South Haven, Indiana Air Quality
South Haven air quality today — the AQI, the main pollutant, and whether it’s safe to exercise outside right now
South Haven, IN · Air quality right now
The air quality index in South Haven, IN is 28 (Good) right now — safe for outdoor activity.
Is it safe to be outside in South Haven today?
AQI 28 Yes — air quality is Good
Air is clean — great for outdoor activity.Main pollutant: OzoneObserved 9:00 AM CDT
Pollutants right now
- PM2.53.5 µg/m³fine particles — smoke, exhaust, soot
- PM103.5 µg/m³coarse particles — dust, pollen, ash
- Ozone55 µg/m³Main pollutantsmog — builds on hot, sunny days
- NO₂6.0 µg/m³nitrogen dioxide — traffic, combustion
ExerciseOK to run — no air-quality limits on outdoor exercise.
How to read South Haven’s air quality
Guides: The AQI Scale, Explained · Air Quality Alerts, Decoded · How to Read a Wildfire Smoke Map · Why Wildfire Smoke Travels 1,000 Miles.
Air quality over time in South Haven
Across the EPA’s county records from 2020 to 2025, South Haven’s cleanest year was 2020 (median AQI 43) and its most polluted was 2023 (median AQI 48); the typical (median) day has held roughly steady since 2020.
| Year | Median AQI | Unhealthy+ | Main pollutant | USG | Moderate | Good |
|---|---|---|---|---|---|---|
| 2020 | 43 | 1 | Ozone | 5 | 113 | 247 |
| 2021 | 47 | 0 | PM2.5 | 7 | 154 | 204 |
| 2022 | 46 | 1 | PM2.5 | 5 | 130 | 229 |
| 2023 | 48 | 2 | PM2.5 | 20 | 137 | 206 |
| 2024 | 44 | 0 | Ozone | 2 | 121 | 243 |
| 2025 | 44 | 0 | Ozone | 11 | 128 | 226 |
“USG” is Unhealthy for Sensitive Groups (AQI 101–150); “Unhealthy+” combines the Unhealthy, Very Unhealthy, and Hazardous days. In 2024 the EPA tightened the annual fine-particle (PM2.5) standard to 9 µg/m³ from the previous 12 µg/m³, so counties near the old limit read worse against the new one. Source: EPA AQS annual summaries, 2020–2025.
Frequently asked
- What was the worst year for air quality in South Haven?
- In the EPA's 2020–2025 county records, 2023 had the most days above AQI 100: 22 days (20 Unhealthy for Sensitive Groups, 2 Unhealthy or worse). It also had the highest median AQI, 48.
- How many unhealthy air days does South Haven have?
- Across 2020–2025, 2% of the days reported for South Haven's county had an AQI above 100 (54 of 2192), about 9 days a year. 2025 had 11 days.
- What's the main air pollutant in South Haven?
- Ozone drove South Haven's county AQI on the most days in 3 of 6 years (2020–2025); PM2.5 in 2021, 2022, 2023.