Toggle navigation
Places
CAQI (Europe)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
English
Français
Deutsch
日本語
한국어
简体中文
繁體中文
North America
United States
Colorado
Costilla County
CAQI (Europe)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Costilla County
Colorado
2025-03-18 11:00
CAQI (Europe)
Very Low
Pollutants
PM10
μg/m³
8.9
PM2.5
μg/m³
2.9
Weather
℃
℃
℉
4℃
38%
40 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
CAQI (Europe)
CAQI (Europe)
PM10
PM2.5
Places included
San Luis
AQI 9
Get the App
Scan QR Code
Air Matters
Realtime broadcasting air quality information on your phone for more than 180 countries.
iPhone, iPad
Android
Scan QR Code to Download App
iOS
Google Play
Download APK
Cities Nearby
San Luis
AQI 9
Sanford
AQI 32
La Jara
AQI 32
Alamosa
AQI 32
Questa
AQI 18
Taos Ski Valley
AQI 1
Hooper
AQI 9
Monte Vista
AQI 32
Eagle Nest
AQI 18
Aguilar
AQI 6
Taos Pueblo
AQI 1
Air Matters © 2025