Springfield, MA Air Quality in Summer
Across 2019–2025, Springfield's summer (June–August) air quality had a median AQI of 46 (Good) over 644 monitored days in the Springfield, MA area. 2.2% of summer days (14 of 644) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 52.8% of days. The cleanest summer on record here was 2019 (median AQI 44, 0 days above 100) and the worst was 2025 (median 49, 5 days above 100, peak AQI 124).
- Good: 59.0%
- Moderate: 38.8%
- Unhealthy for Sensitive Groups: 1.9%
- Unhealthy or worse: 0.3%
Improve Indoor Air Quality
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How is the air in Springfield in summer?
Good on a typical day: median AQI 46 across 2019–2025, with 2.2% of summer days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓59.0% of summer days were Good (AQI 0–50), 38.8% Moderate (51–100).
- ✓14 days of 644 reached AQI 101+; the summer peak was 153.
- ✓Cleanest month: August; worst month: June.
Frequently asked questions
What is the air quality like in Springfield in summer?▾
Across 2019–2025, the median daily AQI in Springfield in summer was 46 (Good). 59.0% of days were Good, 38.8% Moderate, and 2.2% reached Unhealthy for Sensitive Groups or worse, based on 644 monitored days in EPA's Air Quality System.
Is summer a good time for outdoor exercise in Springfield?▾
A typical summer day in Springfield sits in the Good range (median AQI 46), so running, cycling and children's outdoor play are fine for everyone on most days; about 1 day in 45 of summer days (2.2%) reached AQI 101+ in 2019–2025.
Which pollutant causes Springfield's summer air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 52.8% of summer days in Springfield. The highest summer AQI recorded in 2019–2025 was 153 (Unhealthy), in 2025.
Springfield summer air quality, year by year
Springfield summer air quality by year (Springfield, MA, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019cleanest | 92 | 44 | 0 | 93 | O3 |
| 2020 | 92 | 48 | 0 | 84 | PM2.5 |
| 2021 | 92 | 52 | 1 | 116 | PM2.5 |
| 2022 | 92 | 42 | 1 | 115 | O3 |
| 2023 | 92 | 46 | 5 | 153 | PM2.5 |
| 2024 | 92 | 45 | 2 | 119 | O3 |
| 2025worst | 92 | 49 | 5 | 124 | O3 |
What summer air means in Springfield
A typical summer day in Springfield sits in the Good range (median AQI 46), so running, cycling and children's outdoor play are fine for everyone on most days; about 1 day in 45 of summer days (2.2%) reached AQI 101+ in 2019–2025.
Summer's median AQI of 46 is in line with Springfield's whole-year median of 44, so this period is neither a clean nor a dirty stretch for the area. Nationally, the median Summer AQI across every EPA metro area (308,645 metro-days, 2019–2025) is 46, so Springfield runs in line with the national Summer norm; 2.2% of its Summer days topped AQI 100 versus 3.6% nationally (below average).
Within the season, August is the cleanest month (median AQI 43, 1.4% of days above 100) and June the worst (median 48, 3.4% above 100).
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Springfield
The latest EPA AirNow observation puts Springfield's AQI at 33 (PM2.5). The figures above are multi-year season statistics, not today's reading.
View current Springfield air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Springfield, MA), 2019–2025. Daily AQI per CBSA is the highest AQI reported by any monitor in the area that day; the defining parameter is the pollutant that set it. Month and season statistics pool every such day in the period across all years listed. Retrieved 2026-09-09.