Pollen Monitor
Daily pollen insights

Daily pollen overview

Fontana 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

39

Average

55

Peak

Tree

None

0

Average

0

Peak

Grass

None

0

Average

0

Peak

Ragweed

High

39

Average

55

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

Ragweed39

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, 2026Latest395500003955
Mon, Oct 12, 2026478200004782
Sun, Oct 11, 202675124000075124
Sat, Oct 10, 202659115000059115
Fri, Oct 9, 2026689200006892
Thu, Oct 8, 202665105000065105
Wed, Oct 7, 202676143000076143
Tue, Oct 6, 20261101640000110164
Mon, Oct 5, 20261011640000101164
Sun, Oct 4, 202680157000080157
Sat, Oct 3, 2026901527110083141
Fri, Oct 2, 20268012612190068107
Thu, Oct 1, 20268918625530064133
Wed, Sep 30, 202610521640830064133
Tue, Sep 29, 202693234471170047117
Mon, Sep 28, 2026951704885004885
Sun, Sep 27, 2026861324366004366
Sat, Sep 26, 2026771403970003970
Fri, Sep 25, 2026129334651670065167
Thu, Sep 24, 2026851364268004268
Wed, Sep 23, 2026811644082004082
Tue, Sep 22, 2026106238531190053119
Mon, Sep 21, 2026941944797004797
Sun, Sep 20, 202698234491170049117
Sat, Sep 19, 2026881564478004478
Fri, Sep 18, 202696212481060048106
Thu, Sep 17, 20261071585479005479
Wed, Sep 16, 2026921904695004695
Tue, Sep 15, 202696208481040048104
Mon, Sep 14, 2026861644382004382
Sun, Sep 13, 2026881744487004487
Sat, Sep 12, 20261011565078005078
Fri, Sep 11, 20261061505375005375
Thu, Sep 10, 20261121265663005663
Wed, Sep 9, 2026871404470004470
Tue, Sep 8, 20261041825291005291
Mon, Sep 7, 2026721183659003659
Sun, Sep 6, 2026741343767003767
Sat, Sep 5, 2026761823891003891
Fri, Sep 4, 2026861824391004391
Thu, Sep 3, 2026801843785004399
Wed, Sep 2, 2026671353162003673
Tue, Sep 1, 20267818636860042100
Mon, Aug 31, 20268315832616124585
Sun, Aug 30, 2026851223347694666
Sat, Aug 29, 2026891203446694865
Fri, Aug 28, 202655722128453039
Thu, Aug 27, 202661862433463347
Wed, Aug 26, 202653682026452937
Tue, Aug 25, 202644661725352436
Mon, Aug 24, 202643621724342334
Sun, Aug 23, 202637471418332026
Sat, Aug 22, 202638461518332125
Fri, Aug 21, 202645931736372550
Thu, Aug 20, 202635441417231924
Wed, Aug 19, 202640811531362244
Tue, Aug 18, 202639801531362143
Mon, Aug 17, 202637441417332024
Sun, Aug 16, 202634471318231926
Sat, Aug 15, 202631411216231722
Fri, Aug 14, 202632461218231825
Thu, Aug 13, 202632361314221820
Wed, Aug 12, 202628391115231521
Tue, Aug 11, 202626351014221419
Mon, Aug 10, 20262429911121316
Sun, Aug 9, 202625341013121419
Sat, Aug 8, 20262329911121316
Fri, Aug 7, 20262429911121316
Thu, Aug 6, 20262226810121214
Wed, Aug 5, 20262027810121115
Tue, Aug 4, 20262027810121115
Mon, Aug 3, 2026202668561012
Sun, Aug 2, 202620265668912
Sat, Aug 1, 202622283410121012
Fri, Jul 31, 20262327121315910
Thu, Jul 30, 20262128001418710
Wed, Jul 29, 20262231001420811
Tue, Jul 28, 20262229001419810
Mon, Jul 27, 20262228001418810
Sun, Jul 26, 2026212600141779
Sat, Jul 25, 20262229001419810
Fri, Jul 24, 20262644001728916
Thu, Jul 23, 20262228001418810
Wed, Jul 22, 20262431001520811
Tue, Jul 21, 20262529001619910
Mon, Jul 20, 20262329001519810
Sun, Jul 19, 20262229001519810
Sat, Jul 18, 20262329001519810
Fri, Jul 17, 20262431001520811
Thu, Jul 16, 20262329001519810
Wed, Jul 15, 20262631001720911
Tue, Jul 14, 20262228001418810
