Hour-by-hour environmental exposure forecast for Chelsea, New York City. Know when to go out and when to stay in.

Air Quality Index 45
Temperature188.1°F
Humidity32.0%
Wind Speed5.3 mph
NOTICE: Safety and air quality are subjective and fluctuate in real-time. This report is a data-driven starting point. Always exercise personal judgment, stay aware of your surroundings, and consult official local law enforcement or health department resources for real-time safety and health advice.
Good 45 AQI · Total Lung Freedom Updated: May 17, 1:29 PM

The coastal location influences local environmental conditions through consistent sea breezes and maritime air. The waterfront location creates a unique microclimate with moderated temperatures and coastal air quality patterns.

In line with average conditions across New York City

24-Hour AQI Trend

AQI trend chart — current reading: 45 (Total Lung Freedom). May 17, 1:29 PM.

Pollutant Breakdown

PM2.5 7.30 µg/m³ Fine particulate matter — penetrates deep into lungs
PM10 7.70 µg/m³ Coarse particulate matter — dust and pollen
NO₂ 4.90 ppb Nitrogen dioxide — traffic and combustion marker
O₃ 153.00 ppb Ground-level ozone — forms in sunlight from pollutants

Peer Comparison

In line with average conditions across New York City

Chelsea, New York City
45

Why Chelsea, New York City's Air Is What It Is

The Hudson River corridor channels winds through Chelsea, New York City, providing natural ventilation that reduces pollutant accumulation compared to inland neighborhoods. Tall buildings lining narrow streets create canyon effects that can concentrate pollutants at sidewalk level, especially along busier thoroughfares during peak traffic. Being near high-traffic routes exposes Chelsea, New York City to elevated vehicle emissions — concentrations of nitrogen dioxide and particulate matter tend to be higher within a few hundred meters of major roads. The soundscape in Chelsea, New York City is shaped by its urban intensity — consistent traffic, pedestrian activity, and commercial bustle create an energetic but audible environment.

Historical Context

Current AQI of 45 reflects recent monitoring data. Local conditions can shift with weather patterns, traffic volume, and seasonal factors.

24-Hour Hourly Forecast

Best window: 10:00 (AQI 43) · Peak AQI: 112 at 19:00

TimeAQITemp (°F)HumidityWind (mph)PM2.5PM10
00:0056159.148%5.79.19.9
01:0054157.347%3.79.49.9
02:0053156.649%4.210.711.1
03:0051155.353%4.812.112.7
04:0050152.857%2.512.513.4
05:0049149.964%2.211.312.1
06:0048148.365%2.310.110.7
07:0046153.570%2.29.710.2
08:0044158.070%4.29.19.6
09:0044164.365%5.18.89.3
10:0043168.162%3.98.99.4
11:0044174.753%3.08.69.3
12:0044183.638%2.57.98.5
13:0045187.533%5.07.37.7
14:0050190.929%5.46.87.2
15:0068193.625%6.86.37.0
16:0085187.739%6.27.17.9
17:00100183.945%5.57.58.5
18:00109179.647%5.89.210.4
19:00112173.353%5.212.113.2
20:00106166.157%3.815.116.1
21:0094161.461%2.917.518.6
22:0076158.565%1.320.121.1
23:0053156.668%2.222.423.5

Air quality is forecast to be good for most of the day. Great time for outdoor activities!

When to Go Outside in Chelsea, New York City. Timing is everything when it comes to air quality. The forecast for Chelsea, New York City shows the cleanest air during 10:00 (AQI 43) and the most challenging conditions around 19:00 (AQI 112). Many find this information helpful for planning outdoor activities. Health Advisory for Chelsea, New York City. Based on current forecasts, Air quality is forecast to be good for most of the day. Great time for outdoor activities! Keep monitoring the live data for real-time changes.

Explore More in Chelsea, New York City

Disclaimer: The information provided on this site is for informational purposes only and does not constitute professional advice. Air quality, safety, and environmental data are subject to change and may not reflect real-time conditions. Always verify with official local sources before making decisions that affect your health or safety.