Median AQI
6
Good
Virginia · County air quality · 2025
Hopewell City County, Virginia
Median AQI 6 (Good). 100.0% of monitored days rated Good, direct from EPA Air Quality System stations.
- 6
- Median AQI
- 100.0%
- Good-air days
- 0
- Unhealthy days
- 96%
- Cleaner than US counties
The verdict
According to EPA Air Quality System monitoring data, Hopewell City County's air is good on balance, among the cleanest 5% of US counties, a median AQI of 6 with 100.0% of 33 monitored days in the Good band, driven mainly by PM10.
- 6
- median AQI · Good
- 100.0%
- days rated Good
- PM10
- main pollutant
- 96%
- cleaner than US counties
Not one day crossed into the Unhealthy tier; the worst single reading was AQI 15.
Data updated July 2026
- Good · 33 d · 100.0%
How did Hopewell City County's air break down in 2025?
Across 33 monitored days, 33 fell in the Good band (AQI 0–50) and 0 reached Unhealthy or worse. The worst single day peaked at AQI 15 (Good).
EPA AQS →Air quality data from EPA Air Quality System (2025). 33 days monitored. Median AQI: 6 (Good).
Insights: Hopewell City County, Virginia. EPA monitors recorded a median Air Quality Index of 6 across 33 measured days in 2025, earning a Good classification and a Excellent health grade. Of those days, 33 (100%) fell in the Good band (AQI 0–50), 0 (0%) registered Moderate readings, and 0 (0%) reached Unhealthy for Sensitive Groups. The 90th-percentile AQI settled at 12, while the worst single-day peak hit 15 (Good). Residents averaged about 30.0 clean-air days per 30-day window during the monitoring year.
The full pollutant mix ranks as PM10 (33 days). Across the 2020–2025 trend window, good days shifted by -15 and the median AQI moved +0 points, placing the multi-year trajectory at stable. The worst single reading over the 2020–2025 window was AQI 15, good but never Unhealthy. Nearby counties show comparable readings: Albemarle (77.9% good, AQI 41); Arlington (84.8% good, AQI 40); Bristol City (78.3% good, AQI 33); Caroline (96.2% good, AQI 37); Carroll (100.0% good, AQI 9); Charles (88.6% good, AQI 38).
Air Quality Summary
Good Days
100.0%
33 of 33 monitored days
25.0pp vs 75% target
Max AQI Recorded
15
Good
Health Grade
Excellent
90th-pct AQI 12
Hopewell City County, Good days share 100.0%
National avg
Share of monitored days at AQI 0-50 (Good band).
Hopewell City 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 33 monitored days across EPA AQI categories.
Good
33
100%
Moderate
0
0%
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 Hopewell City County.
- PM10 · 33 days · 100.0%
Health Impact Assessment
Excellent
Hopewell City County's air quality is rated Excellent based on 100.0% good air days. No unhealthy air days were recorded in 2025.
Air quality was acceptable on 100.0% of monitored days in 2025, with a median AQI of 6. Unusually sensitive people can check real-time conditions at AirNow.gov during high-pollution events.
The dominant pollutant is PM10, driving AQI on 33 of 33 monitored days.
5-Year Air Quality Trend
Air quality is stable in Hopewell City County. Best year: 2023 (59 good days).
| Year | Good | Moderate | USG | Unhealthy | Median AQI | Max AQI |
|---|---|---|---|---|---|---|
| 2020 | 48 | 0 | 0 | 0 | 6 | 15 |
| 2021 | 53 | 0 | 0 | 0 | 7 | 31 |
| 2022 | 51 | 0 | 0 | 0 | 7 | 23 |
| 2023 | 59 | 0 | 0 | 0 | 7 | 50 |
| 2024 | 58 | 0 | 0 | 0 | 6 | 30 |
| 2025 | 33 | 0 | 0 | 0 | 6 | 15 |
How does Hopewell City County compare?
How Hopewell City County compares
Good-day share better than US avg
Hopewell City County 100.0%
Albemarle County, Virginia 77.9%
US average 76.5%
Median AQI better than US avg
Hopewell City County 6
Albemarle County, Virginia 41
US average 38
Unhealthy days / yr about average
Hopewell City County 0
Albemarle County, Virginia 0
US average 0
Other Counties in Virginia
Air quality comparison for nearby counties in Virginia.
Counties with Similar Air Quality
Counties across the US with a similar median AQI to Hopewell City County.
Powell County, Montana
AQI 6 · 100.0% good
Siskiyou County, California
AQI 6 · 100.0% good
Carbon County, Wyoming
AQI 7 · 100.0% good
Keweenaw County, Michigan
AQI 7 · 100.0% good
Matanuska-Susitna County, Alaska
AQI 7 · 90.3% good
North Slope County, Alaska
AQI 7 · 100.0% good
What Hopewell City County's air means for you
The air here stays in the breathable range year-round, with PM10 the main thing to watch.
- Sensitive groups (asthma, heart conditions, children, older adults) should check the AQI on high-PM10 days, the guide explains what a median of 6 means for exposure. Health guidance
- See how Hopewell City County ranks against every monitored U.S. county on Good-day share. County rankings
- Compare Hopewell City County with its Virginia neighbours before drawing a conclusion about the region. All of Virginia
Based on 33 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 Hopewell City County, Virginia? ▼
Hopewell City County has a median Air Quality Index (AQI) of 6, rated "Good." 100.0% of monitored days (33 out of 33) had good air quality in 2025.
What is the main pollutant in Hopewell City County? ▼
The primary pollutant in Hopewell City County is Coarse Particles (PM10), which was the main AQI driver on 33 days (100% of monitored days). Irritates airways and can aggravate asthma and bronchitis.
How many unhealthy air days does Hopewell City County have? ▼
In 2025, Hopewell City County recorded 0 unhealthy air days (0 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 15.
Is the air quality in Hopewell City County getting better or worse? ▼
Air quality in Hopewell City County is stable based on 5-year trends (2020-2025). Best year: 2023 with 59 good days. Worst year: 2025 with 33 good days.
What does AQI 6 mean for health? ▼
Hopewell City County's median AQI of 6 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 Hopewell City County compare to other counties in Virginia? ▼
Hopewell City County has 100.0% good air days. Nearby counties in Virginia: Albemarle (77.9% good), Arlington (84.8% good), Bristol City (78.3% good), Caroline (96.2% good), Carroll (100.0% good), Charles (88.6% good).
What is the 90th percentile AQI in Hopewell City County? ▼
The 90th percentile AQI for Hopewell City County is 12, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 15 (Good).
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.