Pollen Monitor
Daily pollen insights

Daily pollen overview

Lancaster pollen count

Latest detail and daily averages and peaks across all 390 captured day(s).

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Risk levels use category-specific National Allergy Bureau thresholds. Weed is labeled Ragweed because it is the sole weed species in the current multi-region dataset.

Latest daily detail

Tue, Oct 13, 2026. Daily averages and highest observed values.

America/Los_Angeles

Total

15

Average

32

Peak

Tree

None

0

Average

0

Peak

Grass

None

0

Average

0

Peak

Ragweed

Moderate

15

Average

32

Peak

Values are modeled grains/m³. Risk badges use the daily peak for each category.

Species breakdown

Daily average grains/m³ for each reported allergen.

Tree

Ash0
Elm0
Oak0
Pine0
Birch0
Maple0
Mulberry0
Poplar/Cottonwood0
Cypress/Juniper/Cedar0

Grass

Grass0

Ragweed

Ragweed15

Complete daily history

Average and peak modeled grains/m³ for all 390 captured days. Scroll sideways on smaller screens.

Complete daily pollen averages and peaks, newest first
DateTotalTreeGrassRagweed
AveragePeakAveragePeakAveragePeakAveragePeak
Tue, Oct 13, 2026Latest153200001532
Mon, Oct 12, 2026121700001217
Sun, Oct 11, 2026163100001631
Sat, Oct 10, 2026121900001219
Fri, Oct 9, 2026142300001423
Thu, Oct 8, 20269200000920
Wed, Oct 7, 2026111900001119
Tue, Oct 6, 2026152100001521
Mon, Oct 5, 2026142100001421
Sun, Oct 4, 2026101400001014
Sat, Oct 3, 2026121801001117
Fri, Oct 2, 20269191300816
Thu, Oct 1, 202612183500813
Wed, Sep 30, 202611244900715
Tue, Sep 29, 2026133261600616
Mon, Sep 28, 2026172881400814
Sun, Sep 27, 2026152471200712
Sat, Sep 26, 2026142671300713
Fri, Sep 25, 202621381019001019
Thu, Sep 24, 20261114570057
Wed, Sep 23, 20261118590059
Tue, Sep 22, 2026163281600816
Mon, Sep 21, 202622401120001120
Sun, Sep 20, 2026112251100511
Sat, Sep 19, 2026153271600716
Fri, Sep 18, 2026154072000720
Thu, Sep 17, 202623321216001216
Wed, Sep 16, 2026183691800918
Tue, Sep 15, 2026173481700817
Mon, Sep 14, 2026142871400714
Sun, Sep 13, 202621321016001016
Sat, Sep 12, 2026172681300813
Fri, Sep 11, 2026183291600916
Thu, Sep 10, 2026172691300913
Wed, Sep 9, 2026152481200812
Tue, Sep 8, 2026163081500815
Mon, Sep 7, 2026112451200512
Sun, Sep 6, 2026132271100711
Sat, Sep 5, 2026162881400814
Fri, Sep 4, 202622401120001120
Thu, Sep 3, 20261926912001014
Wed, Sep 2, 2026152271000812
Tue, Sep 1, 2026122261000712
Mon, Aug 31, 2026172771012915
Sun, Aug 30, 2026152861112815
Sat, Aug 29, 202615236911813
Fri, Aug 28, 2026916460159
Thu, Aug 27, 2026710340046
Wed, Aug 26, 2026613250137
Tue, Aug 25, 20267183701410
Mon, Aug 24, 2026613350147
Sun, Aug 23, 202668230045
Sat, Aug 22, 2026710340046
Fri, Aug 21, 2026616360149
