Air Quality in Swansea, United States

Heavy Rain
17.7°C · 95.5% humidity
17.7°
Feels 17.7°
37
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations

Nearby Monitoring Stations

AQI Forecast
54 2pm
34
34
37 5pm
34
34
27 8pm
27
27
25 11pm
25
25
27 2am
25
24
24 5am
24
24
25 8am
25
25
27 11am
25
25
AD 728×90

Air Quality Index Trend

45h · 4 stn

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

95.5%
Humidity
123.8 km/h
Wind NNE
1008.3 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
37
8.88 µg/m³
PM10
38
41.15 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

45h · 4 stations
PM2.58.88 µg/m³ ✓ WHO
Good
PM1041.15 µg/m³
Good
UV INDEX5.9
High
AD 300×250
8.88
Median
8.06
Average
5.0
Low
9.6
High
PM2.5 µg/m³ · Model: 17.65 · Bias: +8.8
07-21
23.7° 19.0°
17.94 mm
07-22
22.0° 16.6°
13.69 mm
07-23
29.0° 16.9°
1.31 mm
07-24
25.4° 16.8°
2.69 mm
07-25
29.4° 20.2°
11.94 mm
07-26
23.3° 18.1°
07-27
25.9° 15.0°
22.88 mm
Get AQI alerts for Swansea

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T21:45 UTC.