Mon, Jul 13, 20262635001723912
Sun, Jul 12, 202636460023301316
Sat, Jul 11, 202628350018231012
Fri, Jul 10, 202627350018231012
Thu, Jul 9, 202631450020291116
Wed, Jul 8, 202627360017231016
Tue, Jul 7, 20262166027221442
Mon, Jul 6, 20261837126131123
Sun, Jul 5, 20262039248161120
Sat, Jul 4, 2026309151412351342
Fri, Jul 3, 20263611972516511343
Thu, Jul 2, 202622485111022715
Wed, Jul 1, 202625477121223612
Tue, Jun 30, 202626407111320610
Mon, Jun 29, 202630499141425711
Sun, Jun 28, 202626507151224613
Sat, Jun 27, 202627528131326613
Fri, Jun 26, 202627438131322610
Thu, Jun 25, 202625477141222611
Wed, Jun 24, 202627468141323612
Tue, Jun 23, 202626447141220610
Mon, Jun 22, 202629448131422711
Sun, Jun 21, 202631479131524712
Sat, Jun 20, 202630499151525711
Fri, Jun 19, 202628718221433616
Thu, Jun 18, 202630539161525712
Wed, Jun 17, 202632539161527712
Tue, Jun 16, 202632629191529714
Mon, Jun 15, 20263710510271851927
Sun, Jun 14, 2026367010191735818
Sat, Jun 13, 2026366210191829814
Fri, Jun 12, 2026359210261747819
Thu, Jun 11, 202647110133423511125
Wed, Jun 10, 20264397122721501020
Tue, Jun 9, 202670118203534611628
Mon, Jun 8, 202675205226336951747
Sun, Jun 7, 202651104183223481124
Sat, Jun 6, 20261292465510851952451
Fri, Jun 5, 202686150437330501427
Thu, Jun 4, 2026891815110726511225
Wed, Jun 3, 20266813444831735716
Tue, Jun 2, 202691210671561843715
Mon, Jun 1, 20261463221162772237820
Sun, May 31, 202689176691361427513
Sat, May 30, 2026104231811791635617
Fri, May 29, 2026124291972212046824
Thu, May 28, 20261493041172492344819
Wed, May 27, 20261372621082092248714
Tue, May 26, 20261432721132282138814
Mon, May 25, 2026125349992981944714
Sun, May 24, 20261504421193732248824
Sat, May 23, 20261323881053332047715
Fri, May 22, 20261402531112102244720
Thu, May 21, 2026103228821881634616
Wed, May 20, 202696187761511532515
Tue, May 19, 202689204701581431516
Mon, May 18, 20261372601082102141822
Sun, May 17, 202629848824243040561628
Sat, May 16, 202624545019738034601325
Fri, May 15, 20261704501383902451923
Thu, May 14, 20261798381467542572823
Wed, May 13, 202619948015940729651125
Tue, May 12, 202624498920289532801124
Mon, May 11, 20261718861397992474917
Sun, May 10, 20261565711255032358820
Sat, May 9, 202620066416359627621133
Fri, May 8, 202628164623357235631327
Thu, May 7, 202622675618867027561230
Wed, May 6, 20262145571885162034614
Tue, May 5, 20263496923216622143715
Mon, May 4, 2026344743332726102639
Sun, May 3, 2026294638286623618210
Sat, May 2, 20262015052005050303
Fri, May 1, 20263588843588840000
Thu, Apr 30, 20263351,2733351,2730000
Wed, Apr 29, 20262561,1122561,1120000
Tue, Apr 28, 20263051,2333051,2330000
Mon, Apr 27, 20263541,3853541,3850000
Sun, Apr 26, 20264634,4204634,4200000
Sat, Apr 25, 20265892,0125892,0120000
Fri, Apr 24, 20265222,1145222,1140000
Thu, Apr 23, 20264731,7764731,7760000
Wed, Apr 22, 20264251,0754251,0750000
Tue, Apr 21, 20265352,2465352,2460000
Mon, Apr 20, 20266132,3736132,3730000
Sun, Apr 19, 20265482,0505482,0500000
Sat, Apr 18, 20263122,1713122,1710000
Fri, Apr 17, 20263319453319450000
Thu, Apr 16, 20264901,8924901,8920000
Wed, Apr 15, 20261,0673,5271,0673,5270000
Tue, Apr 14, 20267244,7877244,7870000
Mon, Apr 13, 20266455,0796455,0790000
Sun, Apr 12, 20265112,1715112,1710000
Sat, Apr 11, 20268284,4708284,4700000
Fri, Apr 10, 20269893,2469893,2460000