Thu, Aug 20, 2026813350157
Wed, Aug 19, 20267183701410
Tue, Aug 18, 2026716360149
Mon, Aug 17, 2026710340046
Sun, Aug 16, 2026715360148
Sat, Aug 15, 202669340045
Fri, Aug 14, 202667230034
Thu, Aug 13, 202673131202417
Wed, Aug 12, 202657230034
Tue, Aug 11, 202657230034
Mon, Aug 10, 202645220023
Sun, Aug 9, 202645220033
Sat, Aug 8, 202645220023
Fri, Aug 7, 202645220023
Thu, Aug 6, 202645220023
Wed, Aug 5, 202645220023
Tue, Aug 4, 202645220023
Mon, Aug 3, 202644111122
Sun, Aug 2, 202649121324
Sat, Aug 1, 202634002222
Fri, Jul 31, 202648002523
Thu, Jul 30, 202645003312
Wed, Jul 29, 202656003422
Tue, Jul 28, 202657003522
Mon, Jul 27, 202646003422
Sun, Jul 26, 202645003322
Sat, Jul 25, 202646003412
Fri, Jul 24, 202646003422
Thu, Jul 23, 202645003312
Wed, Jul 22, 202645003312
Tue, Jul 21, 202655003322
Mon, Jul 20, 202656003422
Sun, Jul 19, 202656003422
Sat, Jul 18, 202646003422
Fri, Jul 17, 202645003312
Thu, Jul 16, 202646003412
Wed, Jul 15, 202656003422
Tue, Jul 14, 202634002311
Mon, Jul 13, 202667004522
Sun, Jul 12, 2026113900725414
Sat, Jul 11, 202668004523
Fri, Jul 10, 202667004522
Thu, Jul 9, 2026712005834
Wed, Jul 8, 20266130045210
Tue, Jul 7, 20262459018191641
Mon, Jul 6, 20262134127121321
Sun, Jul 5, 20263713531114521972
Sat, Jul 4, 20268039113623215036179
Fri, Jul 3, 202651147102923651953
Thu, Jul 2, 2026397491718341223
Wed, Jul 1, 20264365122021301016
Tue, Jun 30, 2026386211191829914
Mon, Jun 29, 202644120123122581031
Sun, Jun 28, 2026378910231843923
Sat, Jun 27, 202658141163628691336
Fri, Jun 26, 2026572381667281221349
Thu, Jun 25, 20264582132422421018
Wed, Jun 24, 2026386211181832915
Tue, Jun 23, 202641100123120461023
Mon, Jun 22, 20264393122421451024
Sun, Jun 21, 2026398911231943923
Sat, Jun 20, 20265076142324361119
Fri, Jun 19, 2026407011211936916
Thu, Jun 18, 2026377211221833917
Wed, Jun 17, 202628548141426614
Tue, Jun 16, 202630898271541721
Mon, Jun 15, 202648110143423511125
Sun, Jun 14, 2026398111251937919
Sat, Jun 13, 202664181195631831542
Fri, Jun 12, 202659194175028941450
Thu, Jun 11, 202650123143824571128
Wed, Jun 10, 202661120183729581428
Tue, Jun 9, 202668150194233771631
Mon, Jun 8, 2026822462376401131957
Sun, Jun 7, 202660154215527661333
Sat, Jun 6, 20269829242121391211750
Fri, Jun 5, 2026952864714833911549
Thu, Jun 4, 2026922875215527881344
Wed, Jun 3, 202687196561312249817
Tue, Jun 2, 2026117462863292284949
Mon, Jun 1, 202681287642411239410
Sun, May 31, 202689209691591436517
Sat, May 30, 20261312781042262034718
Fri, May 29, 20261887211536442666922
Thu, May 28, 202618743415037627501023
Wed, May 27, 20261312351021812141818
Tue, May 26, 202620269116360228581031
Mon, May 25, 2026102374813111541622
Sun, May 24, 202670138551101121410
Sat, May 23, 202691251712021435517
