White Plains Air Quality in April
Across 2019–2025, White Plains's April air quality had a median AQI of 51 (Moderate) over 210 monitored days in the New York-Newark-Jersey City, NY-NJ-PA area. 1.4% of April days (3 of 210) reached Unhealthy for Sensitive Groups or worse, and ground-level ozone set the daily AQI on 49.0% of days. The cleanest April on record here was 2020 (median AQI 45, 0 days above 100) and the worst was 2023 (median 54, 2 days above 100, peak AQI 140).
- Good: 48.6%
- Moderate: 50.0%
- Unhealthy for Sensitive Groups: 1.4%
- Unhealthy or worse: 0.0%
Improve Indoor Air Quality
Even with good outdoor air in White Plains, indoor PM2.5, dust and allergens build up. A True-HEPA purifier keeps a bedroom or office consistently clean.
Recommended: Levoit Core 400S — True HEPA · CADR ~141 CFM · rooms up to 219 sq ft
As an Amazon Associate, we earn from qualifying purchases.
How is the air in White Plains in April?
Moderate on a typical day: median AQI 51 across 2019–2025, with 1.4% of April days above AQI 100. Ground-level ozone is the main driver.
- ✓48.6% of April days were Good (AQI 0–50), 50.0% Moderate (51–100).
- ✓3 days of 210 reached AQI 101+; the April peak was 140.
- ✓Best April: 2020; worst April: 2023.
Frequently asked questions
What is the air quality like in White Plains in April?▾
Across 2019–2025, the median daily AQI in White Plains in April was 51 (Moderate). 48.6% of days were Good, 50.0% Moderate, and 1.4% reached Unhealthy for Sensitive Groups or worse, based on 210 monitored days in EPA's Air Quality System.
Is April a good time for outdoor exercise in White Plains?▾
A typical April day in White Plains is Moderate (median AQI 51): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 71 of April days (1.4%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
Which pollutant causes White Plains's April air quality problems?▾
Ground-level ozone set the daily AQI on 49.0% of April days in White Plains. The highest April AQI recorded in 2019–2025 was 140 (Unhealthy for Sensitive Groups), in 2023.
White Plains April air quality, year by year
White Plains April air quality by year (New York-Newark-Jersey City, NY-NJ-PA, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 30 | 54 | 0 | 69 | PM2.5 |
| 2020cleanest | 30 | 45 | 0 | 57 | O3 |
| 2021 | 30 | 54 | 0 | 93 | PM2.5 |
| 2022 | 30 | 48 | 0 | 87 | O3 |
| 2023worst | 30 | 54 | 2 | 140 | O3 |
| 2024 | 30 | 52 | 0 | 98 | O3 |
| 2025 | 30 | 50 | 1 | 101 | O3 |
What April air means in White Plains
A typical April day in White Plains is Moderate (median AQI 51): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 71 of April days (1.4%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
April's median AQI of 51 is in line with White Plains's whole-year median of 54, so this period is neither a clean nor a dirty stretch for the area. Nationally, the median April AQI across every EPA metro area (100,677 metro-days, 2019–2025) is 44, so White Plains runs above the national April norm; 1.4% of its April days topped AQI 100 versus 0.7% nationally (about the same).
April is part of White Plains's spring season (March, April, May); the spring page pools all three months.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in White Plains
The latest EPA AirNow observation puts White Plains's AQI at 45 (PM2.5). The figures above are multi-year month statistics, not today's reading.
View current White Plains air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (New York-Newark-Jersey City, NY-NJ-PA), 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.