Lodoga, California Air Quality
Lodoga has a median AQI of 39, earning an air quality grade of A — excellent air quality that ranks better than 65% 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, Lodoga recorded 225 good air quality days (85% of monitored days).
Population: 259 • County: Colusa
Current AQI
Quick Facts
| Current AQI | 134 — Unhealthy for Sensitive Groups |
| Air Quality Grade | A |
| Median AQI (2025) | 39 |
| vs. U.S. Cities | Better than 65% |
| Primary Pollutant | Ozone |
| Unhealthy Days/Year | 0 |
| 10-Year Trend | ↑ Improving |
| Data Source | EPA AQS (historical) · AirNow (live) |
Health Recommendation
Members of sensitive groups may experience health effects. The general public is less likely to be affected.
Sensitive groups should reduce prolonged or heavy outdoor exertion.
5-Day AQI Forecast
Last 90 Days
Current Pollutant Levels
Real-time data from EPA AirNow
Local Air Quality Context
Air quality data for Lodoga is sourced from the Willows-Colusa monitoring area, located approximately 23 miles from city center. This EPA-certified station continuously tracks ground-level ozone, the primary driver of air quality alerts in this area.
Wildfire smoke is a significant factor in Lodoga's air quality, with regional fires capable of pushing AQI from Good to Unhealthy within hours during fire season (typically July through October). On smoke-impacted days, staying indoors with windows closed and running an air purifier with a HEPA filter is the most effective protection.
AQI Trend (10 Years)
Air Quality Days by Year
Lodoga Median AQI by Year
Annual EPA air quality data for Lodoga — median AQI, day-category breakdown, and primary pollutant per year.
| Year | Median AQI | Good Days | Unhealthy Days | Max AQI | Primary Pollutant |
|---|---|---|---|---|---|
| 2025 | 39 | 225 | — | 96 | Ozone |
| 2024 | 54 | 68 | — | 90 | PM2.5 |
| 2023 | 55 | 115 | — | 98 | PM2.5 |
| 2022 | 44 | 240 | 1 | 105 | Ozone |
| 2021 | 55 | 111 | 16 | 225 | PM2.5 |
| 2020 | 42 | 218 | 32 | 221 | PM2.5 |
| 2019 | 41 | 260 | — | 85 | PM2.5 |
| 2018 | 46 | 206 | 28 | 299 | PM2.5 |
| 2017 | 43 | 237 | 8 | 213 | PM2.5 |
| 2016 | 45 | 222 | — | 92 | Ozone |
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 Lodoga Air Quality
What is the air quality in Lodoga today?
The current AQI in Lodoga is 134, rated "Unhealthy for Sensitive Groups". Sensitive groups (children, elderly, those with respiratory conditions) should reduce prolonged outdoor activity. Members of sensitive groups may experience health effects. The general public is less likely to be affected.
Is air quality in Lodoga getting better or worse?
Air quality in Lodoga has been improving. The median AQI has dropped 6 points (from 45 in 2016 to 39 in 2025), a positive trend for residents.
What is the most common air pollutant in Lodoga?
Ozone is the primary air pollutant in Lodoga, responsible for 149 days (56% of monitored days) in 2025. Ground-level ozone forms when sunlight reacts with emissions from vehicles and industry, typically peaking on hot summer afternoons.
How many unhealthy air days does Lodoga have per year?
In 2025, Lodoga recorded 85% good air quality days (225 days) out of 265 monitored days. There were 0 Unhealthy for Sensitive Groups days and 0 Unhealthy days (AQI above 100). The highest single-day AQI recorded was 96.
What air quality grade does Lodoga receive?
Lodoga receives an air quality grade of A, placing it better than 65% of US cities. This is based on a median AQI of 39 in 2025, with 225 good air quality days. The EPA monitors air quality in this area continuously using certified monitoring stations.
Air Quality Grade
Better than 65% of US cities
Nearby Cities
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National Rankings
See how Lodoga compares to every other US city by air quality.
Best Air Quality Cities →All city rankingsRecommended Air Purifiers for Lodoga
Ozone is Lodoga's primary pollutant. Standard HEPA filters don't capture ozone molecules — you need activated carbon or PECO technology to chemically break them down. We highlight those units here.
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