Tree Pollen Count in North San Ysidro, NM
Last updated Friday, November 6, 2026
This page shows the most recent reading available for North San Ysidro — from Friday, November 6, 2026 (1 day ago) — not today's reading.
Pollen by type in North San Ysidro
What is the tree pollen count in North San Ysidro today?
The North San Ysidro tree pollen index today is 0.6 (Low) on Pollen Atlas’s modelled 0–100 scale. Low
Modelled pollen risk index — not a measured count.
North San Ysidro’s overall pollen count today is 5 (Low) across all types. See the full North San Ysidro pollen count for the overall index and every type together.
North San Ysidro Tree Pollen Count: 5-Day Forecast
| Day | Overall index | Category |
|---|---|---|
| Friday, November 6 | 5 | Low |
| Saturday, November 7 | 5 | Low |
| Sunday, November 8 | 5 | Low |
| Monday, November 9 | 5 | Low |
| Tuesday, November 10 | 5 | Low |
Pollen Atlas models the daily detail as an overall index: day-by-day splits by individual pollen type are not part of the modelled data, so this table shows North San Ysidro’s overall trend across the week. Today’s tree pollen reading is the headline above.
Species driving North San Ysidro’s tree pollen
Species-level counts are not part of the modelled data Pollen Atlas publishes — the modelled index is reported per pollen type, not per species — so this section gives the type summary: tree pollen reads 0.6 (Low) today. The plant-by-plant detail that is available, from the Google Pollen API, is in the next section.
Plants affecting North San Ysidro now — tree pollen
Detailed plant-by-plant readings for the tree pollen category were not returned in today’s source data for North San Ysidro. The type summary stands: tree pollen reads 0.6 (Low) today.
In the Mountain West pattern, the plants that typically shape this city’s year are spring trees and late-spring grasses in a compressed warm-season window — named here as regional context only, not as today’s readings.
Plant detail returns here automatically on any day the feed includes it.
What this tree pollen level means
Low risk. Keep windows open; consider allergy meds only if sensitive.
Enjoy outdoor activities.
Juniper can arrive in late winter, and the main tree wave builds in spring — as late as April at Denver’s altitude. This month sits outside the usual tree pollen window for the Mountain West pattern, so today’s tree pollen reading is the modelled value outranking the calendar — this page reports the modelled reading first. The New Mexico allergy season guide singles out juniper and elm in spring, and chenopod and ragweed-family weeds after the monsoon.
North San Ysidro allergies today
North San Ysidro allergies today are set by the same reading as the North San Ysidro pollen count today: the Total Pollen Index is 5 (Low), and the tree pollen index on this page is 0.6 (Low) of it. When people ask about North San Ysidro allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for North San Ysidro.
Allergies in North San Ysidro follow the New Mexico calendar set out on the full North San Ysidro page — the chapters, the plants behind them, and the 5-day forecast show whether today is typical for the season or an exception to it. If you are checking allergies today in North San Ysidro before heading outdoors, the tree pollen split on this page is the part to read: it shows whether this pollen type is doing the work today, not just how high the total sits.
Read the five-day overall trend above as the North San Ysidro allergy forecast for the tree pollen season: it shows whether North San Ysidro allergies are set to ease or build across the week, day by day — the days to plan outdoor time around are the ones where the overall index steps down, not just today.
North San Ysidro grass pollen count
North San Ysidro ragweed pollen count
See North San Ysidro on the pollen map
Every pollen type, with photos and seasons: the pollen directory
Pollen indexes: a modelled pollen risk index computed by Pollen Atlas from open weather, vegetation and phenology data, calibrated against CDC/NAB season data. Plant detail: Google Pollen API. Index values are modelled, not measured counts. Sources: CDC/NAB; USA-NPN; GBIF (CC BY); ESA WorldCover (CC BY 4.0).