee County compare?
How Pointe Coupee County compares
Good-day share better than typical
Pointe Coupee County 93.7%
Atascosa County, Texas 76.0%
Typical US county 76.0%
Median AQI better than typical
Pointe Coupee County 35
Atascosa County, Texas 35
Typical US county 39
Unhealthy days / yr better than typical
Pointe Coupee County 0
Atascosa County, Texas 0
Typical US county 1
Counties with a similar median AQI
Nationwide peers within about the same annual median AQI as Pointe Coupee County (35), not geographic neighbors.
Atascosa County, Texas
Median AQI 35 · 76.0% Good-day share
Benzie County, Michigan
Median AQI 35 · 91.1% Good-day share
Berkeley County, South Carolina
Median AQI 35 · 93.3% Good-day share
Boone County, Indiana
Median AQI 35 · 89.7% Good-day share
Brazoria County, Texas
Median AQI 35 · 80.8% Good-day share
Caroline County, Virginia
Median AQI 35 · 96.7% Good-day share
Same primary pollutant: Ozone
Ozone led the AQI on the most monitored days here. These peers share that driver and the closest Good-day share (a second relationship type beyond median-AQI neighbors).
Barnstable County, Massachusetts
93.7% Good-day share · median AQI 36
Windham County, Connecticut
93.7% Good-day share · median AQI 35
Clark County, Illinois
93.8% Good-day share · median AQI 33
St. James County, Louisiana
93.9% Good-day share · median AQI 33
Okaloosa County, Florida
93.9% Good-day share · median AQI 36
Alexander County, North Carolina
93.5% Good-day share · median AQI 38
Louisiana counties on the map
Geographic containment only, other monitored counties in Louisiana, independent of AQI or pollutant match.
What Pointe Coupee County's air means for you
The air here stays in the breathable range year-round, with Ozone the main thing to watch.
- Sensitive groups (asthma, heart conditions, children, older adults) should check the AQI on high-Ozone days, the guide explains what a median of 35 means for exposure. Health guidance
- See how Pointe Coupee County ranks against every monitored U.S. county on Good-day share. County rankings
- Compare Pointe Coupee County with its Louisiana neighbours before drawing a conclusion about the region. All of Louisiana
Based on 365 EPA-monitored days in 2025; figures reflect only days the monitors reported. Source: EPA Air Quality System annual summaries.
Keep exploring the annual AQI record
Air-quality reading list
Frequently Asked Questions
What is the air quality in Pointe Coupee County, Louisiana? ▼
Pointe Coupee County has a median Air Quality Index (AQI) of 35, rated "Good." 93.7% of monitored days (342 out of 365) had good air quality in 2025.
What is the main pollutant in Pointe Coupee County? ▼
The primary pollutant in Pointe Coupee County is Ozone (O3), which was the main AQI driver on 365 days (100% of monitored days). Can trigger asthma, reduce lung function, and cause chest pain.
How many unhealthy air days does Pointe Coupee County have? ▼
In 2025, Pointe Coupee County recorded 0 unhealthy air days (0 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 93.
Is the air quality in Pointe Coupee County getting better or worse? ▼
Air quality in Pointe Coupee County is stable across floor-qualifying years (2020-2025); years with fewer than 100 monitored days are excluded from that direction. Highest qualifying Good-day share: 2021 at 96.7% (353 of 365 days). Lowest qualifying Good-day share: 2023 at 89.2% (323 of 362 days).
What does AQI 35 mean for health? ▼
Pointe Coupee County's median AQI of 35 falls in the "Good" category. See the AQI category guide for what each range means for health.
How does Pointe Coupee County compare to other counties in Louisiana? ▼
Pointe Coupee County has 93.7% good air days. Nearby counties in Louisiana: Ascension (95.6% good), Bossier (78.9% good), Caddo (80.0% good), Calcasieu (62.2% good), East Baton Rouge (49.6% good), Iberville (78.6% good).
What is the 90th percentile AQI in Pointe Coupee County? ▼
The 90th percentile AQI for Pointe Coupee County is 48, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 93 (Moderate).
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 Pointe Coupee County, Louisiana · 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.