Rosamond, California Air Quality
Rosamond has a median AQI of 61, earning an air quality grade of C — moderate air quality that ranks better than 3% of US cities. Air quality has been improving steadily over the past decade, a positive sign for residents. Ground-level ozone is the primary concern, typically peaking on warm sunny days due to vehicle and industrial emissions. In 2025, Rosamond recorded 65 good air quality days (24% of monitored days) and 25 unhealthy days.
Population: 21,473 • County: Kern
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Quick Facts
| Current AQI | 11 — Good |
| Air Quality Grade | C |
| Median AQI (2025) | 61 |
| vs. U.S. Cities | Better than 3% |
| Primary Pollutant | Ozone |
| Unhealthy Days/Year | 25 |
| 10-Year Trend | ↑ Improving |
| Data Source | EPA AirNow |
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 30 Days
Current Pollutant Levels
Real-time data from EPA AirNow
AQI Trend (10 Years)
Air Quality Days by Year
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 Rosamond Air Quality
What is the air quality in Rosamond today?
The current AQI in Rosamond is 11, which is rated "Good". Air quality is satisfactory, and air pollution poses little or no risk.
Is air quality in Rosamond getting better or worse?
Air quality in Rosamond has been improving over the past decade. The median AQI dropped from 80 in 2016 to 61 in 2025.
What is the most common air pollutant in Rosamond?
Ozone is the primary air pollutant in Rosamond, responsible for the most air quality-impacted days in 2025. Ground-level ozone forms when sunlight reacts with vehicle and industrial emissions on warm days.
How many unhealthy air days does Rosamond have per year?
In 2025, Rosamond had 25 days when air quality was unhealthy or unhealthy for sensitive groups (AQI above 100). There were 65 good days and 183 moderate days out of 273 days monitored.
What air quality grade does Rosamond receive?
Rosamond receives an air quality grade of C, placing it better than 3% of US cities. This grade is based on a median AQI of 61 for 2025, derived from EPA monitoring data.
Air Quality Grade
Better than 3% of US cities
Nearby Cities
Protect Your Health
With a median AQI of 61, indoor air purification is recommended
See Recommended Purifiers ↓Get AQI Alerts
Receive notifications when air quality changes in Rosamond
National Rankings
See how Rosamond compares to every other US city by air quality.
Most Polluted Cities →All city rankingsRecommended Air Purifiers for Rosamond
Based on your area's air quality (median AQI: 61), we recommend these air purifiers to help protect your health indoors.
Honeywell HPA300
Powerful workhorse for large rooms. Built to last.
- ✓Perfect room size match
- ✓Recommended for your air quality
- ✓Has 1/1 desired features
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Other Great Options
Blueair Blue Pure 211+
High performance for large rooms with simple operation.
RabbitAir MinusA2
Stylish wall-mountable design with customizable artwork panels.
Molekule Air Pro
Commercial-grade with patented PECO technology for destroying pollutants.
Not sure which air purifier is right for you?
Learn more about different types of air purifiers and how to choose the best one for your needs.
Read our complete buying guide →