Winnipeg, Manitoba, Canada Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
March Air Quality Analysis
Winnipeg, Manitoba, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (5th March):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 74 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Mar - 5th Mar 2026
Winnipeg, Manitoba, Canada
7 AM4th Mar 2026
5 PM
6 AM5th Mar 2026
96AQI
50AQI
91AQI
34AQI
In the last 24 hours,
Winnipeg's AQI reached its highest point of 96 at 7 AM during the Day, while the lowest point, 34, was recorded at 2 AM during the Night between 4th Mar and 5th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Winnipeg, Manitoba, Canada
-10°C-16/-3°C
-1°C-7/6°C
-15°C-24/-12°C
-11°C-20/-6°C
-3°C-6/-1°C
-2°C-10/2°C
-10°C-17/-6°C
-12°C-22/-4°C
-3°C-6/0°C
-5°C-14/3°C
-5°C-9/-2°C
-3°C-9/4°C
-7°C-13/1°C
-5°C-11/2°C
-3°C-5/-2°C
-6°C-10/-3°C
-14°C-18/-13°C
-16°C-22/-12°C
-20°C-26/-17°C
-17°C-27/-10°C
-12°C-19/-8°C
-19°C-27/-13°C
-10°C-18/-3°C
-8°C-20/1°C
-25°C-30/-19°C
-20°C-34/-9°C
-8°C-15/-1°C
-11°C-15/-4°C
-11°C-13/-8°C
-11°C-15/-7°C
50AQI
43AQI
53AQI
45AQI
2026 Days Vs Air Quality
Winnipeg, Manitoba, Canada
80%
51
20%
13
Total number of days with different AQI categories in last 65 days in 2026 (300 days remaining)
Under WHO’s Safe Air Quality Limits: 80%
Health Risk Level:
Low
In 2026, 80% of 65 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
Winnipeg, Manitoba, Canada
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
15AQI (US)
16AQI (US)
19AQI (US)
22AQI (US)
43AQI (US)
27AQI (US)
36AQI (US)
33AQI (US)
44AQI (US)
14AQI (US)
23AQI (US)
19AQI (US)
18AQI (US)
14AQI (US)
16AQI (US)
16AQI (US)
19AQI (US)
15AQI (US)
25AQI (US)
25AQI (US)
18AQI (US)
58AQI (US)
63AQI (US)
57AQI (US)
56AQI (US)
43AQI (US)
40AQI (US)
44AQI (US)
46AQI (US)
48AQI (US)
40AQI (US)
49AQI (US)
54AQI (US)
45AQI (US)
43AQI (US)
48AQI (US)
46AQI (US)
36AQI (US)
40AQI (US)
46AQI (US)
47AQI (US)
60AQI (US)
91AQI (US)
55AQI (US)
62AQI (US)
64AQI (US)
48AQI (US)
42AQI (US)
41AQI (US)
42AQI (US)
38AQI (US)
38AQI (US)
32AQI (US)
35AQI (US)
41AQI (US)
36AQI (US)
41AQI (US)
34AQI (US)
35AQI (US)
34AQI (US)
47AQI (US)
75AQI (US)
86AQI (US)
74AQI (US)
31AQI (US)
46AQI (US)
63AQI (US)
No. of days
202640AQI (US)
Highest AQI (US) recorded in
March63AQI (US)
Lowest AQI (US) recorded in
January31AQI (US)
202534AQI (US)
Highest AQI (US) recorded in
July51AQI (US)
Lowest AQI (US) recorded in
April20AQI (US)
202418AQI (US)
Highest AQI (US) recorded in
December37AQI (US)
Lowest AQI (US) recorded in
February4AQI (US)
202332AQI (US)
Highest AQI (US) recorded in
June55AQI (US)
Lowest AQI (US) recorded in
December14AQI (US)
202227AQI (US)
Highest AQI (US) recorded in
August39AQI (US)
Lowest AQI (US) recorded in
June15AQI (US)
202131AQI (US)
Highest AQI (US) recorded in
July69AQI (US)
Lowest AQI (US) recorded in
March21AQI (US)
202025AQI (US)
Highest AQI (US) recorded in
December27AQI (US)
Lowest AQI (US) recorded in
October12AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Winnipeg's annual 2026 AQI (US) (40) shows an average percentage change of 52.1% (worsened AQI (US)) compared to previous years: 2020 (25), 2021 (31), 2022 (27), 2023 (32), 2024 (18), 2025 (34).