Thu, Apr 9, 20261,4676,4801,4676,4800000
Wed, Apr 8, 20269662,7459662,7450000
Tue, Apr 7, 20269063,8239063,8230000
Mon, Apr 6, 20269243,7789243,7780000
Sun, Apr 5, 20266691,8586691,8580000
Sat, Apr 4, 20261,1112,3661,1112,3660000
Fri, Apr 3, 20266994,3976994,3970000
Thu, Apr 2, 20265654,1925654,1920000
Wed, Apr 1, 20261,3875,9081,3875,9080000
Tue, Mar 31, 20261,8696,7011,8696,7010000
Mon, Mar 30, 20269735,4569735,4560000
Sun, Mar 29, 20266713,5126713,5120000
Sat, Mar 28, 20261,0002,9251,0002,9250000
Fri, Mar 27, 20269933,2969933,2960000
Thu, Mar 26, 20269593,3179593,3170000
Wed, Mar 25, 20269836,0249836,0240000
Tue, Mar 24, 20263191,1873191,1870000
Mon, Mar 23, 20266912,3256912,3250000
Sun, Mar 22, 20266731,5276731,5270000
Sat, Mar 21, 20265781,7515781,7510000
Fri, Mar 20, 20266811,7546811,7540000
Thu, Mar 19, 20262767622767620000
Wed, Mar 18, 20261846851846850000
Tue, Mar 17, 20262748992748990000
Mon, Mar 16, 20263231,1983231,1980000
Sun, Mar 15, 20261655651655650000
Sat, Mar 14, 20261362271362270000
Fri, Mar 13, 20261303161303160000
Thu, Mar 12, 20262343752343750000
Wed, Mar 11, 20262201,3512201,3510000
Tue, Mar 10, 20262581,0792581,0790000
Mon, Mar 9, 20262066782066780000
Sun, Mar 8, 20262354722354720000
Sat, Mar 7, 20262398122398120000
Fri, Mar 6, 20262551,8242551,8240000
Thu, Mar 5, 20261854861854860000
Wed, Mar 4, 20262601,2372601,2370000
Tue, Mar 3, 20263471,9253471,9250000
Mon, Mar 2, 20262255112255110000
Sun, Mar 1, 20261633021633020000
Sat, Feb 28, 20261495651495650000
Fri, Feb 27, 20261747221747220000
Thu, Feb 26, 20263332,3503332,3500000
Wed, Feb 25, 20261914661914660000
Tue, Feb 24, 20261303241303240000
Mon, Feb 23, 20261583651583650000
Sun, Feb 22, 20261752971752970000
Sat, Feb 21, 20261616391616390000
Fri, Feb 20, 20261654401654400000
Thu, Feb 19, 20262151,1482151,1480000
Wed, Feb 18, 20261605721605720000
Tue, Feb 17, 20261412841412840000
Mon, Feb 16, 20261735011735010000
Sun, Feb 15, 20261343481343480000
Sat, Feb 14, 20261262201262200000
Fri, Feb 13, 20262839332839330000
Thu, Feb 12, 20261232591232590000
Wed, Feb 11, 20261492701492700000
Tue, Feb 10, 202692289922890000
Mon, Feb 9, 202649114491140000
Sun, Feb 8, 202677146771460000
Sat, Feb 7, 202676138761380000
Fri, Feb 6, 202690215902150000
Thu, Feb 5, 202695206952060000
Wed, Feb 4, 202650133501330000
Tue, Feb 3, 20261001791001790000
Mon, Feb 2, 20261022451022450000
Sun, Feb 1, 2026417341730000
Sat, Jan 31, 202671121711210000
Fri, Jan 30, 202643116431160000
Thu, Jan 29, 202643167431670000
Wed, Jan 28, 2026437643760000
Tue, Jan 27, 202698306983060000
Mon, Jan 26, 202646102461020000
Sun, Jan 25, 20261141,0231141,0230000
Sat, Jan 24, 20261062401062400000
Fri, Jan 23, 202663342633420000
Thu, Jan 22, 202687464874640000
Wed, Jan 21, 202670146701460000
Tue, Jan 20, 202692116921160000
Mon, Jan 19, 2026439543950000
Sun, Jan 18, 202658110581100000
Sat, Jan 17, 2026478647860000
Fri, Jan 16, 202683607836070000
Thu, Jan 15, 202655225552250000
Wed, Jan 14, 202686327863270000
Tue, Jan 13, 2026599159910000
Mon, Jan 12, 20261217201217200000
Sun, Jan 11, 20262607532607530000
Sat, Jan 10, 20261544101544100000
Fri, Jan 9, 20261106021106020000
Thu, Jan 8, 202675282752820000
Wed, Jan 7, 202669161691610000
Tue, Jan 6, 202664179641790000
Mon, Jan 5, 202660243602430000
Sun, Jan 4, 2026143814380000
