Bolton, Mississippi Air Quality
Bolton has a median AQI of 52, earning an air quality grade of B — good air quality that ranks better than 10% of US cities. Air quality has remained relatively stable over the past decade. Particulate matter (PM2.5) is the primary concern, often linked to vehicle traffic, industrial activity, and wildfire smoke. In 2025, Bolton recorded 119 good air quality days (43% of monitored days).
Population: 597 • County: Hinds
Current AQI
Quick Facts
| Current AQI | 15 — Good |
| Air Quality Grade | B |
| Median AQI (2025) | 52 |
| vs. U.S. Cities | Better than 10% |
| Primary Pollutant | PM2.5 |
| Unhealthy Days/Year | 0 |
| 10-Year Trend | → Stable |
| Data Source | EPA AQS (historical) · AirNow (live) |
Health Recommendation
Air quality is satisfactory, and air pollution poses little or no risk.
It's a great day to be active outside!
5-Day AQI Forecast
Last 90 Days
Current Pollutant Levels
Real-time data from EPA AirNow
Local Air Quality Context
Air quality data for Bolton is sourced from the Hinds CC monitoring area, located approximately 14 miles from city center. This EPA-certified station continuously tracks particulate matter (PM2.5), the primary driver of air quality alerts in this area.
Bolton tends to see elevated PM2.5 readings during fall and winter months when temperature inversions trap pollutants near the surface. Wood burning, vehicle exhaust, and reduced wind speeds compound the effect. Residents with respiratory conditions should monitor forecasts closely between November and February.
AQI Trend (10 Years)
Air Quality Days by Year
Bolton Median AQI by Year
Annual EPA air quality data for Bolton — median AQI, day-category breakdown, and primary pollutant per year.
| Year | Median AQI | Good Days | Unhealthy Days | Max AQI | Primary Pollutant |
|---|---|---|---|---|---|
| 2025 | 52 | 119 | — | 84 | PM2.5 |
| 2024 | 48 | 203 | — | 96 | PM2.5 |
| 2023 | 54 | 131 | 3 | 115 | PM2.5 |
| 2022 | 52 | 168 | 2 | 105 | PM2.5 |
| 2021 | 52 | 144 | — | 88 | PM2.5 |
| 2020 | 53 | 152 | 1 | 114 | PM2.5 |
| 2019 | 52 | 161 | — | 100 | PM2.5 |
| 2018 | 52 | 165 | 1 | 112 | PM2.5 |
| 2017 | 52 | 162 | — | 90 | PM2.5 |
| 2016 | 52 | 153 | — | 100 | PM2.5 |
Source: EPA Air Quality System (AQS) annual summaries. "Unhealthy Days" includes Unhealthy for Sensitive Groups, Unhealthy, Very Unhealthy, and Hazardous categories.
2025 Air Quality Summary
Primary Pollutant Days (2025)
Days when each pollutant was the primary driver of AQI. Learn about pollutants →
Frequently Asked Questions About Bolton Air Quality
What is the air quality in Bolton today?
The current AQI in Bolton is 15, rated "Good". Air quality is good — outdoor activity is safe for everyone today. Air quality is satisfactory, and air pollution poses little or no risk.
Is air quality in Bolton getting better or worse?
Air quality in Bolton has been stable. The median AQI has remained stable at around 52 over the past decade.
What is the most common air pollutant in Bolton?
PM2.5 is the primary air pollutant in Bolton, responsible for 214 days (78% of monitored days) in 2025. Particulate matter originates from vehicle exhaust, wildfires, construction, and industrial activity.
How many unhealthy air days does Bolton have per year?
In 2025, Bolton recorded 43% good air quality days (119 days) out of 274 monitored days. There were 0 Unhealthy for Sensitive Groups days and 0 Unhealthy days (AQI above 100). The highest single-day AQI recorded was 84.
What air quality grade does Bolton receive?
Bolton receives an air quality grade of B, placing it better than 10% of US cities. This is based on a median AQI of 52 in 2025, with 119 good air quality days. The EPA monitors air quality in this area continuously using certified monitoring stations.
Air Quality Grade
Better than 10% of US cities
Nearby Cities
Protect Your Health
With a median AQI of 52, indoor air purification is recommended
See Recommended Purifiers ↓Get AQI Alerts
Receive notifications when air quality changes in Bolton
National Rankings
See how Bolton compares to every other US city by air quality.
Best Air Quality Cities →All city rankingsRecommended Air Purifiers for Bolton
Bolton sees its worst PM2.5 during winter temperature inversions when particulates get trapped near ground level. A unit with True HEPA and an auto-mode sensor is most effective for responding to these spikes.
Honeywell HPA300
Powerful workhorse for large rooms. Built to last.
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Other Great Options
Blueair Blue Pure 211+
High performance for large rooms with simple operation.
Coway Airmega AP-1512HH
Best overall value for medium rooms. Excellent performance at an affordable price.
Winix 5500-2
Feature-rich purifier at a great price. Good for allergies.
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