Virginia · County air quality · 2025

Lynchburg City County, Virginia

Median AQI 30 (Good). 85.2% of monitored days rated Good, direct from EPA Air Quality System stations.

30
Median AQI
85.2%
Good-air days
0
Unhealthy days
69%
Cleaner than US counties

Lynchburg City County's 2025 annual median AQI is 30 (Good), with 85.2% Good days

According to the U.S. EPA Air Quality System, Lynchburg City County, Virginia posted a 2025 median AQI of 30 (Good) across 108 monitored days, with 85.2% 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
Lynchburg City County's 85.2% Good-day share places it cleaner than 69% of US counties in 2025.
Closest median-AQI peer
Putnam County (90.0% Good, median AQI 30) is the closest nationwide median-AQI peer to Lynchburg City County.
2020–2025 trend
Lynchburg City County's floor-qualifying Good-day share is worsening from 2020 to 2025 (90.0% → 85.2%).
Median AQI
Median AQI: 30

According to the 2025 EPA AQS county release on PlainAirData, Lynchburg City County, Virginia ranks #98 of 951 by median AQI (30) and #291 by good-day share (85.2%). Ponce County, Puerto Rico is #1 of 951 by median AQI (3, 91.4% Good days) at good-day-share #159 ≠ largest of 7 at 100.0% Good days #1 by good-day share (100.0%, median AQI 9) at median-AQI #7.

Annual release change

What changed in the 2025 EPA annual release

2024 → 2025
  • Lynchburg City County's Good-day share fell from 86.4% to 85.2% between the 2024 and 2025 EPA annual releases, a change of -1.3 percentage points.

Compared against 118 monitored days in 2024 and 108 in 2025. These are arithmetic differences between two stored EPA annual summaries, not a cause claim or a live advisory.

National release changes Two-year CSV

Data updated August 2026

Lynchburg City 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 108 monitored days G M Median AQI 30 0 50 100 150 200 300 500 Lynchburg City County
  • Good · 92 d · 85.2%
  • Moderate · 16 d · 14.8%

How did Lynchburg City County's air break down in 2025?

Across 108 monitored days, 92 fell in the Good band (AQI 0–50) and 0 reached Unhealthy or worse. The worst single day peaked at AQI 69 (Moderate).

EPA AQS →
Lynchburg City County, Good days share 85.2%
National avg

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

Lynchburg 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).

Where Lynchburg City County sits nationally

COUNT-derived placement among 951 US counties with at least 100 monitored days in 2025. Lynchburg City County's Good-day share is 85.2% - cleaner than 69% of that comparison set.

Lynchburg City County Good-day share vs. every US county

Share of monitored days in the Good band (AQI 0–50) - EPA AQS annual release

85.2% Cleaner than 69% higher than 69% of 951 US counties

0.0%–5.0%: 0 US counties (0%). Below this entry. 5.0%–10.0%: 1 US counties (0%). Below this entry. 10.0%–15.0%: 4 US counties (0%). Below this entry. 15.0%–20.0%: 4 US counties (0%). Below this entry. 20.0%–25.0%: 1 US counties (0%). Below this entry. 25.0%–30.0%: 5 US counties (1%). Below this entry. 30.0%–35.0%: 9 US counties (1%). Below this entry. 35.0%–40.0%: 4 US counties (0%). Below this entry. 40.0%–45.0%: 16 US counties (2%). Below this entry. 45.0%–50.0%: 16 US counties (2%). Below this entry. 50.0%–55.0%: 32 US counties (3%). Below this entry. 55.0%–60.0%: 50 US counties (5%). Below this entry. 60.0%–65.0%: 77 US counties (8%). Below this entry. 65.0%–70.0%: 93 US counties (10%). Below this entry. 70.0%–75.0%: 109 US counties (11%). Below this entry. 75.0%–80.0%: 114 US counties (12%). Below this entry. 80.0%–85.0%: 123 US counties (13%). Below this entry. 85.0%–90.0%: 99 US counties (10%). This entry sits in this band. 90.0%–95.0%: 117 US counties (12%). Above this entry. 95.0%–100.0%: 70 US counties (7%). Above this entry. 100.0%–105.0%: 7 US counties (1%). Above this entry. This county 0.0% 100% every floor-qualified US county, bucketed by value

Each bar is a band; taller bars hold more US counties. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Environmental Protection Agency, Air Quality System (AQS) · 2025

Pollutant Breakdown

Days where each pollutant was the primary driver of AQI readings in Lynchburg City County.

Lynchburg City County, Virginia 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 · 100.0% 0% 25% 50% 75% 100% Lynchburg City County, Virginia · 108 monitored days Criteria pollutant column
  • PM2.5 · 108 days · 100.0%

2024 daily-monitor rhythm in Lynchburg City County

Month-by-month median AQI from EPA day-level county monitors (118 reported days in 2024). Jul posted the highest typical readings (median AQI 46, peak 57); Jan was cleanest at median 16. Summer months (Jun–Aug) averaged median AQI 44 vs 23 in Dec–Feb.

0 10 20 30 40 50 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16 27 20 37 27 44 46 41 22 31 26 25
Lynchburg City County median daily AQI by calendar month (2024, EPA daily county file)

Five-year seasonal record

EPA day-level county files · 2020–2024

582 daily readings show a recurring local pattern: Jul has the highest matched-month median AQI (46), while Jan is lowest (20). Each cell is that month’s median daily AQI, not a current-air forecast.

JanFebMarAprMayJunJulAugSepOctNovDec
2020 172226212839433228263326
2021 242823364033494232292434
2022 262027342948463526252223
2023 193131334058483530342834
2024 162720372744464122312625

Lower AQI is better. The colors summarize EPA AQI bands; gaps mean the county had no day-level record for that month.

Health Impact Assessment

Good

Lynchburg City County's air quality is rated Good based on 85.2% good air days. No unhealthy air days were recorded in 2025.

Air quality was acceptable on 85.2% of monitored days in 2025, with a median AQI of 30. Unusually sensitive people can check real-time conditions at AirNow.gov during high-pollution events.

The dominant pollutant is PM2.5, driving AQI on 108 of 108 monitored days.

5-Year Air Quality Trend

Air quality is worsening in Lynchburg City County. Highest Good-day share: 2020 (90.0%, 99 of 110 monitored days).

Year Good Moderate USG Unhealthy Median AQI
2020 99 11 0 0 28
2021 98 21 0 0 32
2022 97 19 0 0 29
2023 93 24 2 0 34
2024 102 16 0 0 28
2025 92 16 0 0 30

How does Lynchburg City County compare?

How Lynchburg City County compares

Good-day share better than typical
Lynchburg City County 85.2%
Putnam County, Tennessee 90.0%
Typical US county 76.0%
Median AQI better than typical
Lynchburg City County 30
Putnam County, Tennessee 30
Typical US county 39
Unhealthy days / yr better than typical
Lynchburg City County 0
Putnam County, Tennessee 0
Typical US county 1

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 Lynchburg City County, Virginia · 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.