Place report · United States
Scotch Plains, United States Air quality today
Air quality in Scotch Plains, United States currently reads AQI 25 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 25
Good
- PM2.5, fine particles (µg/m³)
- 4.5
- tree cover
- 76.2%
- trees in this area
- 135K
- more trees needed
- 0
Measured across a 0.9 mi (1.5 km) radius around Scotch Plains, United States (2.7 sq mi), from a satellite image of Sep 8, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Scotch Plains, United States · AQI 25 (Good)
Scotch Plains, United States's tree count comes to 134,657 trees across 2.7 sq mi (7.07 km²), already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Scotch Plains, United States today: AQI 25, Good
Main pollutant: PM2.5 · Observed Nov 11, 00:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · Rahway PM, 3.6 mi (5.8 km) away
Health signal
Air quality is satisfactory for everyone.
PM2.5
4.5
PM10
—
NO₂
—
O₃
—
SO₂
—
CO
—
Data: OpenAQ · AirNow
- Outdoor exercise
- A good day to be active outside
- Windows
- Open them to air the house
- Mask
- Not needed
- Air purifier
- Not needed
Over the last 7 days, the CAMS air-quality model put Scotch Plains, United States's daily AQI at 31 on average, from 20 on Nov 8 to an hourly peak of 77 on Nov 6.
Where Scotch Plains, United States stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Scotch Plains, United States: Healthy tree cover
76.2% tree cover against a 30% healthy-neighborhood target, across 2.7 sq mi (7.07 km²).
Trees in this area
134,657
Target trees
134,657
More trees needed
0
CO₂ if planted / yr
0 kg
Frequently asked
Questions about Scotch Plains, United States
What is the air quality (AQI) in Scotch Plains, United States right now?
The latest reading for Scotch Plains, United States shows an AQI of 25 (Good), measured Nov 11, 00:00 local time by the Rahway PM ground monitoring station, 3.6 mi (5.8 km) away, via OpenAQ. The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Scotch Plains, United States today?
At AQI 25 (Good): a good day to be active outside. Windows: open them to air the house. Masks: not needed. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Scotch Plains, United States been like this week?
Over the last 7 days, the CAMS air-quality model put Scotch Plains, United States's daily AQI at 31 on average, from 20 on Nov 8 to an hourly peak of 77 on Nov 6. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
What is the tree count in Scotch Plains, United States?
Scotch Plains, United States has an estimated 134,657 trees across the 2.7 sq mi (7.07 km²) measured — 76.2% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Scotch Plains, United States need?
Scotch Plains, United States has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Scotch Plains, United States's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Scotch Plains, via OpenAQ; the 7-day trend is the Open-Meteo / CAMS model's estimate. Tree cover is measured from Sentinel-2 L2A (ESA Copernicus) via Earth Search satellite imagery at 10 m detail across a 0.9 mi (1.5 km) radius around Scotch Plains; the tree count is an estimate derived from that cover.
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