Report Card: California

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County Grade Wgt.
Avg.
Orange
Days
Red
Days
Purple
Days
Alameda F 4.2 11 1 0
Alpine DNC DNC DNC DNC DNC
Amador C 2.0 6 0 0
Butte F 7.7 23 0 0
Calaveras F 6.3 19 0 0
Colusa B 0.3 1 0 0
Contra Costa F 3.3 10 0 0
Del Norte DNC DNC DNC DNC DNC
El Dorado F 21.0 60 2 0
Fresno F 58.3 136 26 0
Glenn A 0.0 0 0 0
Humboldt A 0.0 0 0 0
Imperial F 16.3 49 0 0
Inyo C 2.0 6 0 0
Kern F 78.3 199 24 0
Kings F 36.2 98 7 0
Lake A 0.0 0 0 0
Lassen DNC DNC DNC DNC DNC
Los Angeles F 81.8 205 23 3
Madera F 18.0 48 4 0
Marin A 0.0 0 0 0
Mariposa F 8.8 25 1 0
Mendocino A 0.0 0 0 0
Merced F 16.2 47 1 0
Modoc DNC DNC DNC DNC DNC
Mono DNC DNC DNC DNC DNC
Monterey B 0.3 1 0 0
Napa C 1.0 3 0 0
Nevada F 12.0 36 0 0
Orange F 5.5 15 1 0
Placer F 19.7 56 2 0
Plumas DNC DNC DNC DNC DNC
Riverside F 102.2 233 49 0
Sacramento F 35.3 85 14 0
San Benito B 0.7 2 0 0
San Bernardino F 121.5 227 85 5
San Diego F 16.2 47 1 0
San Francisco A 0.0 0 0 0
San Joaquin F 6.8 19 1 0
San Luis Obispo F 10.0 30 0 0
San Mateo B 0.3 1 0 0
Santa Barbara F 4.0 12 0 0
Santa Clara F 5.0 15 0 0
Santa Cruz A 0.0 0 0 0
Shasta C 1.3 4 0 0
Sierra DNC DNC DNC DNC DNC
Siskiyou A 0.0 0 0 0
Solano D 2.3 7 0 0
Sonoma A 0.0 0 0 0
Stanislaus F 15.3 43 2 0
Sutter C 2.0 6 0 0
Tehama F 5.7 17 0 0
Trinity DNC DNC DNC DNC DNC
Tulare F 87.5 234 19 0
Tuolumne D 3.0 9 0 0
Ventura F 15.3 46 0 0
Yolo C 1.3 4 0 0
Yuba DNC DNC DNC DNC DNC

The air you breathe needs your support.

You can make a difference in the air that you breathe.

Tell your friends about the air where you live.

