ID: 237

AQSQID: 061010003

Site Name: Yuba City

Added: April 21, 2020, 6:24 p.m.

Updated: July 30, 2021, 6:53 a.m.

Location: Yuba City (Almond St), CA

Reporting: True, Located: True

Current AQI: 42.0

Yuba City (Almond St) CA, US: 39.13868, -121.61884

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 30, 2021, 5 a.m. 6.3 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (27) N/A 12.0 μg/m3 (12) 10.0 μg/m3 (42) 42.0
 
July 30, 2021, 4 a.m. 4.6 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (36) N/A 18.0 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
July 30, 2021, 3 a.m. 3.6 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 51.0 ppb (48) N/A 18.0 μg/m3 (17) 10.0 μg/m3 (42) 48.0
 
July 30, 2021, 2 a.m. 3.2 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 61.0 ppb (71) N/A 25.0 μg/m3 (24) 16.0 μg/m3 (60) 71.0
 
July 30, 2021, 1 a.m. 2.2 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (51) N/A 20.0 μg/m3 (19) 18.0 μg/m3 (64) 64.0
 
July 30, 2021, midnight 2.4 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (50) N/A 21.0 μg/m3 (20) 67.0 μg/m3 (157) 157.0
 
July 29, 2021, 11 p.m. 3.0 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 58.0 ppb (61) N/A 27.0 μg/m3 (25) 37.0 μg/m3 (105) 105.0
 
July 29, 2021, 10 p.m. 2.5 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 56.0 ppb (55) N/A 21.0 μg/m3 (20) 14.0 μg/m3 (55) 55.0
 
July 29, 2021, 9 p.m. 4.8 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 63.0 ppb (78) N/A 28.0 μg/m3 (26) 18.0 μg/m3 (64) 78.0
 
July 29, 2021, 8 p.m. 5.1 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 59.0 ppb (65) N/A 33.0 μg/m3 (31) 30.0 μg/m3 (89) 89.0
 
July 29, 2021, 7 p.m. 4.9 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 54.0 ppb (50) N/A 32.0 μg/m3 (30) 155.0 μg/m3 (206) 206.0
 
July 29, 2021, 6 p.m. 4.6 ppb (5) 1.4 ppb (2) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (43) N/A 27.0 μg/m3 (25) 21.0 μg/m3 (70) 70.0
 
July 29, 2021, 5 p.m. 5.3 ppb (5) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) N/A 22.0 μg/m3 (21) 57.0 μg/m3 (152) 152.0
 
July 29, 2021, 4 p.m. 6.1 ppb (6) 2.2 ppb (3) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (23) N/A 21.0 μg/m3 (20) 14.0 μg/m3 (55) 55.0
 
July 29, 2021, 3 p.m. 8.7 ppb (9) 2.9 ppb (3) N/A 6.0 ppb (6) N/A N/A 18.0 ppb (17) N/A 26.0 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
July 29, 2021, 2 p.m. 11.8 ppb (12) 3.3 ppb (4) N/A 9.0 ppb (9) N/A N/A 12.0 ppb (12) N/A 21.0 μg/m3 (20) 7.0 μg/m3 (30) 30.0
 
July 29, 2021, 1 p.m. 9.0 ppb (9) 1.6 ppb (2) N/A 7.0 ppb (7) N/A N/A 13.0 ppb (13) N/A 14.0 μg/m3 (13) 7.0 μg/m3 (30) 30.0
 
July 29, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
July 29, 2021, 11 a.m. 3.8 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (24) N/A 28.0 μg/m3 (26) 8.0 μg/m3 (34) 34.0
 
July 29, 2021, 10 a.m. 4.0 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) N/A 24.0 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
July 29, 2021, 9 a.m. 3.3 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) N/A 41.0 μg/m3 (38) 9.0 μg/m3 (38) 38.0
 
July 29, 2021, 8 a.m. 3.6 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) N/A 20.0 μg/m3 (19) 6.0 μg/m3 (25) 27.0
 
