Today's a decent day to get out there, but you'll want to pick your route wisely and maybe scale back if your lungs are finicky.
- The air quality, sitting at a "Moderate" AQI of 79, means those fine particulate matter (PM2.5) levels aren't exactly ideal for everyone, especially if you're prone to respiratory issues.
- Construction is still a perpetual state of affairs downtown and on some popular greenways, so prepare for detours and watch your step.
- Pollen is hanging around at moderate levels, which might still tickle the noses of allergy sufferers.
Air Quality Report
Alright, Indy, let's talk about the air. Our current Air Quality Index (AQI) is showing 79, with PM2.5 as the dominant pollutant. This puts us squarely in the "Moderate" category. Now, I know "moderate" sounds pretty chill, but if you're part of a sensitive group – asthmatic, elderly, or just have grumpy lungs – this isn't exactly prime breathing weather for a hard effort. AccuWeather was even calling for "Poor" air quality for today, which is a bit more alarmist than our 79 suggests, but it highlights that air quality can fluctuate and be a concern. So, if you feel that tickle in your throat or your chest feels tight, don't push it like you're trying to qualify for Boston.
Heads Up, Lung-Sensitive Folks: While the air is "Mainly Clear" today and temperatures are a comfortable 16.4°C (that's 61.5°F for the Fahrenheit crowd), the moderate AQI means you should take it easy. PM2.5 can irritate those airways, so maybe skip the speed work and opt for a casual stroll or an indoor session if you're feeling it.
Pollen Breakdown
| Pollen Level | Dominant Type | Impact |
|---|---|---|
| Moderate | Ragweed, Mold | Allergy sufferers may experience symptoms. |
Yeah, "moderate" pollen. It's October, but Mother Nature still wants to remind us she's got allergies too. If you're sneezing just thinking about it, make sure you've got your meds on board.
Construction Chaos: The Never-Ending Story
Our city's always building, which is great for the future, but a pain in the present. If you're planning on hitting the pavement or a greenway around downtown, be aware that new hospital construction has shut down parts of Senate Avenue, Missouri Street, 14th Street, and 13th Street as of October 12th. And get this, there's even a "partial closure of Missouri Street eastern-most northbound lane between 14th Street and 16th Street" for pedestrian trail construction. So, if you usually run along the White River State Park area, you'll need to be extra vigilant and prepared for impromptu detours.
Downtown Detour Alert! Major street closures due to hospital and pedestrian trail construction are active in the downtown core, particularly around Senate and Missouri Streets. These aren't just minor annoyances; entire sections are closed. Check maps before you head out, especially if your route takes you near Washington Street or the White River State Park.
And let's not forget our beloved Monon Trail. While I haven't seen a fresh alert specifically for today, the city has ongoing projects for widening and resurfacing parts of the Monon, including a grade-separated structure over 86th Street. These are long-term projects, and while they improve things eventually, they often mean temporary disruptions. Keep your eyes peeled for construction crews and signage, especially on the northern sections.
Final Word
Overall, it's a "Mainly Clear" and relatively cool day to be outside in Indianapolis. Just be smart about that moderate AQI if your lungs are sensitive, load up on allergy meds, and for the love of all that is holy, watch out for construction closures, particularly if you're trying to navigate downtown or the Monon.
Data grounded with AccuWeather, IQAir, INDOT, Indy.gov, and WTHR from October 13-14, 2026.