Fri, May 22, 202675177601371227414
Thu, May 21, 202698210761661638616
Wed, May 20, 2026109288862421739616
Tue, May 19, 2026101265802251528612
Mon, May 18, 202617442514037325541028
Sun, May 17, 202624289820079431681136
Sat, May 16, 20261936371575712652921
Fri, May 15, 20261794131453582563931
Thu, May 14, 202619438115533228491124
Wed, May 13, 202625560420445736961451
Tue, May 12, 202617949114337226781041
Mon, May 11, 20261644251303722559920
Sun, May 10, 20262332,1511982,01027120921
Sat, May 9, 202619973616464426701035
Fri, May 8, 2026263659214572361201330
Thu, May 7, 202623454419647226471225
Wed, May 6, 20262575412305122139516
Tue, May 5, 20262861,1532641,1131736616
Mon, May 4, 202629492128390282138
Sun, May 3, 202629565028663461929
Sat, May 2, 20261726701716700202
Fri, May 1, 20262867862867860000
Thu, Apr 30, 20263402,2153402,2150000
Wed, Apr 29, 20263571,7143571,7140000
Tue, Apr 28, 20262224602224600000
Mon, Apr 27, 20262034822034820000
Sun, Apr 26, 20262575672575670000
Sat, Apr 25, 20266745,6496745,6490000
Fri, Apr 24, 20262651,1742651,1740000
Thu, Apr 23, 20263411,3033411,3030000
Wed, Apr 22, 20263861,2933861,2930101
Tue, Apr 21, 20265891,6915891,6910000
Mon, Apr 20, 20263198343198340000
Sun, Apr 19, 20263881,7803881,7800000
Sat, Apr 18, 202663610,23163610,2310000
Fri, Apr 17, 20262696022696020000
Thu, Apr 16, 20264531,0564531,0560000
Wed, Apr 15, 20267944,1877944,1870000
Tue, Apr 14, 20265212,5155212,5150000
Mon, Apr 13, 20267463,3737463,3730000
Sun, Apr 12, 20265161,3905161,3900000
Sat, Apr 11, 20268473,6148473,6140000
Fri, Apr 10, 20269692,7359692,7350000
Thu, Apr 9, 20261,7204,6251,7204,6250000
Wed, Apr 8, 20261,1304,0951,1304,0950000
Tue, Apr 7, 20268353,6048353,6040000
Mon, Apr 6, 20261,0892,5141,0892,5140000
Sun, Apr 5, 20263392,2963392,2960000
Sat, Apr 4, 20266072,3666072,3660000
Fri, Apr 3, 20264471,2944471,2940000
Thu, Apr 2, 20266511,8166511,8160000
Wed, Apr 1, 20267082,7867082,7860000
Tue, Mar 31, 20261,6755,3371,6755,3370000
Mon, Mar 30, 20261,1535,2111,1535,2110000
Sun, Mar 29, 20269673,8409673,8400000
Sat, Mar 28, 20268143,0628143,0620000
Fri, Mar 27, 20266602,8286602,8280000
Thu, Mar 26, 20269253,2729253,2720000
Wed, Mar 25, 20267492,9997492,9990000
Tue, Mar 24, 20265542,4955542,4950000
Mon, Mar 23, 20261,1614,4941,1614,4940000
Sun, Mar 22, 20261,0453,1091,0453,1090000
Sat, Mar 21, 20266822,6286822,6280000
Fri, Mar 20, 20267392,0797392,0790000
Thu, Mar 19, 20264261,8084261,8080000
Wed, Mar 18, 20264954,4944954,4940000
Tue, Mar 17, 20264102,8124102,8120000
Mon, Mar 16, 20266102,9076102,9070000
Sun, Mar 15, 20262959452959450000
Sat, Mar 14, 20264161,4474161,4470000
Fri, Mar 13, 20262298692298690000
Thu, Mar 12, 20263189933189930000
Wed, Mar 11, 20262646032646030000