Sat, Jan 3, 2026334733470000
Fri, Jan 2, 2026224022400000
Thu, Jan 1, 202632132321320000
Wed, Dec 31, 202590540905400000
Tue, Dec 30, 202594145941450000
Mon, Dec 29, 20258343,4578343,4570000
Sun, Dec 28, 202574366743660000
Sat, Dec 27, 202516154161540000
Fri, Dec 26, 2025305030500000
Thu, Dec 25, 202539175391750000
Wed, Dec 24, 202547161471610000
Tue, Dec 23, 202549289492890000
Mon, Dec 22, 202550262502620000
Sun, Dec 21, 2025489048900000
Sat, Dec 20, 202570237702370000
Fri, Dec 19, 2025306930690000
Thu, Dec 18, 202561331613310000
Wed, Dec 17, 202559139591390000
Tue, Dec 16, 20253752,4853752,4850000
Mon, Dec 15, 2025163816380000
Sun, Dec 14, 202543110431100000
Sat, Dec 13, 2025152815280000
Fri, Dec 12, 2025143514350000
Thu, Dec 11, 2025264226420000
Wed, Dec 10, 2025273627360000
Tue, Dec 9, 2025297129710000
Mon, Dec 8, 2025326732670000
Sun, Dec 7, 2025145213460016
Sat, Dec 6, 20252162154600617
Fri, Dec 5, 202530531730001323
Thu, Dec 4, 202528471220001627
Wed, Dec 3, 202513313800923
Tue, Dec 2, 2025235225002147
Mon, Dec 1, 2025205600002056
Sun, Nov 30, 2025114300001143
Sat, Nov 29, 2025205400002054
Fri, Nov 28, 2025153100001531
Thu, Nov 27, 2025293800002938
Wed, Nov 26, 2025313900003139
Tue, Nov 25, 2025246300002463
Mon, Nov 24, 20259220000922
Sun, Nov 23, 2025174000001740
Sat, Nov 22, 2025123200001232
Fri, Nov 21, 202513113000013113
Thu, Nov 20, 20259230000923
Wed, Nov 19, 2025102400001024
Tue, Nov 18, 20257160000716
Mon, Nov 17, 2025106200001062
Sun, Nov 16, 2025911000009110
Sat, Nov 15, 2025123100001231
Fri, Nov 14, 2025173000001730
Thu, Nov 13, 2025185100001851
Wed, Nov 12, 2025213900002139
Tue, Nov 11, 2025163200001632
Mon, Nov 10, 2025254200002542
Sun, Nov 9, 2025223600002236
Sat, Nov 8, 2025243800002438
Fri, Nov 7, 2025196200001962
Thu, Nov 6, 2025142800001428
Wed, Nov 5, 2025154300001543
Tue, Nov 4, 2025203900002039
Mon, Nov 3, 2025398500003985
Sun, Nov 2, 2025387000003870
Sat, Nov 1, 202547127000047127
Fri, Oct 31, 2025479100004791
Thu, Oct 30, 2025436300004363
Wed, Oct 29, 2025419100004191
Tue, Oct 28, 2025398900003989
Mon, Oct 27, 202537404000037404
Sun, Oct 26, 202530102000030102
Sat, Oct 25, 2025396600003966
Fri, Oct 24, 2025426100004261
Thu, Oct 23, 2025267900002679
Wed, Oct 22, 202556361000056361
Tue, Oct 21, 2025499600004996
Mon, Oct 20, 202555162000055162
Sun, Oct 19, 202552171000052171
Sat, Oct 18, 202575137000075137
Fri, Oct 17, 202588151000088151
Thu, Oct 16, 202567213000067213
Wed, Oct 15, 202528171000028171
Tue, Oct 14, 202539193000039193
Mon, Oct 13, 202548292000048292
Sun, Oct 12, 202558153000058153
Sat, Oct 11, 20251192410000119241
Fri, Oct 10, 202539107000039107
Thu, Oct 9, 202560171000060171
Wed, Oct 8, 202562180000062180
Tue, Oct 7, 202565236000065236
Mon, Oct 6, 202564225000064225
Sun, Oct 5, 202563260000063260
Sat, Oct 4, 202558220000058220
Fri, Oct 3, 202555225000055225
Thu, Oct 2, 202583233000083233
Wed, Oct 1, 202551170000051170
Tue, Sep 30, 202557225000057225
Mon, Sep 29, 202568223000068223
Sun, Sep 28, 202543165000043165
Sat, Sep 27, 202537141000037141
Fri, Sep 26, 202565324000065324
Thu, Sep 25, 202593241000093241
Wed, Sep 24, 20251172040000117204
Tue, Sep 23, 202589220000089220
Mon, Sep 22, 202554127000054127
Sun, Sep 21, 202599317000099317
Sat, Sep 20, 20251154960000115496
Fri, Sep 19, 20251202650000120265