Hagerstown, Maryland, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
February Air Quality Analysis
Hagerstown, Maryland, United States
AQI Trends: Highest and Lowest
Same Day Analysis (17th February):
On this day, AQI across the 1 years varied significantly: 2026 ranks 1st highest AQI at 36 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 16th Feb - 17th Feb 2026
Hagerstown, Maryland, United States
7 AM16th Feb 2026
5 PM
6 AM17th Feb 2026
64AQI
21AQI
54AQI
20AQI
In the last 24 hours,
Hagerstown's AQI reached its highest point of 64 at 2 PM during the Day, while the lowest point, 20, was recorded at 6 AM during the Night between 16th Feb and 17th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Hagerstown, Maryland, United States
-2°C-6/3°C
-7°C-11/-2°C
-4°C-12/7°C
5°C2/11°C
0°C-11/6°C
-11°C-15/-6°C
-10°C-11/-6°C
-10°C-13/-5°C
-11°C-18/-4°C
-12°C-19/-6°C
-13°C-18/-7°C
-14°C-18/-8°C
-14°C-20/-6°C
-11°C-17/-4°C
-7°C-15/2°C
-3°C-10/4°C
-3°C-9/1°C
-8°C-14/-1°C
-7°C-15/-2°C
-9°C-13/-9°C
-10°C-13/-6°C
-8°C-17/-1°C
0°C-5/6°C
4°C1/6°C
0°C-2/3°C
1°C-3/7°C
5°C-2/17°C
5°C1/13°C
3°C1/7°C
4°C0/11°C
48AQI
31AQI
46AQI
28AQI
2026 Days Vs Air Quality
Hagerstown, Maryland, United States
94%
45
6%
3
Total number of days with different AQI categories in last 49 days in 2026 (316 days remaining)
Under WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2026, 94% of 49 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Hagerstown, Maryland, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
13AQI (US)
18AQI (US)
41AQI (US)
51AQI (US)
50AQI (US)
65AQI (US)
47AQI (US)
24AQI (US)
36AQI (US)
35AQI (US)
17AQI (US)
15AQI (US)
20AQI (US)
20AQI (US)
18AQI (US)
15AQI (US)
21AQI (US)
35AQI (US)
22AQI (US)
15AQI (US)
27AQI (US)
42AQI (US)
40AQI (US)
46AQI (US)
37AQI (US)
41AQI (US)
28AQI (US)
26AQI (US)
42AQI (US)
51AQI (US)
40AQI (US)
38AQI (US)
41AQI (US)
41AQI (US)
32AQI (US)
41AQI (US)
44AQI (US)
30AQI (US)
42AQI (US)
41AQI (US)
40AQI (US)
31AQI (US)
25AQI (US)
28AQI (US)
29AQI (US)
33AQI (US)
36AQI (US)
36AQI (US)
32AQI (US)
36AQI (US)
No. of days
202633AQI (US)
Highest AQI (US) recorded in
February36AQI (US)
Lowest AQI (US) recorded in
January32AQI (US)
202533AQI (US)
Highest AQI (US) recorded in
June41AQI (US)
Lowest AQI (US) recorded in
May24AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Hagerstown's annual 2026 AQI (US) (33) shows an average percentage change of 2.7% (worsened AQI (US)) compared to previous years: 2025 (33).