Tue, Mar 10, 20263521,1563521,1560000
Mon, Mar 9, 20262091,0262091,0260000
Sun, Mar 8, 20262247942247940000
Sat, Mar 7, 20262073882073880000
Fri, Mar 6, 20261826411826410000
Thu, Mar 5, 20262374312374310000
Wed, Mar 4, 20262184632184630000
Tue, Mar 3, 20262741,7112741,7110000
Mon, Mar 2, 20264121,2864121,2860000
Sun, Mar 1, 20263039523039520000
Sat, Feb 28, 20261794611794610000
Fri, Feb 27, 20262097312097310000
Thu, Feb 26, 20266571,5116571,5110000
Wed, Feb 25, 20265202,3135202,3130000
Tue, Feb 24, 20261573121573120000
Mon, Feb 23, 20261393491393490000
Sun, Feb 22, 20261665721665720000
Sat, Feb 21, 20261453881453880000
Fri, Feb 20, 202687205872050000
Thu, Feb 19, 20261014391014390000
Wed, Feb 18, 20261313751313750000
Tue, Feb 17, 20261423241423240000
Mon, Feb 16, 20261845131845130000
Sun, Feb 15, 20261753371753370000
Sat, Feb 14, 20261002441002440000
Fri, Feb 13, 20262147712147710000
Thu, Feb 12, 20261203631203630000
Wed, Feb 11, 20262074482074480000
Tue, Feb 10, 20261193761193760000
Mon, Feb 9, 20261002391002390000
Sun, Feb 8, 20261062511062510000
Sat, Feb 7, 202689230892300000
Fri, Feb 6, 202684171841710000
Thu, Feb 5, 202692179921790000
Wed, Feb 4, 202681233812330000
Tue, Feb 3, 20261022761022760000
Mon, Feb 2, 20261323551323550000
Sun, Feb 1, 202661151611510000
Sat, Jan 31, 202691434914340000
Fri, Jan 30, 20261023881023880000
Thu, Jan 29, 202671248712480000
Wed, Jan 28, 202659485594850000
Tue, Jan 27, 202684262842620000
Mon, Jan 26, 202677342773420000
Sun, Jan 25, 202668313683130000
Sat, Jan 24, 20262001,6442001,6440000
Fri, Jan 23, 20261791,3241791,3240000
Thu, Jan 22, 202685568855680000
Wed, Jan 21, 202651103511030000
Tue, Jan 20, 202671181711810000
Mon, Jan 19, 202656259562590000
Sun, Jan 18, 20261286571286570000
Sat, Jan 17, 202672357723570000
Fri, Jan 16, 202661289612890000
Thu, Jan 15, 20261195041195040000
Wed, Jan 14, 202681302813020000
Tue, Jan 13, 202670353703530000
Mon, Jan 12, 20261321,2671321,2670000
Sun, Jan 11, 20261398791398790000
Sat, Jan 10, 202675455754550000
Fri, Jan 9, 202661464614640000
Thu, Jan 8, 202670240702400000
Wed, Jan 7, 202643153431530000
Tue, Jan 6, 202648268482680000
Mon, Jan 5, 202638252382520000
Sun, Jan 4, 2026214221420000
Sat, Jan 3, 2026294329430000
Fri, Jan 2, 2026248724870000
Thu, Jan 1, 2026225322530000
Wed, Dec 31, 2025327232720000
Tue, Dec 30, 202555338553380000
Mon, Dec 29, 20252442,0932442,0930000
Sun, Dec 28, 202532135321350000
Sat, Dec 27, 2025296529650000
Fri, Dec 26, 2025327632760000
Thu, Dec 25, 2025319331930000
Wed, Dec 24, 202580285802850000
Tue, Dec 23, 202543316433160000
Mon, Dec 22, 20251211,2391211,2390000
Sun, Dec 21, 202575139751390000
Sat, Dec 20, 202553104531040000
Fri, Dec 19, 2025368236820000
Thu, Dec 18, 2025267526750000
