Air quality
Air quality in Delegación Cuajimalpa de Morelos today
Updated
Moderate (US AQI 63) Acceptable for most people. Unusually sensitive people should consider shortening long or heavy exertion outdoors. Model estimate for Sun, Oct 25, 2:00 pm (20:00 UTC).
Live AQI, PM2.5, PM10 and ozone for Delegación Cuajimalpa de Morelos, Mexico City, Mexico, with a 48-hour forecast and the best time to be outside.
- US AQI now
- 63 Moderate
- PM2.5
- 6.5 µg/m³ 0.4× WHO 24-h guideline
- PM10
- 6.7 µg/m³
- Ozone
- 83 µg/m³
- Dominant pollutant
- PM2.5 sub-index 63
- Best hour today
- 9:00 pm AQI 54
- European AQI
- 32
Air quality in Delegación Cuajimalpa de Morelos right now
Right now the modelled US Air Quality Index for Delegación Cuajimalpa de Morelos, Mexico City, Mexico is 63, which falls in the "Moderate" band (up to 100). Acceptable for most people. Unusually sensitive people should consider shortening long or heavy exertion outdoors.
The index is driven mainly by PM2.5, whose own sub-index is 63. Fine and coarse particles come from traffic, heating, industry, dust and smoke; they build up on calm nights and clear when wind or rain arrives.
PM2.5 is 6.5 µg/m³, within the WHO 24-hour guideline of 15 µg/m³; PM10 is 6.7 µg/m³ against a guideline of 45; ozone is 83 µg/m³ (below the WHO 8-hour level of 100); nitrogen dioxide is 12 µg/m³ (below the 24-hour guideline of 25).
Also this hour: UV index 2.4, carbon monoxide 157 µg/m³.
NASA FIRMS shows 17 fire hotspots within 300 km in the last day (nearest about 46 km), but particle levels are not elevated enough to point to smoke right now.
Delegación Cuajimalpa de Morelos AQI forecast: next 48 hours
Over the next 24 hours the AQI is forecast to range from 51 around Mon 12:00 am to 63 around Sun 2:00 pm, staying "Moderate" throughout.
The following day is expected to be worse, averaging about 64 against 56 for the next 24 hours.
| Local time (America/Mexico_City) | US AQI | Category | PM2.5 µg/m³ | PM10 µg/m³ | Ozone µg/m³ |
|---|---|---|---|---|---|
| Sun 2:00 pm | 63 | Moderate | 6.5 | 7 | 83 |
| Sun 5:00 pm | 61 | Moderate | 14.6 | 15 | 67 |
| Sun 8:00 pm | 57 | Moderate | 10.7 | 11 | 24 |
| Sun 11:00 pm | 52 | Moderate | 18 | 18 | 2 |
| Mon 2:00 am | 52 | Moderate | 19.2 | 20 | 0 |
| Mon 5:00 am | 53 | Moderate | 15.7 | 16 | 0 |
| Mon 8:00 am | 56 | Moderate | 19.3 | 20 | 23 |
| Mon 11:00 am | 59 | Moderate | 11.8 | 13 | 116 |
| Mon 2:00 pm | 61 | Moderate | 11.1 | 11 | 151 |
| Mon 5:00 pm | 68 | Moderate | 13.3 | 14 | 95 |
| Mon 8:00 pm | 64 | Moderate | 13.9 | 14 | 37 |
| Mon 11:00 pm | 62 | Moderate | 16 | 16 | 11 |
| Tue 2:00 am | 61 | Moderate | 19.3 | 19 | 3 |
| Tue 5:00 am | 62 | Moderate | 21.1 | 21 | 0 |
| Tue 8:00 am | 64 | Moderate | 25.6 | 26 | 50 |
| Tue 11:00 am | 64 | Moderate | 11 | 11 | 135 |
| Tue 2:00 pm | 63 | Moderate | 8.4 | 9 | 143 |
Every third hour of the CAMS forecast via Open-Meteo. US AQI uses rolling averages (24 h for particles, 8 h for ozone), so it moves more slowly than the hourly concentrations.
Best time to be outside in Delegación Cuajimalpa de Morelos today
Between 6 am and 9 pm local time, the cleanest air today is forecast around 9:00 pm (AQI 54, Moderate) and the worst around 2:00 pm (AQI 63). The difference across the day is small, so timing matters little.
Delegación Cuajimalpa de Morelos vs the rest of Mexico
Across 100 Mexico cities we track, the average US AQI right now is 45 (Good). Delegación Cuajimalpa de Morelos at 63 is 18 points worse than average.
It ranks 96 of 100 from cleanest to most polluted; the cleanest is Hermosillo (22) and the most polluted Jiutepec (87).
For context, the median across 3,909 cities worldwide is 56.
Air quality in cities near Delegación Cuajimalpa de Morelos
| City | Distance | US AQI | Category | PM2.5 µg/m³ |
|---|---|---|---|---|
| Huixquilucan | 6 km | 63 | Moderate | 6.5 |
| Magdalena Contreras | 9 km | 63 | Moderate | 6.5 |
| Miguel Hidalgo | 12 km | 44 | Good | 4 |
| Naucalpan de Juárez | 13 km | 44 | Good | 4 |
| Coyoacán | 14 km | 63 | Moderate | 6.5 |
| Benito Juarez | 14 km | 44 | Good | 4 |
| Tlalpan | 16 km | 63 | Moderate | 6.5 |
| Azcapotzalco | 17 km | 44 | Good | 4 |
Model vs measured
The nearest measured PM2.5 reading is 3.9 µg/m³ from Sensor.Community (median of 3 sensors), centred about 10 km from the city centre. That is close to the model estimate of 6.5 µg/m³. Low-cost sensors can read high in humid air; reference monitors are more accurate but sparser.
Advice for sensitive groups
At 63, most people are fine outdoors. If you are unusually sensitive to PM2.5, keep long or intense workouts to the cleaner hours shown above.
What the US AQI numbers mean
| US AQI | Category | What it means |
|---|---|---|
| 0-50 | Good | Air quality is satisfactory and poses little or no risk; a good time for outdoor activity. |
| 51-100 | Moderate | Acceptable for most people. Unusually sensitive people should consider shortening long or heavy exertion outdoors. |
| 101-150 | Unhealthy for Sensitive Groups | People with heart or lung disease, older adults, children and teens should cut back on prolonged or heavy exertion outdoors. |
| 151-200 | Unhealthy | Everyone should reduce prolonged or heavy exertion outdoors; sensitive groups should avoid it and keep windows closed. |
| 201-300 | Very Unhealthy | Health alert: everyone should avoid prolonged or heavy exertion outdoors, and sensitive groups should stay indoors. |
| 301-500 | Hazardous | Emergency conditions: everyone should avoid all outdoor physical activity and stay indoors with filtered air if possible. The scale tops out at 500; heavier dust or smoke is shown as 500. |
Values on this page are modelled by CAMS (Copernicus) and served by Open-Meteo; they are estimates for the area around the city centre, not readings from an official monitor.
Nearby cities
More for Delegación Cuajimalpa de Morelos
Air quality elsewhere
Data: Open-Meteo Air Quality API, Copernicus Atmosphere Monitoring Service (CAMS), Sensor.Community, NASA FIRMS.