Monessen, Pennsylvania, 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
Monessen, Pennsylvania, United States
AQI Trends: Highest and Lowest
Same Day Analysis (6th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 44 of Good air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 5th Feb - 6th Feb 2026
Monessen, Pennsylvania, United States
7 AM5th Feb 2026
5 PM
6 AM6th Feb 2026
83AQI
44AQI
72AQI
30AQI
In the last 24 hours,
Monessen's AQI reached its highest point of 83 at 3 PM during the Day, while the lowest point, 30, was recorded at 6 AM during the Night between 5th Feb and 6th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Monessen, Pennsylvania, United States
8°C2/15°C
12°C6/20°C
8°C4/13°C
1°C-1/2°C
0°C-1/6°C
5°C-1/13°C
6°C3/8°C
-6°C-9/-5°C
-4°C-8/0°C
0°C-4/4°C
-7°C-9/-5°C
-7°C-12/-2°C
-11°C-15/-5°C
-4°C-13/7°C
2°C-2/5°C
-5°C-15/1°C
-13°C-17/-7°C
-6°C-10/-2°C
-10°C-15/-8°C
-14°C-21/-8°C
-15°C-21/-9°C
-15°C-20/-9°C
-15°C-22/-9°C
-16°C-23/-9°C
-13°C-21/-7°C
-9°C-16/-3°C
-3°C-6/-1°C
-5°C-8/-3°C
-9°C-18/-6°C
-5°C-8/-2°C
50AQI
35AQI
45AQI
32AQI
2026 Days Vs Air Quality
Monessen, Pennsylvania, United States
76%
28
24%
9
Total number of days with different AQI categories in last 38 days in 2026 (327 days remaining)
Under WHO’s Safe Air Quality Limits: 76%
Health Risk Level:
Low
In 2026, 76% of 38 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Monessen, Pennsylvania, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
13AQI (US)
19AQI (US)
53AQI (US)
56AQI (US)
63AQI (US)
48AQI (US)
32AQI (US)
45AQI (US)
29AQI (US)
25AQI (US)
18AQI (US)
22AQI (US)
23AQI (US)
15AQI (US)
11AQI (US)
20AQI (US)
23AQI (US)
26AQI (US)
26AQI (US)
19AQI (US)
32AQI (US)
58AQI (US)
60AQI (US)
50AQI (US)
53AQI (US)
50AQI (US)
38AQI (US)
47AQI (US)
58AQI (US)
66AQI (US)
45AQI (US)
47AQI (US)
52AQI (US)
49AQI (US)
45AQI (US)
50AQI (US)
44AQI (US)
37AQI (US)
48AQI (US)
No. of days
202639AQI (US)
Highest AQI (US) recorded in
February48AQI (US)
Lowest AQI (US) recorded in
January37AQI (US)
202535AQI (US)
Highest AQI (US) recorded in
June45AQI (US)
Lowest AQI (US) recorded in
May23AQI (US)
202434AQI (US)
Highest AQI (US) recorded in
June48AQI (US)
Lowest AQI (US) recorded in
November27AQI (US)
202343AQI (US)
Highest AQI (US) recorded in
June76AQI (US)
Lowest AQI (US) recorded in
October27AQI (US)
202240AQI (US)
Highest AQI (US) recorded in
April47AQI (US)
Lowest AQI (US) recorded in
August32AQI (US)
202140AQI (US)
Highest AQI (US) recorded in
July49AQI (US)
Lowest AQI (US) recorded in
October31AQI (US)
202032AQI (US)
Highest AQI (US) recorded in
November41AQI (US)
Lowest AQI (US) recorded in
March20AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Monessen's annual 2026 AQI (US) (39) shows an average percentage change of 4.5% (worsened AQI (US)) compared to previous years: 2020 (32), 2021 (40), 2022 (40), 2023 (43), 2024 (34), 2025 (35).