July 29, 2021, 7 a.m. 4.6 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (26) N/A 17.0 μg/m3 (16) 4.0 μg/m3 (17) 26.0
 
July 29, 2021, 6 a.m. 4.2 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (25) N/A 28.0 μg/m3 (26) 10.0 μg/m3 (42) 42.0
 
July 29, 2021, 5 a.m. 4.8 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (31) N/A 26.0 μg/m3 (25) 13.0 μg/m3 (53) 53.0
 
July 29, 2021, 4 a.m. 5.0 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (39) N/A 49.0 μg/m3 (46) 25.0 μg/m3 (79) 79.0
 
July 29, 2021, 3 a.m. 4.9 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 49.0 ppb (46) N/A 39.0 μg/m3 (37) 32.0 μg/m3 (93) 93.0
 
July 29, 2021, 2 a.m. 3.6 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 56.0 ppb (55) N/A 47.0 μg/m3 (44) 34.0 μg/m3 (98) 98.0
 
July 29, 2021, 1 a.m. 4.7 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 60.0 ppb (68) N/A 49.0 μg/m3 (46) 41.0 μg/m3 (115) 115.0
 
July 29, 2021, midnight 4.8 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 60.0 ppb (68) N/A 61.0 μg/m3 (54) 55.0 μg/m3 (150) 150.0
 
July 28, 2021, 11 p.m. 3.1 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 58.0 ppb (61) N/A N/A 43.0 μg/m3 (120) 120.0
 
July 28, 2021, 10 p.m. 4.6 ppb (5) 1.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 76.0 ppb (104) N/A 135.0 μg/m3 (91) 114.0 μg/m3 (182) 182.0
 
July 28, 2021, 9 p.m. 6.4 ppb (7) 1.4 ppb (2) N/A 5.0 ppb (5) N/A N/A 78.0 ppb (105) N/A 143.0 μg/m3 (95) 113.0 μg/m3 (181) 181.0
 
July 28, 2021, 8 p.m. 7.1 ppb (7) 1.5 ppb (2) N/A 6.0 ppb (6) N/A N/A 67.0 ppb (91) N/A 152.0 μg/m3 (100) 117.0 μg/m3 (183) 183.0
 
July 28, 2021, 7 p.m. 7.3 ppb (7) 1.5 ppb (2) N/A 6.0 ppb (6) N/A N/A 55.0 ppb (51) N/A N/A N/A 51.0
 
July 28, 2021, 6 p.m. 9.1 ppb (9) 1.8 ppb (2) N/A 7.0 ppb (7) N/A N/A 42.0 ppb (39) N/A 138.0 μg/m3 (93) 118.0 μg/m3 (184) 184.0
 
July 28, 2021, 5 p.m. 5.9 ppb (6) 1.5 ppb (2) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) N/A 90.0 μg/m3 (69) 76.0 μg/m3 (162) 162.0
 
July 28, 2021, 4 p.m. 6.3 ppb (6) 1.7 ppb (2) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (25) N/A 64.0 μg/m3 (56) 68.0 μg/m3 (158) 158.0
 
July 28, 2021, 3 p.m. 7.9 ppb (8) 2.2 ppb (3) N/A 6.0 ppb (6) N/A N/A 19.0 ppb (18) N/A 36.0 μg/m3 (34) 19.0 μg/m3 (66) 66.0
 
July 28, 2021, 2 p.m. 10.6 ppb (10) 2.7 ppb (3) N/A 8.0 ppb (8) N/A N/A 15.0 ppb (14) N/A 26.0 μg/m3 (25) 17.0 μg/m3 (62) 62.0
 
July 28, 2021, 1 p.m. 15.2 ppb (15) 3.7 ppb (4) N/A 12.0 ppb (12) N/A N/A 11.0 ppb (11) N/A 22.0 μg/m3 (21) 12.0 μg/m3 (50) 50.0
 
July 28, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 15.0 μg/m3 (58) 58.0
 