County Grade Wgt.
Avg.
Orange
Days
Red
Days
Purple
Days
Grade
(Annual)
Design
Value
Alameda D 2.3 7 0 0 Pass 9.0
Alpine DNC DNC DNC DNC DNC DNC DNC
Amador DNC DNC DNC DNC DNC DNC DNC
Butte C 2.0 6 0 0 Pass 10.1
Calaveras A 0.0 0 0 0 Pass 7.3
Colusa A 0.0 0 0 0 Pass 6.3
Contra Costa C 1.7 5 0 0 Pass 7.8
Del Norte DNC DNC DNC DNC DNC DNC DNC
El Dorado DNC DNC DNC DNC DNC DNC DNC
Fresno F 40.3 79 28 0 Fail 17.0
Glenn DNC DNC DNC DNC DNC DNC DNC
Humboldt A 0.0 0 0 0 Pass 6.4
Imperial F 3.5 9 1 0 Fail 14.0
Inyo F 8.2 12 7 1 Pass 7.3
Kern F 46.5 74 41 2 Fail 18.2
Kings F 40.2 89 21 0 Fail 16.2
Lake A 0.0 0 0 0 Pass 3.3
Lassen DNC DNC DNC DNC DNC DNC DNC
Los Angeles F 25.0 60 10 0 Fail 13.9
Madera INC INC INC INC INC INC INC
Marin C 1.7 5 0 0 INC INC
Mariposa DNC DNC DNC DNC DNC DNC DNC
Mendocino A 0.0 0 0 0 Pass 8.6
Merced F 16.0 45 2 0 Fail 18.2
Modoc DNC DNC DNC DNC DNC DNC DNC
Mono DNC DNC DNC DNC DNC DNC DNC
Monterey A 0.0 0 0 0 Pass 6.1
Napa DNC DNC DNC DNC DNC DNC DNC
Nevada A 0.0 0 0 0 Pass 6.0
Orange F 6.8 19 1 0 Pass 11.2
Placer B 0.3 1 0 0 Pass 7.9
Plumas F 3.8 10 1 0 Pass 10.3
Riverside F 36.8 103 5 0 Fail 16.2
Sacramento F 3.7 11 0 0 Pass 10.0
San Benito A 0.0 0 0 0 Pass 5.6
San Bernardino F 3.5 9 1 0 Fail 13.7
San Diego F 4.7 8 4 0 Pass 11.8
San Francisco C 2.0 6 0 0 Pass 9.9
San Joaquin F 11.5 27 5 0 Pass 11.1
San Luis Obispo B 0.7 2 0 0 Pass 7.7
San Mateo B 0.7 2 0 0 INC INC
Santa Barbara A 0.0 0 0 0 Pass 9.9
Santa Clara D 2.7 8 0 0 Pass 9.6
Santa Cruz A 0.0 0 0 0 Pass 6.2
Shasta A 0.0 0 0 0 Pass 5.3
Sierra DNC DNC DNC DNC DNC DNC DNC
Siskiyou A 0.0 0 0 0 Pass 5.1
Solano F 3.7 11 0 0 Pass 9.1
Sonoma A 0.0 0 0 0 Pass 8.0
Stanislaus F 33.5 75 17 0 Fail 15.3
Sutter F 4.0 9 2 0 Pass 7.3
Tehama INC INC INC INC INC INC INC
Trinity INC INC INC INC INC INC INC
Tulare F 7.5 15 5 0 Fail 15.2
Tuolumne DNC DNC DNC DNC DNC DNC DNC
Ventura A 0.0 0 0 0 Pass 9.3
Yolo B 0.3 1 0 0 Pass 6.9
Yuba DNC DNC DNC DNC DNC DNC DNC

The air you breathe needs your support.

You can make a difference in the air that you breathe.

Tell your friends about the air where you live.