Wed, Dec 17, 2025308330830000
Tue, Dec 16, 20251466681466680000
Mon, Dec 15, 2025103110310000
Sun, Dec 14, 2025227322730000
Sat, Dec 13, 2025103210320000
Fri, Dec 12, 2025113811380000
Thu, Dec 11, 20259199190000
Wed, Dec 10, 2025103210320000
Tue, Dec 9, 2025124612460000
Mon, Dec 8, 2025102910290000
Sun, Dec 7, 20259409370015
Sat, Dec 6, 2025116084300317
Fri, Dec 5, 2025103862200416
Thu, Dec 4, 2025168373500948
Wed, Dec 3, 20251748413001235
Tue, Dec 2, 20258371400833
Mon, Dec 1, 2025135500001355
Sun, Nov 30, 2025133900001339
Sat, Nov 29, 2025143600001436
Fri, Nov 28, 2025123200001232
Thu, Nov 27, 2025155100001551
Wed, Nov 26, 202526229000026229
Tue, Nov 25, 2025145100001451
Mon, Nov 24, 2025125200001252
Sun, Nov 23, 2025153800001538
Sat, Nov 22, 20255140000514
Fri, Nov 21, 20257220000722
Thu, Nov 20, 20258250000825
Wed, Nov 19, 20258140000814
Tue, Nov 18, 20258190000819
Mon, Nov 17, 20258230000823
Sun, Nov 16, 20255150000515
Sat, Nov 15, 20258170000817
Fri, Nov 14, 2025195700001957
Thu, Nov 13, 2025256400002564
Wed, Nov 12, 2025265000002650
Tue, Nov 11, 2025113500001135
Mon, Nov 10, 2025173800001738
Sun, Nov 9, 2025219500002195
Sat, Nov 8, 2025205700002057
Fri, Nov 7, 2025173600001736
Thu, Nov 6, 2025228100002281
Wed, Nov 5, 2025255600002556
Tue, Nov 4, 2025256300002563
Mon, Nov 3, 2025173200001732
Sun, Nov 2, 2025274700002747
Sat, Nov 1, 202536105000036105
Fri, Oct 31, 202538118000038118
Thu, Oct 30, 2025226500002265
Wed, Oct 29, 202535103000035103
Tue, Oct 28, 2025379000003790
Mon, Oct 27, 202559199000059199
Sun, Oct 26, 202562192000062192
Sat, Oct 25, 2025438500004385
Fri, Oct 24, 202536127000036127
Thu, Oct 23, 2025339000003390
Wed, Oct 22, 20251563660000156366
Tue, Oct 21, 202537100000037100
Mon, Oct 20, 202557170000057170
Sun, Oct 19, 202530116000030116
Sat, Oct 18, 2025388300003883
Fri, Oct 17, 202552153000052153
Thu, Oct 16, 202537148000037148
Wed, Oct 15, 2025298000002980
Tue, Oct 14, 2025266300002663
Mon, Oct 13, 202564224000064224
Sun, Oct 12, 202554132000054132
Sat, Oct 11, 202569210000069210
Fri, Oct 10, 202566180000066180
Thu, Oct 9, 2025468600004686
Wed, Oct 8, 202553317000053317
Tue, Oct 7, 2025359400003594
Mon, Oct 6, 202558343000058343
Sun, Oct 5, 2025449100004491
Sat, Oct 4, 202558203000058203
Fri, Oct 3, 202562204000062204
Thu, Oct 2, 202587338000087338
Wed, Oct 1, 202552170000052170
Tue, Sep 30, 202582224000082224
Mon, Sep 29, 202594515000094515
Sun, Sep 28, 202595358000095358
Sat, Sep 27, 202583247000083247
Fri, Sep 26, 20251194390000119439
Thu, Sep 25, 20251422970000142297
Wed, Sep 24, 202579256000079256
Tue, Sep 23, 202557216000057216
Mon, Sep 22, 202577228000077228
Sun, Sep 21, 202589367000089367
Sat, Sep 20, 20251145050000114505
Fri, Sep 19, 202567161000067161