July 28, 2021, 11 a.m. 7.2 ppb (7) 1.6 ppb (2) N/A 6.0 ppb (6) N/A N/A 18.0 ppb (17) N/A 15.0 μg/m3 (14) 13.0 μg/m3 (53) 53.0
 
July 28, 2021, 10 a.m. 4.6 ppb (5) 1.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (21) N/A 12.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
July 28, 2021, 9 a.m. 4.1 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (23) N/A 9.0 μg/m3 (9) 17.0 μg/m3 (62) 62.0
 
July 28, 2021, 8 a.m. 3.5 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (28) N/A 13.0 μg/m3 (13) 17.0 μg/m3 (62) 62.0
 
July 28, 2021, 7 a.m. 3.5 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) N/A 16.0 μg/m3 (15) 13.0 μg/m3 (53) 53.0
 
July 28, 2021, 6 a.m. 2.6 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) N/A 15.0 μg/m3 (14) 22.0 μg/m3 (72) 72.0
 
July 28, 2021, 5 a.m. 2.6 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A 13.0 μg/m3 (13) 8.0 μg/m3 (34) 38.0
 
July 28, 2021, 4 a.m. 2.4 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 40.0
 
July 28, 2021, 3 a.m. 2.6 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (41) N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 41.0
 
July 28, 2021, 2 a.m. 2.3 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (41) N/A 22.0 μg/m3 (21) 3.0 μg/m3 (13) 41.0
 
July 28, 2021, 1 a.m. 2.7 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (42) N/A 34.0 μg/m3 (32) 6.0 μg/m3 (25) 42.0
 
July 28, 2021, midnight 2.9 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (42) N/A 36.0 μg/m3 (34) 6.0 μg/m3 (25) 42.0
 
July 27, 2021, 11 p.m. 3.1 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (45) N/A 42.0 μg/m3 (39) 7.0 μg/m3 (30) 45.0
 
July 27, 2021, 10 p.m. 3.6 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (42) N/A 51.0 μg/m3 (48) 8.0 μg/m3 (34) 48.0
 
July 27, 2021, 9 p.m. 3.8 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) N/A 44.0 μg/m3 (41) 6.0 μg/m3 (25) 41.0
 
July 27, 2021, 8 p.m. 4.9 ppb (5) 1.3 ppb (2) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) N/A 35.0 μg/m3 (33) 7.0 μg/m3 (30) 33.0
 
July 27, 2021, 7 p.m. 5.6 ppb (6) 1.4 ppb (2) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) N/A 36.0 μg/m3 (34) 6.0 μg/m3 (25) 34.0
 
July 27, 2021, 6 p.m. 10.6 ppb (10) 2.8 ppb (3) N/A 8.0 ppb (8) N/A N/A 23.0 ppb (22) N/A 27.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
July 27, 2021, 5 p.m. 12.6 ppb (12) 3.6 ppb (4) N/A 9.0 ppb (9) N/A N/A 15.0 ppb (14) N/A 40.0 μg/m3 (38) 7.0 μg/m3 (30) 38.0
 
July 27, 2021, 4 p.m. 12.8 ppb (13) 2.1 ppb (2) N/A 11.0 ppb (11) N/A N/A 21.0 ppb (20) N/A 24.0 μg/m3 (23) 7.0 μg/m3 (30) 30.0
 
July 27, 2021, 3 p.m. 8.5 ppb (9) 1.3 ppb (2) N/A 7.0 ppb (7) N/A N/A 23.0 ppb (22) N/A 21.0 μg/m3 (20) 3.0 μg/m3 (13) 22.0
 
July 27, 2021, 2 p.m. 8.6 ppb (9) 1.2 ppb (2) N/A 7.0 ppb (7) N/A N/A 23.0 ppb (22) N/A 18.0 μg/m3 (17) 3.0 μg/m3 (13) 22.0
 
July 27, 2021, 1 p.m. 5.2 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (23) N/A 9.0 μg/m3 (9) 1.0 μg/m3 (5) 23.0
 
July 27, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
July 27, 2021, 11 a.m. 3.7 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) N/A 8.0 μg/m3 (8) 7.0 μg/m3 (30) 30.0
 
July 27, 2021, 10 a.m. 3.0 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) N/A 12.0 μg/m3 (12) 10.0 μg/m3 (42) 42.0
 
July 27, 2021, 9 a.m. 2.2 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (29) N/A 8.0 μg/m3 (8) 3.0 μg/m3 (13) 29.0
 
July 27, 2021, 8 a.m. 2.0 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) N/A 4.0 μg/m3 (4) 3.0 μg/m3 (13) 30.0
 
July 27, 2021, 7 a.m. 1.6 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) N/A 7.0 μg/m3 (7) 4.0 μg/m3 (17) 33.0
 
July 27, 2021, 6 a.m. 1.4 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) N/A 9.0 μg/m3 (9) 5.0 μg/m3 (21) 35.0
 
July 27, 2021, 5 a.m. 1.5 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A 13.0 μg/m3 (13) 2.0 μg/m3 (9) 37.0
 
July 27, 2021, 4 a.m. 1.7 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) N/A 37.0 μg/m3 (35) 4.0 μg/m3 (17) 40.0
 
July 27, 2021, 3 a.m. 2.4 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) N/A 37.0 μg/m3 (35) 6.0 μg/m3 (25) 38.0
 
July 27, 2021, 2 a.m. 2.2 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A 33.0 μg/m3 (31) 8.0 μg/m3 (34) 38.0
 
July 27, 2021, 1 a.m. 2.4 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) N/A 41.0 μg/m3 (38) 15.0 μg/m3 (58) 58.0
 
July 27, 2021, midnight 2.8 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (44) N/A 46.0 μg/m3 (43) 15.0 μg/m3 (58) 58.0
 
July 26, 2021, 11 p.m. 3.3 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (43) N/A 26.0 μg/m3 (25) 15.0 μg/m3 (58) 58.0
 
July 26, 2021, 10 p.m. 3.6 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (39) N/A 26.0 μg/m3 (25) 9.0 μg/m3 (38) 39.0
 
July 26, 2021, 9 p.m. 3.7 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) N/A 25.0 μg/m3 (24) 16.0 μg/m3 (60) 60.0
 
July 26, 2021, 8 p.m. 3.9 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) N/A 27.0 μg/m3 (25) 8.0 μg/m3 (34) 36.0
 
July 26, 2021, 7 p.m. 3.5 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) N/A 26.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
July 26, 2021, 6 p.m. 3.8 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) N/A 21.0 μg/m3 (20) 14.0 μg/m3 (55) 55.0
 
July 26, 2021, 5 p.m. 3.7 ppb (4) 1.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) N/A 23.0 μg/m3 (22) 9.0 μg/m3 (38) 38.0
 
July 26, 2021, 4 p.m. 3.5 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (25) N/A 24.0 μg/m3 (23) 10.0 μg/m3 (42) 42.0
 
July 26, 2021, 3 p.m. 3.5 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (25) N/A 19.0 μg/m3 (18) 14.0 μg/m3 (55) 55.0
 
July 26, 2021, 2 p.m. 3.1 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (27) N/A 20.0 μg/m3 (19) 4.0 μg/m3 (17) 27.0
 
July 26, 2021, 1 p.m. 3.5 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) N/A 11.0 μg/m3 (11) 6.0 μg/m3 (25) 27.0
 
July 26, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
July 26, 2021, 11 a.m. 1.9 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) N/A 12.0 μg/m3 (12) 17.0 μg/m3 (62) 62.0
 
July 26, 2021, 10 a.m. 1.5 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) N/A 12.0 μg/m3 (12) 4.0 μg/m3 (17) 34.0
 
July 26, 2021, 9 a.m. 1.8 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) N/A 11.0 μg/m3 (11) 5.0 μg/m3 (21) 34.0
 
July 26, 2021, 8 a.m. 1.6 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) N/A 14.0 μg/m3 (13) 7.0 μg/m3 (30) 36.0
 
July 26, 2021, 7 a.m. 1.8 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) N/A 18.0 μg/m3 (17) 17.0 μg/m3 (62) 62.0
 
July 26, 2021, 6 a.m. 2.9 ppb (3) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) N/A 11.0 μg/m3 (11) 7.0 μg/m3 (30) 31.0
 
July 26, 2021, 5 a.m. 3.1 ppb (3) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 33.0
 
July 26, 2021, 4 a.m. 3.6 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) N/A 17.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
July 26, 2021, 3 a.m. 3.2 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (38) N/A 24.0 μg/m3 (23) 8.0 μg/m3 (34) 38.0
 
July 26, 2021, 2 a.m. 3.0 ppb (3) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (45) N/A 24.0 μg/m3 (23) 8.0 μg/m3 (34) 45.0
 
July 26, 2021, 1 a.m. 2.0 ppb (2) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (50) N/A 23.0 μg/m3 (22) 9.0 μg/m3 (38) 50.0
 
July 26, 2021, midnight 2.1 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 56.0 ppb (55) N/A 27.0 μg/m3 (25) 14.0 μg/m3 (55) 55.0
 
July 25, 2021, 11 p.m. 2.3 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (51) N/A 21.0 μg/m3 (20) 16.0 μg/m3 (60) 60.0
 
July 25, 2021, 10 p.m. 2.6 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (49) N/A 25.0 μg/m3 (24) 13.0 μg/m3 (53) 53.0
 
July 25, 2021, 9 p.m. 2.5 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (48) N/A 30.0 μg/m3 (28) 17.0 μg/m3 (62) 62.0
 
July 25, 2021, 8 p.m. 2.7 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (48) N/A 28.0 μg/m3 (26) 22.0 μg/m3 (72) 72.0
 
July 25, 2021, 7 p.m. 3.2 ppb (4) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (45) N/A 24.0 μg/m3 (23) 18.0 μg/m3 (64) 64.0
 
July 25, 2021, 6 p.m. 3.0 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) N/A 17.0 μg/m3 (16) 20.0 μg/m3 (68) 68.0
 
July 25, 2021, 5 p.m. 2.4 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) N/A 19.0 μg/m3 (18) 17.0 μg/m3 (62) 62.0
 
July 25, 2021, 4 p.m. 2.5 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) N/A 21.0 μg/m3 (20) 20.0 μg/m3 (68) 68.0
 
July 25, 2021, 3 p.m. 2.7 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (25) N/A 17.0 μg/m3 (16) 17.0 μg/m3 (62) 62.0
 
July 25, 2021, 2 p.m. 3.1 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (24) N/A 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
July 25, 2021, 1 p.m. 3.1 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (24) N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 24.0
 
July 25, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 8.0 μg/m3 (34) 34.0
 
July 25, 2021, 11 a.m. 2.6 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) N/A 13.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
July 25, 2021, 10 a.m. 2.5 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (27) N/A 13.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
July 25, 2021, 9 a.m. 2.8 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) N/A 13.0 μg/m3 (13) 11.0 μg/m3 (46) 46.0
 
July 25, 2021, 8 a.m. 3.7 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) N/A 15.0 μg/m3 (14) 10.0 μg/m3 (42) 42.0
 
July 25, 2021, 7 a.m. 5.2 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (26) N/A 23.0 μg/m3 (22) 13.0 μg/m3 (53) 53.0
 
July 25, 2021, 6 a.m. 4.3 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) N/A 25.0 μg/m3 (24) 22.0 μg/m3 (72) 72.0
 
July 25, 2021, 5 a.m. 4.4 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) N/A 21.0 μg/m3 (20) 26.0 μg/m3 (81) 81.0
 
July 25, 2021, 4 a.m. 5.9 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (35) N/A 26.0 μg/m3 (25) 23.0 μg/m3 (74) 74.0
 