County Total Pop Under 18 65 & Over Pediatric Asthma Adult Asthma COPD CV Disease Diabetes Poverty Estimate
Alameda 1,529,875 341,229 175,295 24,430 100,019 52,734 352,165 93,970 198,382
Alpine 1,102 212 173 15 75 46 319 90 191
Amador 37,953 6,229 8,170 446 2,682 1,736 11,869 3,347 4,670
Butte 220,266 45,148 34,373 3,232 14,751 8,340 55,875 15,156 48,784
Calaveras 45,052 8,602 9,838 616 3,084 2,054 14,106 4,008 5,563
Colusa 21,549 6,391 2,574 458 1,276 699 4,681 1,262 2,825
Contra Costa 1,066,096 260,264 136,467 18,633 67,901 37,862 255,179 69,371 125,467
Del Norte 28,659 6,067 3,951 434 1,904 1,065 7,169 1,948 6,300
El Dorado 180,938 40,081 27,785 2,870 11,895 7,173 49,004 13,655 18,496
Fresno 942,904 278,349 96,955 19,928 55,881 28,859 191,544 50,623 238,977
Glenn 28,128 7,791 3,758 558 1,714 967 6,506 1,770 5,326
Humboldt 134,761 26,432 18,220 1,892 9,123 5,002 33,546 9,054 27,780
Imperial 177,057 50,986 18,749 3,650 10,603 5,513 36,633 9,705 43,259
Inyo 18,478 3,890 3,597 278 1,233 782 5,333 1,496 2,304
Kern 851,710 254,658 77,793 18,232 50,187 25,296 167,656 44,022 200,571
Kings 153,765 42,382 12,366 3,034 9,354 4,504 29,646 7,656 27,949
Lake 64,323 13,341 11,770 955 4,307 2,691 18,361 5,142 14,587
Lassen 34,200 5,997 3,520 429 2,371 1,197 7,954 2,094 4,716
Los Angeles 9,889,056 2,378,370 1,099,904 170,275 631,724 328,847 2,187,906 580,411 1,788,681
Madera 152,925 43,138 17,763 3,088 9,239 4,941 32,961 8,812 33,965
Marin 255,031 52,400 44,293 3,751 17,113 10,509 71,656 19,996 23,236
Mariposa 18,191 3,196 3,922 229 1,268 834 5,718 1,620 2,818
Mendocino 87,553 19,386 13,962 1,388 5,752 3,423 23,234 6,427 17,387
Merced 259,898 80,991 25,034 5,798 15,039 7,658 50,722 13,340 68,371
Modoc 9,517 2,053 1,956 147 631 410 2,799 789 1,990
Mono 14,309 3,030 1,437 217 949 497 3,337 894 1,539
Monterey 421,898 113,103 45,685 8,097 25,970 13,497 89,699 23,764 69,113
Napa 138,088 31,578 21,147 2,261 8,979 5,198 35,060 9,603 16,093
Nevada 98,612 18,498 19,882 1,324 6,773 4,356 29,809 8,404 11,850
Orange 3,055,745 737,120 363,752 52,773 195,151 104,466 698,405 187,107 391,460
Placer 357,138 85,632 56,457 6,131 22,901 13,526 91,482 25,201 29,985
Plumas 19,765 3,503 4,279 251 1,376 908 6,230 1,767 2,875
Riverside 2,239,620 623,094 268,723 44,609 136,046 73,244 488,747 130,878 371,930
Sacramento 1,436,105 362,155 164,643 25,928 90,380 48,063 321,109 85,864 250,842
San Benito 56,072 15,943 5,632 1,141 3,378 1,789 11,996 3,215 6,909
San Bernardino 2,065,377 593,206 188,958 42,470 123,780 62,735 416,898 109,855 391,911
San Diego 3,140,069 726,602 362,928 52,020 203,011 106,254 707,051 187,806 462,997
San Francisco 812,826 109,429 111,905 7,834 59,153 30,993 205,566 54,461 110,260
San Joaquin 696,214 201,446 73,891 14,422 41,628 21,911 146,134 38,937 124,573
San Luis Obispo 271,969 49,943 42,541 3,576 18,706 10,595 71,152 19,343 38,626
San Mateo 727,209 160,452 99,011 11,487 47,749 26,639 179,196 48,644 56,676
Santa Barbara 426,878 96,736 55,548 6,926 27,772 14,789 98,252 26,154 63,212
Santa Clara 1,809,378 432,358 204,928 30,954 115,861 61,018 407,122 108,526 190,005
Santa Cruz 264,298 54,868 30,640 3,928 17,629 9,373 62,794 16,830 37,962
Shasta 177,774 39,186 30,754 2,805 11,697 7,085 48,053 13,325 34,031
Sierra 3,113 510 683 37 220 148 1,021 291 418
Siskiyou 44,507 9,126 8,942 653 2,991 1,929 13,190 3,718 10,730
Solano 416,471 100,150 48,767 7,170 26,640 14,472 97,309 26,272 54,912
Sonoma 488,116 106,031 70,304 7,591 32,212 18,429 124,505 34,075 58,394
Stanislaus 518,522 146,498 56,563 10,488 31,303 16,547 110,394 29,447 119,325
Sutter 94,919 25,751 12,369 1,844 5,825 3,220 21,561 5,821 14,831
Tehama 63,601 15,860 10,389 1,135 4,028 2,414 16,346 4,518 12,244
Trinity 13,723 2,475 2,832 177 952 622 4,276 1,212 2,881
Tulare 449,253 145,232 43,101 10,398 25,559 13,075 86,663 22,830 113,766
Tuolumne 54,953 9,380 11,606 672 3,851 2,459 16,755 4,703 8,420
Ventura 831,771 210,361 100,114 15,060 52,329 28,516 191,413 51,635 94,625
Yolo 202,054 44,196 20,606 3,164 13,258 6,524 42,884 11,117 41,756
Yuba 72,578 20,884 7,419 1,495 4,349 2,272 15,156 4,032 13,982
TOTAL: