Stockton Air Quality in June
Across 2019–2025, Stockton's June air quality had a median AQI of 46 (Good) over 210 monitored days in the Stockton-Lodi, CA area. 1.4% of June days (3 of 210) reached Unhealthy for Sensitive Groups or worse, and ground-level ozone set the daily AQI on 61.9% of days. The cleanest June on record here was 2023 (median AQI 40, 0 days above 100) and the worst was 2021 (median 48, 2 days above 100, peak AQI 122).
- Good: 67.1%
- Moderate: 31.4%
- Unhealthy for Sensitive Groups: 1.4%
- Unhealthy or worse: 0.0%
Extra Protection for Stockton Homes
Air quality in Stockton is moderate (AQI 60), with particle pollution the main concern. A True-HEPA purifier gives sensitive groups — kids, seniors and anyone with asthma or allergies — cleaner air indoors on days like today.
Recommended: Coway AP-1512HH Mighty — True HEPA + carbon · CADR ~246 CFM · rooms up to 361 sq ft
As an Amazon Associate, we earn from qualifying purchases.
How is the air in Stockton in June?
Good on a typical day: median AQI 46 across 2019–2025, with 1.4% of June days above AQI 100. Ground-level ozone is the main driver.
- ✓67.1% of June days were Good (AQI 0–50), 31.4% Moderate (51–100).
- ✓3 days of 210 reached AQI 101+; the June peak was 122.
- ✓Best June: 2023; worst June: 2021.
Frequently asked questions
What is the air quality like in Stockton in June?▾
Across 2019–2025, the median daily AQI in Stockton in June was 46 (Good). 67.1% of days were Good, 31.4% Moderate, and 1.4% reached Unhealthy for Sensitive Groups or worse, based on 210 monitored days in EPA's Air Quality System.
Is June a good time for outdoor exercise in Stockton?▾
A typical June day in Stockton 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 71 of June days (1.4%) reached AQI 101+ in 2019–2025.
Which pollutant causes Stockton's June air quality problems?▾
Ground-level ozone set the daily AQI on 61.9% of June days in Stockton. The highest June AQI recorded in 2019–2025 was 122 (Unhealthy for Sensitive Groups), in 2021.
Stockton June air quality, year by year
Stockton June air quality by year (Stockton-Lodi, CA, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 30 | 46 | 1 | 112 | O3 |
| 2020 | 30 | 42 | 0 | 71 | O3 |
| 2021worst | 30 | 48 | 2 | 122 | O3 |
| 2022 | 30 | 44 | 0 | 100 | O3 |
| 2023cleanest | 30 | 40 | 0 | 55 | O3 |
| 2024 | 30 | 54 | 0 | 90 | PM2.5 |
| 2025 | 30 | 49 | 0 | 67 | O3 |
What June air means in Stockton
A typical June day in Stockton 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 71 of June days (1.4%) reached AQI 101+ in 2019–2025.
June's median AQI of 46 is in line with Stockton's whole-year median of 48, so this period is neither a clean nor a dirty stretch for the area. Nationally, the median June AQI across every EPA metro area (100,635 metro-days, 2019–2025) is 46, so Stockton runs in line with the national June norm; 1.4% of its June days topped AQI 100 versus 3.7% nationally (below average).
June is part of Stockton's summer season (June, July, August); the summer page pools all three months.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Stockton
The latest EPA AirNow observation puts Stockton's AQI at 60 (PM10). The figures above are multi-year month statistics, not today's reading.
View current Stockton air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Stockton-Lodi, CA), 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.