ID: 237

AQSQID: 061010003

Site Name: Yuba City

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

Updated: Sept. 29, 2020, 10:38 p.m.

Location: Yuba City (Almond St), CA

Reporting: True, Located: True

Current AQI: 56.0

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
Sept. 29, 2020, 9 p.m. 4.1 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A N/A 39.6 μg/m3 (36) 15.0 μg/m3 (56) 56.0
 
Sept. 29, 2020, 8 p.m. 6.8 ppb (6) 1.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 55.0 ppb (42) N/A 37.6 μg/m3 (34) 11.0 μg/m3 (46) 46.0
 
Sept. 29, 2020, 7 p.m. 7.9 ppb (7) 1.4 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A N/A 34.0 μg/m3 (31) 15.0 μg/m3 (56) 56.0
 
Sept. 29, 2020, 6 p.m. 8.8 ppb (8) 2.0 ppb (2) N/A 7.0 ppb (6) N/A N/A 36.0 ppb (28) N/A 37.5 μg/m3 (34) 11.0 μg/m3 (46) 46.0
 
Sept. 29, 2020, 5 p.m. 9.5 ppb (9) 2.4 ppb (2) N/A 7.0 ppb (6) N/A N/A N/A N/A 35.1 μg/m3 (32) 10.0 μg/m3 (42) 42.0
 
Sept. 29, 2020, 4 p.m. 18.6 ppb (17) 5.1 ppb (5) N/A 14.0 ppb (13) N/A N/A 19.0 ppb (15) N/A 41.7 μg/m3 (38) 14.0 μg/m3 (54) 54.0
 
Sept. 29, 2020, 3 p.m. 31.8 ppb (29) 12.2 ppb (11) N/A 20.0 ppb (19) N/A N/A N/A N/A 95.3 μg/m3 (70) 24.0 μg/m3 (76) 76.0
 
Sept. 29, 2020, 2 p.m. 53.1 ppb (49) 30.3 ppb (28) N/A 23.0 ppb (21) N/A N/A 2.0 ppb (2) N/A 101.6 μg/m3 (73) 27.0 μg/m3 (82) 82.0
 
Sept. 29, 2020, 1 p.m. 27.6 ppb (26) 7.3 ppb (7) N/A 20.0 ppb (19) N/A N/A N/A N/A 44.2 μg/m3 (40) 18.0 μg/m3 (63) 63.0
 
Sept. 29, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 38.2 μg/m3 (35) 10.0 μg/m3 (42) 42.0
 
Sept. 29, 2020, 11 a.m. 7.9 ppb (7) 1.6 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A N/A 40.9 μg/m3 (37) 13.0 μg/m3 (52) 52.0
 
Sept. 29, 2020, 10 a.m. 9.7 ppb (9) 1.8 ppb (2) N/A 8.0 ppb (7) N/A N/A 15.0 ppb (12) N/A 45.6 μg/m3 (41) 22.0 μg/m3 (71) 71.0
 
Sept. 29, 2020, 9 a.m. 13.5 ppb (12) 1.6 ppb (1) N/A 12.0 ppb (11) N/A N/A N/A N/A 44.1 μg/m3 (40) 19.0 μg/m3 (65) 65.0
 
Sept. 29, 2020, 8 a.m. 8.3 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 26.0 ppb (20) N/A 51.4 μg/m3 (47) 23.0 μg/m3 (73) 73.0
 
Sept. 29, 2020, 7 a.m. 9.0 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A N/A N/A N/A 52.8 μg/m3 (48) 31.0 μg/m3 (90) 90.0
 
Sept. 29, 2020, 6 a.m. 9.3 ppb (9) 1.1 ppb (1) N/A 8.0 ppb (7) N/A N/A 25.0 ppb (19) N/A 49.2 μg/m3 (45) 19.0 μg/m3 (65) 65.0
 
Sept. 29, 2020, 5 a.m. 11.6 ppb (11) 1.5 ppb (1) N/A 10.0 ppb (9) N/A N/A 21.0 ppb (16) N/A 63.7 μg/m3 (54) 19.0 μg/m3 (65) 65.0
 
Sept. 29, 2020, 4 a.m. 24.7 ppb (23) 3.5 ppb (3) N/A 21.0 ppb (19) N/A N/A 9.0 ppb (7) N/A 65.6 μg/m3 (55) 16.0 μg/m3 (59) 59.0
 
Sept. 29, 2020, 3 a.m. 31.6 ppb (29) 3.9 ppb (4) N/A 28.0 ppb (26) N/A N/A N/A N/A 48.9 μg/m3 (44) 17.0 μg/m3 (61) 61.0
 
Sept. 29, 2020, 2 a.m. 21.2 ppb (20) 2.5 ppb (2) N/A 19.0 ppb (18) N/A N/A 21.0 ppb (16) N/A 41.8 μg/m3 (38) 4.0 μg/m3 (17) 38.0
 
Sept. 29, 2020, 1 a.m. 7.4 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A N/A 42.8 μg/m3 (39) N/A 39.0
 
Sept. 29, 2020, midnight 4.3 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 49.0 ppb (38) N/A 63.7 μg/m3 (54) 18.0 μg/m3 (63) 63.0
 
Sept. 28, 2020, 11 p.m. 3.9 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A N/A 103.6 μg/m3 (74) 55.0 μg/m3 (149) 149.0
 
Sept. 28, 2020, 10 p.m. 3.6 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 55.0 ppb (42) N/A N/A 14.0 μg/m3 (54) 54.0
 
Sept. 28, 2020, 9 p.m. 3.8 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A N/A 4.0
 
Sept. 28, 2020, 8 p.m. 3.1 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A 76.2 μg/m3 (61) 26.0 μg/m3 (80) 80.0
 
Sept. 28, 2020, 7 p.m. 3.7 ppb (3) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (37) N/A 71.2 μg/m3 (58) 25.0 μg/m3 (78) 78.0
 
Sept. 28, 2020, 6 p.m. 3.6 ppb (3) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A N/A 76.5 μg/m3 (61) 29.0 μg/m3 (86) 86.0
 
Sept. 28, 2020, 5 p.m. 3.6 ppb (3) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) N/A 69.1 μg/m3 (57) 27.0 μg/m3 (82) 82.0
 
Sept. 28, 2020, 4 p.m. 3.4 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A N/A 63.6 μg/m3 (54) 11.0 μg/m3 (46) 54.0
 
Sept. 28, 2020, 3 p.m. 2.7 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) N/A 55.5 μg/m3 (50) 11.0 μg/m3 (46) 50.0
 
Sept. 28, 2020, 2 p.m. 2.3 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A 37.5 μg/m3 (34) 9.0 μg/m3 (38) 38.0
 
Sept. 28, 2020, 1 p.m. 1.7 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A 32.2 μg/m3 (29) 6.0 μg/m3 (25) 29.0
 
Sept. 28, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 9.0 μg/m3 (38) 38.0
 
Sept. 28, 2020, 11 a.m. 0.7 ppb (1) 0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A 33.0 ppb (25) N/A 28.2 μg/m3 (26) 5.0 μg/m3 (21) 26.0
 
Sept. 28, 2020, 10 a.m. 0.5 ppb (0) 0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A 22.9 μg/m3 (21) 6.0 μg/m3 (25) 25.0
 
Sept. 28, 2020, 9 a.m. 1.1 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A 40.1 μg/m3 (36) 11.0 μg/m3 (46) 46.0
 
Sept. 28, 2020, 8 a.m. 2.2 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 71.2 μg/m3 (58) 40.0 μg/m3 (111) 111.0
 
Sept. 28, 2020, 7 a.m. 2.9 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 21.0 ppb (16) N/A 105.3 μg/m3 (75) 45.0 μg/m3 (124) 124.0
 
Sept. 28, 2020, 6 a.m. 3.7 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A N/A 95.0 μg/m3 (70) 45.0 μg/m3 (124) 124.0
 
Sept. 28, 2020, 5 a.m. 3.8 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) N/A 82.9 μg/m3 (64) 39.0 μg/m3 (109) 109.0
 
Sept. 28, 2020, 4 a.m. 8.4 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A N/A 56.3 μg/m3 (51) 28.0 μg/m3 (84) 84.0
 
Sept. 28, 2020, 3 a.m. 10.4 ppb (10) 1.1 ppb (1) N/A 9.0 ppb (8) N/A N/A 18.0 ppb (14) N/A 61.2 μg/m3 (53) 23.0 μg/m3 (73) 73.0
 
Sept. 28, 2020, 2 a.m. 5.8 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A N/A 56.6 μg/m3 (51) 27.0 μg/m3 (82) 82.0
 
Sept. 28, 2020, 1 a.m. 2.3 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) N/A 52.1 μg/m3 (47) 11.0 μg/m3 (46) 47.0
 
Sept. 28, 2020, midnight 1.9 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 57.8 μg/m3 (51) 8.0 μg/m3 (33) 51.0
 
Sept. 27, 2020, 11 p.m. 2.3 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) N/A 72.7 μg/m3 (59) 9.0 μg/m3 (38) 59.0
 
Sept. 27, 2020, 10 p.m. 1.7 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A 77.9 μg/m3 (61) 8.0 μg/m3 (33) 61.0
 
Sept. 27, 2020, 9 p.m. 2.1 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) N/A 98.4 μg/m3 (72) 10.0 μg/m3 (42) 72.0
 
