Air Quality in Hampden, Massachusetts

55
Current AQI: Moderate
Primary pollutant: PM2.5 · Updated 03/29/26
37
Median AQI (2024)
119
Max AQI (2024)
→ stable
10-Year Trend
Ozone
Primary Pollutant
290
Good Days (2024)
2
Monitoring Stations

AQI Trend (Median)

Air Quality Days by Category

Annual Summary

YearMedian AQIMax AQI Good DaysModerate DaysUnhealthy Days Ozone DaysPM2.5 Days
2024 37 119290742 227127
2023 46 1532201396 130234
2022 42 1152621021 162198
2021 46 1162151482 83278
2020 44 992491170 116249
2019 43 932601040 157201
2018 41 1262481152 179175
2017 42 112270914 190171
2016 41 161276846 219136
2015 43 1472311313 168180

Recent Daily AQI

DateAQICategoryPrimary Pollutant
Dec 31, 2024 30 GoodNO2
Dec 30, 2024 35 GoodOzone
Dec 29, 2024 61 ModeratePM2.5
Dec 28, 2024 74 ModeratePM2.5
Dec 27, 2024 67 ModeratePM2.5
Dec 26, 2024 54 ModeratePM2.5
Dec 25, 2024 38 GoodPM2.5
Dec 24, 2024 58 ModeratePM2.5
Dec 23, 2024 29 GoodPM2.5
Dec 22, 2024 35 GoodOzone
Dec 21, 2024 34 GoodOzone
Dec 20, 2024 26 GoodOzone
Dec 19, 2024 31 GoodOzone
Dec 18, 2024 45 GoodPM2.5
Dec 17, 2024 28 GoodPM2.5
Dec 16, 2024 54 ModeratePM2.5
Dec 15, 2024 51 ModeratePM2.5
Dec 14, 2024 49 GoodPM2.5
Dec 13, 2024 28 GoodOzone
Dec 12, 2024 32 GoodOzone
Dec 11, 2024 28 GoodOzone
Dec 10, 2024 31 GoodPM2.5
Dec 9, 2024 45 GoodPM2.5
Dec 8, 2024 36 GoodPM2.5
Dec 7, 2024 28 GoodOzone
Dec 6, 2024 33 GoodOzone
Dec 5, 2024 39 GoodPM2.5
Dec 4, 2024 29 GoodNO2
Dec 3, 2024 29 GoodPM2.5
Dec 2, 2024 43 GoodPM2.5
Dec 1, 2024 34 GoodPM2.5
Nov 30, 2024 28 GoodOzone
Nov 29, 2024 31 GoodOzone
Nov 28, 2024 39 GoodPM2.5
Nov 27, 2024 42 GoodPM2.5
Nov 26, 2024 32 GoodPM2.5
Nov 25, 2024 24 GoodNO2
Nov 24, 2024 28 GoodOzone
Nov 23, 2024 26 GoodOzone
Nov 22, 2024 28 GoodPM2.5
Nov 21, 2024 27 GoodOzone
Nov 20, 2024 30 GoodNO2
Nov 19, 2024 22 GoodNO2
Nov 18, 2024 31 GoodOzone
Nov 17, 2024 37 GoodOzone
Nov 16, 2024 37 GoodOzone
Nov 15, 2024 36 GoodOzone
Nov 14, 2024 32 GoodOzone
Nov 13, 2024 33 GoodOzone
Nov 12, 2024 32 GoodOzone
Nov 11, 2024 29 GoodOzone
Nov 10, 2024 34 GoodPM2.5
Nov 9, 2024 33 GoodOzone
Nov 8, 2024 32 GoodOzone
Nov 7, 2024 30 GoodOzone
Nov 6, 2024 27 GoodPM2.5
Nov 5, 2024 35 GoodOzone
Nov 4, 2024 32 GoodPM2.5
Nov 3, 2024 37 GoodPM2.5
Nov 2, 2024 22 GoodOzone
Nov 1, 2024 35 GoodPM2.5
Oct 31, 2024 59 ModeratePM2.5
Oct 30, 2024 53 ModeratePM2.5
Oct 29, 2024 31 GoodOzone
Oct 28, 2024 27 GoodOzone
Oct 27, 2024 31 GoodOzone
Oct 26, 2024 36 GoodOzone
Oct 25, 2024 29 GoodOzone
Oct 24, 2024 53 ModeratePM2.5
Oct 23, 2024 55 ModeratePM2.5
Oct 22, 2024 61 ModerateOzone
Oct 21, 2024 53 ModeratePM2.5
Oct 20, 2024 52 ModeratePM2.5
Oct 19, 2024 38 GoodPM2.5
Oct 18, 2024 36 GoodPM2.5
Oct 17, 2024 30 GoodOzone
Oct 16, 2024 28 GoodOzone
Oct 15, 2024 26 GoodPM2.5
Oct 14, 2024 21 GoodOzone
Oct 13, 2024 24 GoodPM2.5
Oct 12, 2024 35 GoodOzone
Oct 11, 2024 29 GoodOzone
Oct 10, 2024 19 GoodOzone
Oct 9, 2024 40 GoodPM2.5
Oct 8, 2024 33 GoodOzone
Oct 7, 2024 31 GoodOzone
Oct 6, 2024 35 GoodOzone
Oct 5, 2024 36 GoodOzone
Oct 4, 2024 46 GoodPM2.5
Oct 3, 2024 41 GoodPM2.5

Monitoring Stations

600 Liberty St
Springfield
Est. 2018-04-23
42.1202, -72.5845
WESTOVER AFB
Chicopee
Est. 1983-01-01
42.1944, -72.5551

Frequently Asked Questions

What is the air quality in Hampden, Massachusetts?

Based on EPA data from 2024, Hampden has a median Air Quality Index (AQI) of 37, which is classified as "Good." The primary pollutant is Ozone. Over the past 10 years, air quality has been stable.

Is Hampden a good place to live for air quality?

Hampden has a 10-year average median AQI of 42. In 2024, there were 290 days with "Good" air quality and 2 days with unhealthy conditions. No special precautions are needed for most people.

What pollutants affect Hampden the most?

The primary pollutant driving the AQI in Hampden is Ozone. This is monitored by 2 active EPA stations in the county. Other pollutants tracked include ozone, PM10, nitrogen dioxide, sulfur dioxide, and carbon monoxide.

How many air quality monitoring stations are in Hampden?

There are 2 active EPA monitoring stations in Hampden, Massachusetts. These stations continuously measure pollutant levels and contribute to the daily AQI calculations.