Christine, Texas Air Quality
Christine has a median AQI of 45, earning an air quality grade of A- — excellent air quality that ranks better than 27% of US cities. Air quality has been trending worse over the past decade, a concern for local residents and health officials. Particulate matter (PM2.5) is the primary concern, often linked to vehicle traffic, industrial activity, and wildfire smoke. In 2025, Christine recorded 91 good air quality days (58% of monitored days).
Population: 295 • County: Atascosa
Current AQI
Quick Facts
| Current AQI | 31 — Good |
| Air Quality Grade | A- |
| Median AQI (2025) | 45 |
| vs. U.S. Cities | Better than 27% |
| Primary Pollutant | PM2.5 |
| Unhealthy Days/Year | 0 |
| 10-Year Trend | ↓ Worsening |
| 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 Christine is sourced from the San Antonio Bulverde Parkway C1087 monitoring area, located approximately 59 miles from city center. This EPA-certified station continuously tracks particulate matter (PM2.5), the primary driver of air quality alerts in this area.
Christine 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
Christine Median AQI by Year
Annual EPA air quality data for Christine — median AQI, day-category breakdown, and primary pollutant per year.
| Year | Median AQI | Good Days | Unhealthy Days | Max AQI | Primary Pollutant |
|---|---|---|---|---|---|
| 2025 | 45 | 91 | — | 92 | PM2.5 |
| 2024 | 44 | 198 | 8 | 116 | PM2.5 |
| 2023 | 42 | 210 | — | 86 | PM2.5 |
| 2022 | 44 | 218 | 2 | 115 | PM2.5 |
| 2021 | 43 | 213 | — | 87 | PM2.5 |
| 2020 | 38 | 149 | 1 | 158 | 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 Christine Air Quality
What is the air quality in Christine today?
The current AQI in Christine is 31, 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 Christine getting better or worse?
Air quality in Christine has been worsening. The median AQI has risen 7 points (from 38 in 2020 to 45 in 2025), a concern for local health officials.
What is the most common air pollutant in Christine?
PM2.5 is the primary air pollutant in Christine, responsible for 157 days (100% of monitored days) in 2025. Particulate matter originates from vehicle exhaust, wildfires, construction, and industrial activity.
How many unhealthy air days does Christine have per year?
In 2025, Christine recorded 58% good air quality days (91 days) out of 157 monitored days. There were 0 Unhealthy for Sensitive Groups days and 0 Unhealthy days (AQI above 100). The highest single-day AQI recorded was 92.
What air quality grade does Christine receive?
Christine receives an air quality grade of A-, placing it better than 27% of US cities. This is based on a median AQI of 45 in 2025, with 91 good air quality days. The EPA monitors air quality in this area continuously using certified monitoring stations.
Air Quality Grade
Better than 27% of US cities
Nearby Cities
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National Rankings
See how Christine compares to every other US city by air quality.
Best Air Quality Cities →All city rankingsRecommended Air Purifiers for Christine
Christine 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.
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