What is the air quality in Seymour today?

The current Air Quality Index (AQI) in Seymour is 20 (Good). PM2.5 concentration is 4.73 µg/m³.

What is the temperature in Seymour right now?

The current temperature in Seymour is 11.4°C (feels like 11.4°C). Humidity is 62.4% and wind speed is 35.6 km/h.

Is it safe to go outside in Seymour?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 10.9 (Extreme).

Air Quality in Seymour, United States

Partly Cloudy

11.4°C · 62.4% humidity

11.4°

Feels 11.4°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

24 7am

20 10am

24 1pm

24 4pm

24 7pm

24 10pm

24 1am

25 4am

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.

62.4%

Humidity

35.6 km/h

Wind N

1022.2 hPa

Pressure

10.9

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.73 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Seymour?

Temperature & Precipitation

PM2.5 Trend

42h · 3 stations

PM2.54.73 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX10.9

Extreme

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: 3.8°C

Where are air quality stations near Seymour?

Waterbury, Connecticut, USA

17.3 km PM2.5: 5.0 µg/m³

What cities are near Seymour?

20 Ansonia 20 Shelton 20 Naugatuck 13 Southbury 18 Hamden 19 New Haven 19 West Haven 19 Waterbury 18 North Haven 18 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 2026-05-29T14:37 UTC.