Ajax
Canada · 223K
Lifestyle Calendar
When this city supports your activity — and when it fights you.
Ajax
Canada
Dinner Outside6 – 10 pm
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Verdict
Jan: 0% viability
0Feb: 0% viability
0Mar: 3% viability
3Apr: 16% viability
16May: 58% viability
58Jun: 79% viability
79Jul: 85% viability
85Aug: 85% viability
85Sep: 70% viability
70Oct: 22% viability
22Nov: 1% viability
1Dec: 0% viability
0Cold
Friction Breakdown
Heat
Cold
Wind
Rain
Humid
Air Q.
Best months: Jun–SepChallenging: Jan–Apr, Oct–Dec
ComfortableModerateUncomfortable
Based on 2014–2024 hourly climate data · Updated Mar 2025Confidence: ●●●
Air Quality Profile
Annual and monthly PM2.5 levels against WHO guidelines.
Ajax
Canada
Annual Average
GoodWHO annual classification
6.5µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
5.95.9 µg/m³ — Good
6.06.0 µg/m³ — Good
5.85.8 µg/m³ — Good
5.05.0 µg/m³ — Excellent
7.17.1 µg/m³ — Good
7.37.3 µg/m³ — Good
7.97.9 µg/m³ — Good
7.57.5 µg/m³ — Good
5.85.8 µg/m³ — Good
5.75.7 µg/m³ — Good
7.37.3 µg/m³ — Good
6.86.8 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
5.95.9 µg/m³ — Good
6.06.0 µg/m³ — Good
5.85.8 µg/m³ — Good
5.05.0 µg/m³ — Excellent
7.17.1 µg/m³ — Good
7.37.3 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
7.97.9 µg/m³ — Good
7.57.5 µg/m³ — Good
5.85.8 µg/m³ — Good
5.75.7 µg/m³ — Good
7.37.3 µg/m³ — Good
6.86.8 µg/m³ — Good
Best months: Mar–Apr, OctWorst months: Jul–Aug, Nov
Excellent0–5 µg/m³Good5–10 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholdsConfidence: ●●●
Sun & UV Profile
Monthly sunshine, sky clarity, and UV exposure patterns.
Ajax
Canada
Annual Summary
Sunshine
2,161hrs/yr
Clear sky
42%
Worst month
1.1hrs/day
Vit D months
6.1months
UV 8+ days
8days/yr
UV 11+ days
0days/yr
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Daily hrs
4.74.7 hrs — Moderate
7.07.0 hrs — Good
8.88.8 hrs — Sunny
9.79.7 hrs — Sunny
1111 hrs — Very Sunny
1212 hrs — Very Sunny
1212 hrs — Very Sunny
1111 hrs — Very Sunny
9.49.4 hrs — Sunny
7.07.0 hrs — Good
5.95.9 hrs — Moderate
4.04.0 hrs — Low
Jan
Feb
Mar
Apr
May
Jun
4.74.7 hrs — Moderate
7.07.0 hrs — Good
8.88.8 hrs — Sunny
9.79.7 hrs — Sunny
1111 hrs — Very Sunny
1212 hrs — Very Sunny
Jul
Aug
Sep
Oct
Nov
Dec
1212 hrs — Very Sunny
1111 hrs — Very Sunny
9.49.4 hrs — Sunny
7.07.0 hrs — Good
5.95.9 hrs — Moderate
4.04.0 hrs — Low
Best months: May–JulWorst months: Jan, Nov–Dec
LowModerateGoodSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●