Air Quality in Derry, United States
Windy
13.4°C · 35.3% humidity
13.4°
Feels 13.4°
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
AQI Forecast
Calibrated
21
5pm
21
21
7
8pm
7
7
19
11pm
19
19
19
2am
19
19
19
5am
19
19
19
8am
32
32
32
11am
32
57
32
2pm
32
32
Station readings
21
21
21
CAMS model
adj -18
25
25
25
25
25
25
37
37
37
37
37
37
37
37
37
37
50
50
50
50
75
50
50
50
PM2.5 Trend (24h)
23h · 1 station35.3%
Humidity
79.5 km/h
Wind SSW
1032.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
What is the weather forecast for Derry?
Temperature & Precipitation
PM2.55.14 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
5.14
Median
5.14
Average
5.14
Low
5.14
High
PM2.5 µg/m³ · Model: 23.4 · Bias: +18.3
What is the 7-day forecast for Derry?
04-09
13.4° -1.6°
04-10
18.9° 1.8°
04-11
21.6° 6.8°
04-12
17.0° 4.5°
04-13
12.1° 7.6°
6.19 mm
04-14
25.9° 13.0°
0.19 mm
04-15
22.6° 18.3°
1.94 mm
Both models agree
Avg diff: 3.9°C
Where are air quality stations near Derry?
What cities are near Derry?
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T20:27 UTC.