What is the air quality in Seymour today?

The current Air Quality Index (AQI) in Seymour is 20 (Good). PM2.5 concentration is 4.85 µg/m³.

What is the temperature in Seymour right now?

The current temperature in Seymour is 18.1°C (feels like 18.1°C). Humidity is 58.4% and wind speed is 17.7 km/h.

Is it safe to go outside in Seymour?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Seymour, United States

Drizzle

18.1°C · 58.4% humidity

18.1°

Feels 18.1°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

24 5pm

20 8pm

25 11pm

24 2am

24 5am

24 8am

24 11am

24 2pm

Air Quality Index Trend

42h · 3 stn

View full history →

Seymour's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

58.4%

Humidity

17.7 km/h

Wind NW

1018.9 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.85 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Seymour?

Temperature & Precipitation

PM2.5 Trend

42h · 3 stations

PM2.54.85 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

What is the 7-day forecast for Seymour?

05-29

18.1° 11.0°

0.25 mm

05-30

22.3° 9.5°

1.56 mm

05-31

27.1° 10.2°

06-01

24.1° 9.1°

06-02

18.5° 9.9°

06-03

26.4° 13.6°

0.19 mm

06-04

22.7° 16.9°

3.63 mm

Both models agree Avg diff: 3.7°C

Where are air quality stations near Seymour?

Waterbury, Connecticut, USA

17.3 km PM2.5: 6.2 µg/m³

What cities are near Seymour?

20 Ansonia 20 Shelton 22 Naugatuck 20 Southbury 22 Hamden 21 New Haven 20 West Haven 23 Waterbury 23 North Haven 24 Cheshire

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T00:22 UTC.