Sept. 27, 2020, 8 p.m. 1.8 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 134.5 μg/m3 (90) 11.0 μg/m3 (46) 90.0
 
Sept. 27, 2020, 7 p.m. 1.6 ppb (1) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A 132.8 μg/m3 (89) 15.0 μg/m3 (56) 89.0
 
Sept. 27, 2020, 6 p.m. 1.4 ppb (1) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 129.9 μg/m3 (87) 12.0 μg/m3 (50) 87.0
 
Sept. 27, 2020, 5 p.m. 1.3 ppb (1) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A 238.0 μg/m3 (142) 17.0 μg/m3 (61) 142.0
 
Sept. 27, 2020, 4 p.m. 1.1 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A 132.9 μg/m3 (89) 8.0 μg/m3 (33) 89.0
 
Sept. 27, 2020, 3 p.m. 0.7 ppb (1) 0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A 30.0 ppb (23) N/A 78.9 μg/m3 (62) 8.0 μg/m3 (33) 62.0
 
Sept. 27, 2020, 2 p.m. 0.5 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A 74.4 μg/m3 (60) 2.0 μg/m3 (8) 60.0
 
Sept. 27, 2020, 1 p.m. 0.3 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 31.0 ppb (24) N/A 86.6 μg/m3 (66) 4.0 μg/m3 (17) 66.0
 
Sept. 27, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 94.9 μg/m3 (70) 6.0 μg/m3 (25) 70.0
 
Sept. 27, 2020, 11 a.m. N/A 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 33.0 ppb (25) N/A 112.7 μg/m3 (79) 6.0 μg/m3 (25) 79.0
 
Sept. 27, 2020, 10 a.m. N/A 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A 168.4 μg/m3 (107) 9.0 μg/m3 (38) 107.0
 
Sept. 27, 2020, 9 a.m. N/A 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 32.0 ppb (25) N/A 139.2 μg/m3 (92) 6.0 μg/m3 (25) 92.0
 
Sept. 27, 2020, 8 a.m. N/A 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A 103.1 μg/m3 (74) 3.0 μg/m3 (12) 74.0
 
Sept. 27, 2020, 7 a.m. 0.8 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) N/A 54.6 μg/m3 (50) 1.0 μg/m3 (4) 50.0
 
Sept. 27, 2020, 6 a.m. 0.8 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A 39.5 μg/m3 (36) 18.0 μg/m3 (63) 63.0
 
Sept. 27, 2020, 5 a.m. 1.3 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) N/A 37.4 μg/m3 (34) 20.0 μg/m3 (67) 67.0
 
Sept. 27, 2020, 4 a.m. 2.0 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A 20.1 μg/m3 (18) 7.0 μg/m3 (29) 29.0
 
Sept. 27, 2020, 3 a.m. 5.8 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (20) N/A 15.7 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
Sept. 27, 2020, 2 a.m. 5.8 ppb (5) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A N/A 28.5 μg/m3 (26) 7.0 μg/m3 (29) 29.0
 
Sept. 27, 2020, 1 a.m. 3.2 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (24) N/A 25.1 μg/m3 (23) 6.0 μg/m3 (25) 25.0
 
Sept. 27, 2020, midnight 2.6 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A 24.9 μg/m3 (23) 5.0 μg/m3 (21) 23.0
 
Sept. 26, 2020, 11 p.m. 2.1 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A 26.5 μg/m3 (24) 2.0 μg/m3 (8) 24.0
 
Sept. 26, 2020, 10 p.m. 2.6 ppb (2) 1.2 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 31.3 μg/m3 (28) 2.0 μg/m3 (8) 28.0
 
Sept. 26, 2020, 9 p.m. 2.2 ppb (2) 1.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A 34.4 μg/m3 (31) 5.0 μg/m3 (21) 31.0
 
Sept. 26, 2020, 8 p.m. 3.0 ppb (3) 1.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 46.5 μg/m3 (42) 8.0 μg/m3 (33) 42.0
 
Sept. 26, 2020, 7 p.m. 2.9 ppb (3) 1.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A 58.8 μg/m3 (52) 9.0 μg/m3 (38) 52.0
 
Sept. 26, 2020, 6 p.m. 3.3 ppb (3) 1.8 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A N/A 82.7 μg/m3 (64) 9.0 μg/m3 (38) 64.0
 
Sept. 26, 2020, 5 p.m. 4.0 ppb (4) 2.2 ppb (2) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A 38.7 μg/m3 (35) 8.0 μg/m3 (33) 35.0
 
Sept. 26, 2020, 4 p.m. 11.3 ppb (10) 4.6 ppb (4) N/A 7.0 ppb (6) N/A N/A N/A N/A 33.7 μg/m3 (31) 10.0 μg/m3 (42) 42.0
 
