Around the island

Showing 1-hr PM2.5 in µg/m³. Tap a region to see it above.

Free N95 masks

Seniors and CHAS Blue/Orange cardholders: any vending machine (24 hours) or Community Club.

Pregnant, children 7 to 16, medical conditions: Community Clubs only.

Who can get them, and where

Central

NEA advice for the next hour

Continue

with normal activities.

Based on the 1-hr PM2.5 band (Normal).

NEA advice for the day

PSI 65Moderate

Healthy persons: Normal activities
Elderly, pregnant women, children: Normal activities
Persons with chronic lung disease, heart disease: Normal activities

Based on the 24-hr PSI band.

At home

Fine to keep the windows open.

Going out

Outdoor activities are fine.

PSI Haze alerts

Get a notification on this device when the haze gets serious. No app or sign-up needed.

When 1-hr PM2.5 turns High or Very highRight-now air in any region; and when it easesWhen 24-hr PSI goes above 200Once when it crosses, once when it drops backEvery hour: latest readingsHighest 1-hr PM2.5 and NEA's adviceMorning summary at 7amCentral's PSI and NEA's advice

How the readings are graded

1-hr PM2.5 (µg/m³)

Normal0–55
Elevated56–150
High151–250
Very high251+

24-hr PSI

Good0–50
Moderate51–100
Unhealthy101–200
Very unhealthy201–300
Hazardous301+

What do these numbers mean?

PSI Haze

Loading the latest NEA readings…

PSI Haze alerts

Get a notification on this device when the haze gets serious. No app or sign-up needed.