July 25, 2021, 3 a.m. 4.0 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 51.0 ppb (48) N/A 28.0 μg/m3 (26) 49.0 μg/m3 (135) 135.0
 
July 25, 2021, 2 a.m. 3.2 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 66.0 ppb (87) N/A 29.0 μg/m3 (27) 13.0 μg/m3 (53) 87.0
 
July 25, 2021, 1 a.m. 2.3 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 65.0 ppb (84) N/A 27.0 μg/m3 (25) 15.0 μg/m3 (58) 84.0
 
July 25, 2021, midnight 2.4 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 66.0 ppb (87) N/A 24.0 μg/m3 (23) 12.0 μg/m3 (50) 87.0
 
July 24, 2021, 11 p.m. 2.8 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 67.0 ppb (91) N/A 33.0 μg/m3 (31) 15.0 μg/m3 (58) 91.0
 
July 24, 2021, 10 p.m. 4.1 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 62.0 ppb (74) N/A 28.0 μg/m3 (26) 13.0 μg/m3 (53) 74.0
 
July 24, 2021, 9 p.m. 4.3 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 55.0 ppb (51) N/A 35.0 μg/m3 (33) 19.0 μg/m3 (66) 66.0
 
July 24, 2021, 8 p.m. 4.5 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 50.0 ppb (47) N/A 25.0 μg/m3 (24) 12.0 μg/m3 (50) 50.0
 
July 24, 2021, 7 p.m. 4.6 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 48.0 ppb (45) N/A 36.0 μg/m3 (34) 17.0 μg/m3 (62) 62.0
 
July 24, 2021, 6 p.m. 5.3 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (38) N/A 40.0 μg/m3 (38) 16.0 μg/m3 (60) 60.0
 
July 24, 2021, 5 p.m. 4.4 ppb (5) 1.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) N/A 30.0 μg/m3 (28) 12.0 μg/m3 (50) 50.0
 
July 24, 2021, 4 p.m. 4.6 ppb (5) 1.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) N/A 38.0 μg/m3 (36) 12.0 μg/m3 (50) 50.0
 
July 24, 2021, 3 p.m. 4.9 ppb (5) 1.3 ppb (2) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (24) N/A 33.0 μg/m3 (31) 13.0 μg/m3 (53) 53.0
 
July 24, 2021, 2 p.m. 5.6 ppb (6) 1.3 ppb (2) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (21) N/A 21.0 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
July 24, 2021, 1 p.m. 6.7 ppb (7) 1.4 ppb (2) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (18) N/A 19.0 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
July 24, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 15.0 μg/m3 (58) 58.0
 
July 24, 2021, 11 a.m. 4.6 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (22) N/A 17.0 μg/m3 (16) 17.0 μg/m3 (62) 62.0
 
July 24, 2021, 10 a.m. 4.7 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (23) N/A 22.0 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
July 24, 2021, 9 a.m. 3.7 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) N/A 22.0 μg/m3 (21) 21.0 μg/m3 (70) 70.0
 
July 24, 2021, 8 a.m. 3.7 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) N/A 20.0 μg/m3 (19) 9.0 μg/m3 (38) 38.0
 
July 24, 2021, 7 a.m. 4.4 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) N/A 19.0 μg/m3 (18) 8.0 μg/m3 (34) 34.0
 
July 24, 2021, 6 a.m. 4.1 ppb (4) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (36) N/A 22.0 μg/m3 (21) 12.0 μg/m3 (50) 50.0
 
July 24, 2021, 5 a.m. 4.4 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (36) N/A 26.0 μg/m3 (25) 13.0 μg/m3 (53) 53.0
 
July 24, 2021, 4 a.m. 6.1 ppb (6) 0.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 47.0 ppb (44) N/A 30.0 μg/m3 (28) 15.0 μg/m3 (58) 58.0
 
July 24, 2021, 3 a.m. 3.3 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 60.0 ppb (68) N/A 28.0 μg/m3 (26) 9.0 μg/m3 (38) 68.0
 
