Air Quality in Cambridge, United States

Partly Cloudy
15.5°C · 68.4% humidity
15.5°
Feels 15.5°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
6 stations

Nearby Monitoring Stations

AQI Forecast
25 4pm
25
25
30 7pm
29
30
36 10pm
35
55
55 1am
54
54
54 4am
54
54
54 7am
34
27
25 10am
25
25
25 1pm
25
25
AD 728×90

Air Quality Index Trend

47h · 2 stn

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

68.4%
Humidity
16.2 km/h
Wind W
999.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
30
7.29 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Cambridge?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.57.29 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (6 stations within 25 km)
7.29
Median
7.56
Average
5.38
Low
9.8
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -1.4

What is the 7-day forecast for Cambridge?

06-08
29.9° 13.0°
0.19 mm
06-09
34.8° 13.9°
0.06 mm
06-10
22.5° 12.4°
1.81 mm
06-11
25.8° 9.8°
06-12
21.5° 14.7°
1.25 mm
06-13
30.7° 17.2°
0.5 mm
06-14
24.6° 9.1°
6.5 mm
Both models agree Avg diff: 6.4°C

Where are air quality stations near Cambridge?

51
Boston
4.2 km PM2.5: 12.1 µg/m³
57
Boston
4.2 km PM2.5: 15.0 µg/m³
23
Nubian Square - DEP Station
5.4 km PM2.5: 5.4 µg/m³
25
Boston Roxbury
5.4 km PM2.5: 6.0 µg/m³
52
Milton Blue Hill Observatory
18.2 km PM2.5: 12.6 µg/m³

What cities are near Cambridge?

31 Somerville 29 Allston 29 Back Bay 28 Fenway/Kenmore 32 Charlestown 34 Boston 28 Mission Hill 30 Medford 28 Brookline 30 Brighton
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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 2026-06-08T23:19 UTC.