North Carolina · County air quality · 2025

Pitt County, North Carolina

Median AQI 38 (Good). 88.8% of monitored days rated Good, direct from EPA Air Quality System stations.

38
Median AQI
88.8%
Good-air days
0
Unhealthy days
73%
Cleaner than US counties

The verdict

According to EPA Air Quality System monitoring data, Pitt County's air is good on balance, cleaner than the median US county, a median AQI of 38 with 88.8% of 267 monitored days in the Good band, driven mainly by PM2.5.

38
median AQI · Good
88.8%
days rated Good
PM2.5
main pollutant
73%
cleaner than US counties

Not one day crossed into the Unhealthy tier; the worst single reading was AQI 71.

Data updated July 2026

Pitt 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 267 monitored days G M Median AQI 38 0 50 100 150 200 300 500 Pitt County
  • Good · 237 d · 88.8%
  • Moderate · 30 d · 11.2%

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

Across 267 monitored days, 237 fell in the Good band (AQI 0–50) and 0 reached Unhealthy or worse. The worst single day peaked at AQI 71 (Moderate).

EPA AQS →

Air quality data from EPA Air Quality System (2025). 267 days monitored. Median AQI: 38 (Good).

Insights: Pitt County, North Carolina. EPA monitors recorded a median Air Quality Index of 38 across 267 measured days in 2025, earning a Good classification and a Good health grade. Of those days, 237 (89%) fell in the Good band (AQI 0–50), 30 (11%) registered Moderate readings, and 0 (0%) reached Unhealthy for Sensitive Groups. The 90th-percentile AQI settled at 51, while the worst single-day peak hit 71 (Moderate). Residents averaged about 26.6 clean-air days per 30-day window during the monitoring year.

The full pollutant mix ranks as PM2.5 (161 days), Ozone (106 days). Across the 2020–2025 trend window, good days shifted by -76 and the median AQI moved +2 points, placing the multi-year trajectory at stable. The worst single reading over the 2020–2025 window was AQI 71, moderate but never Unhealthy. Nearby counties show comparable readings: Alexander (92.4% good, AQI 39); Avery (93.9% good, AQI 38); Buncombe (71.4% good, AQI 42); Caldwell (96.2% good, AQI 37); Carteret (94.2% good, AQI 37); Caswell (94.6% good, AQI 39).

Air Quality Summary

Median AQI

38

Good

Good Days

88.8%

237 of 267 monitored days

13.8pp vs 75% target

Max AQI Recorded

71

Moderate

Health Grade

Good

90th-pct AQI 51

Pitt County, Good days share 88.8%
National avg

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

Pitt 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 267 monitored days across EPA AQI categories.

Good

237

89%

Moderate

30

11%

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 Pitt County.

Pitt County, North Carolina 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 · 60.3% Ozone · 39.7% 0% 25% 50% 75% 100% Pitt County, North Carolina · 267 monitored days Criteria pollutant column
  • PM2.5 · 161 days · 60.3%
  • Ozone · 106 days · 39.7%
Fine Particles (PM2.5) 161 days (60%)

How PM2.5 affects health →

Ozone (O3) 106 days (40%)

How Ozone affects health →

Health Impact Assessment

Good

Pitt County's air quality is rated Good based on 88.8% good air days. No unhealthy air days were recorded in 2025.

Air quality was acceptable on 88.8% of monitored days in 2025, with a median AQI of 38. Unusually sensitive people can check real-time conditions at AirNow.gov during high-pollution events.

The dominant pollutant is PM2.5, driving AQI on 161 of 267 monitored days.

5-Year Air Quality Trend

Air quality is stable in Pitt County. Best year: 2020 (313 good days).

Year Good Moderate USG Unhealthy Median AQI
2020 313 48 0 0 36
2021 288 72 0 0 39
2022 305 60 0 0 37
2023 256 107 2 0 42
2024 302 50 0 0 37
2025 237 30 0 0 38

How does Pitt County compare?

How Pitt County compares

Good-day share better than US avg
Pitt County 88.8%
Alexander County, North Carolina 92.4%
US average 76.5%
Median AQI about average
Pitt County 38
Alexander County, North Carolina 39
US average 38
Unhealthy days / yr about average
Pitt County 0
Alexander County, North Carolina 0
US average 0

Other Counties in North Carolina

Air quality comparison for nearby counties in North Carolina.

Counties with Similar Air Quality

Counties across the US with a similar median AQI to Pitt County.

What Pitt 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 38 means for exposure. Health guidance
  • See how Pitt County ranks against every monitored U.S. county on Good-day share. County rankings
  • Compare Pitt County with its North Carolina neighbours before drawing a conclusion about the region. All of North Carolina

Based on 267 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 Pitt County, North Carolina?
Pitt County has a median Air Quality Index (AQI) of 38, rated "Good." 88.8% of monitored days (237 out of 267) had good air quality in 2025.
What is the main pollutant in Pitt County?
The primary pollutant in Pitt County is Fine Particles (PM2.5), which was the main AQI driver on 161 days (60% of monitored days). Penetrates deep into lungs and bloodstream. Linked to heart disease and premature death.
How many unhealthy air days does Pitt County have?
In 2025, Pitt County recorded 0 unhealthy air days (0 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 71.
Is the air quality in Pitt County getting better or worse?
Air quality in Pitt County is stable based on 5-year trends (2020-2025). Best year: 2020 with 313 good days. Worst year: 2025 with 237 good days.
What does AQI 38 mean for health?
Pitt County's median AQI of 38 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 Pitt County compare to other counties in North Carolina?
Pitt County has 88.8% good air days. Nearby counties in North Carolina: Alexander (92.4% good), Avery (93.9% good), Buncombe (71.4% good), Caldwell (96.2% good), Carteret (94.2% good), Caswell (94.6% good).
What is the 90th percentile AQI in Pitt County?
The 90th percentile AQI for Pitt County is 51, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 71 (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.

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.