July 24, 2021, 2 a.m. 2.5 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 69.0 ppb (97) N/A 30.0 μg/m3 (28) 8.0 μg/m3 (34) 97.0
 
July 24, 2021, 1 a.m. 1.6 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 68.0 ppb (94) N/A 23.0 μg/m3 (22) 11.0 μg/m3 (46) 94.0
 
July 24, 2021, midnight 1.7 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 64.0 ppb (81) N/A 18.0 μg/m3 (17) 8.0 μg/m3 (34) 81.0
 
July 23, 2021, 11 p.m. 2.0 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 64.0 ppb (81) N/A 28.0 μg/m3 (26) 9.0 μg/m3 (38) 81.0
 
July 23, 2021, 10 p.m. 2.7 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 62.0 ppb (74) N/A 31.0 μg/m3 (29) 15.0 μg/m3 (58) 74.0
 
July 23, 2021, 9 p.m. 3.8 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 62.0 ppb (74) N/A 35.0 μg/m3 (33) 19.0 μg/m3 (66) 74.0
 
July 23, 2021, 8 p.m. 3.8 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 58.0 ppb (61) N/A 27.0 μg/m3 (25) 18.0 μg/m3 (64) 64.0
 
July 23, 2021, 7 p.m. 4.7 ppb (5) 1.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 55.0 ppb (51) N/A 38.0 μg/m3 (36) 15.0 μg/m3 (58) 58.0
 
July 23, 2021, 6 p.m. 5.8 ppb (6) 1.3 ppb (2) N/A 5.0 ppb (5) N/A N/A 50.0 ppb (47) N/A 28.0 μg/m3 (26) 35.0 μg/m3 (100) 100.0
 
July 23, 2021, 5 p.m. 7.6 ppb (8) 1.9 ppb (2) N/A 6.0 ppb (6) N/A N/A 39.0 ppb (37) N/A 33.0 μg/m3 (31) 15.0 μg/m3 (58) 58.0
 
July 23, 2021, 4 p.m. 8.4 ppb (8) 2.8 ppb (3) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (25) N/A 35.0 μg/m3 (33) 16.0 μg/m3 (60) 60.0
 
July 23, 2021, 3 p.m. 7.9 ppb (8) 3.0 ppb (3) N/A 5.0 ppb (5) N/A N/A 18.0 ppb (17) N/A 35.0 μg/m3 (33) 14.0 μg/m3 (55) 55.0
 
July 23, 2021, 2 p.m. 9.2 ppb (9) 3.5 ppb (4) N/A 6.0 ppb (6) N/A N/A 12.0 ppb (12) N/A 32.0 μg/m3 (30) 13.0 μg/m3 (53) 53.0
 
July 23, 2021, 1 p.m. 15.1 ppb (15) 4.9 ppb (5) N/A 10.0 ppb (10) N/A N/A 7.0 ppb (7) N/A 34.0 μg/m3 (32) 9.0 μg/m3 (38) 38.0
 
July 23, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 55.0 μg/m3 (51) 23.0 μg/m3 (74) 74.0
 
July 23, 2021, 11 a.m. 6.4 ppb (7) 1.2 ppb (2) N/A 5.0 ppb (5) N/A N/A 14.0 ppb (13) N/A 18.0 μg/m3 (17) 13.0 μg/m3 (53) 53.0
 
July 23, 2021, 10 a.m. 4.6 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 17.0 ppb (16) N/A 16.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
July 23, 2021, 9 a.m. 5.0 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 18.0 ppb (17) N/A 23.0 μg/m3 (22) 13.0 μg/m3 (53) 53.0
 
July 23, 2021, 8 a.m. 4.2 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (20) N/A 23.0 μg/m3 (22) 22.0 μg/m3 (72) 72.0
 
July 23, 2021, 7 a.m. 3.8 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (22) N/A 21.0 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
July 23, 2021, 6 a.m. 3.1 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (24) N/A 20.0 μg/m3 (19) 7.0 μg/m3 (30) 30.0