Sept. 26, 2020, 3 p.m. 32.9 ppb (30) 16.4 ppb (15) N/A 16.0 ppb (15) N/A N/A 5.0 ppb (4) N/A 52.6 μg/m3 (48) 12.0 μg/m3 (50) 50.0
 
Sept. 26, 2020, 2 p.m. 25.3 ppb (23) 10.0 ppb (9) N/A 15.0 ppb (14) N/A N/A N/A N/A 25.6 μg/m3 (23) 5.0 μg/m3 (21) 23.0
 
Sept. 26, 2020, 1 p.m. 14.5 ppb (13) 2.3 ppb (2) N/A 12.0 ppb (11) N/A N/A 7.0 ppb (5) N/A 21.8 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
Sept. 26, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 23.6 μg/m3 (21) 6.0 μg/m3 (25) 25.0
 
Sept. 26, 2020, 11 a.m. 11.5 ppb (11) 2.2 ppb (2) N/A 9.0 ppb (8) N/A N/A 10.0 ppb (8) N/A 21.0 μg/m3 (19) 9.0 μg/m3 (38) 38.0
 
Sept. 26, 2020, 10 a.m. 10.6 ppb (10) 1.5 ppb (1) N/A 9.0 ppb (8) N/A N/A N/A N/A 26.8 μg/m3 (24) 7.0 μg/m3 (29) 29.0
 
Sept. 26, 2020, 9 a.m. 8.3 ppb (8) 1.5 ppb (1) N/A 7.0 ppb (6) N/A N/A 19.0 ppb (15) N/A 33.0 μg/m3 (30) 12.0 μg/m3 (50) 50.0
 
Sept. 26, 2020, 8 a.m. 8.9 ppb (8) 1.7 ppb (2) N/A 7.0 ppb (6) N/A N/A N/A N/A 27.7 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
Sept. 26, 2020, 7 a.m. 12.9 ppb (12) 2.2 ppb (2) N/A 11.0 ppb (10) N/A N/A 18.0 ppb (14) N/A 25.1 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
Sept. 26, 2020, 6 a.m. 25.5 ppb (24) 7.4 ppb (7) N/A 18.0 ppb (17) N/A N/A 9.0 ppb (7) N/A 53.7 μg/m3 (49) 14.0 μg/m3 (54) 54.0
 
Sept. 26, 2020, 5 a.m. 32.0 ppb (30) 8.4 ppb (8) N/A 24.0 ppb (22) N/A N/A 2.0 ppb (2) N/A 51.7 μg/m3 (47) 17.0 μg/m3 (61) 61.0
 
Sept. 26, 2020, 4 a.m. 28.5 ppb (26) 4.5 ppb (4) N/A 24.0 ppb (22) N/A N/A N/A N/A 43.6 μg/m3 (40) 15.0 μg/m3 (56) 56.0
 
Sept. 26, 2020, 3 a.m. 27.4 ppb (25) 4.2 ppb (4) N/A 23.0 ppb (21) N/A N/A 9.0 ppb (7) N/A 40.9 μg/m3 (37) 16.0 μg/m3 (59) 59.0
 
Sept. 26, 2020, 2 a.m. 15.8 ppb (15) 1.4 ppb (1) N/A 14.0 ppb (13) N/A N/A 21.0 ppb (16) N/A 28.1 μg/m3 (26) 7.0 μg/m3 (29) 29.0
 
Sept. 26, 2020, 1 a.m. 6.6 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 37.0 ppb (28) N/A 20.9 μg/m3 (19) 6.0 μg/m3 (25) 28.0
 
Sept. 26, 2020, midnight 4.3 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A N/A 20.2 μg/m3 (18) 4.0 μg/m3 (17) 18.0
 
Sept. 25, 2020, 11 p.m. 2.9 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A 15.6 μg/m3 (14) 4.0 μg/m3 (17) 30.0
 
Sept. 25, 2020, 10 p.m. 2.5 ppb (2) 1.2 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 18.9 μg/m3 (17) 7.0 μg/m3 (29) 29.0
 
Sept. 25, 2020, 9 p.m. 3.6 ppb (3) 1.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) N/A 21.4 μg/m3 (19) 7.0 μg/m3 (29) 32.0
 
Sept. 25, 2020, 8 p.m. 4.3 ppb (4) 1.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) N/A 23.1 μg/m3 (21) 7.0 μg/m3 (29) 30.0
 
Sept. 25, 2020, 7 p.m. 3.7 ppb (3) 1.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) N/A 20.4 μg/m3 (19) 8.0 μg/m3 (33) 33.0
 
Sept. 25, 2020, 6 p.m. 3.2 ppb (3) 1.6 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A 21.8 μg/m3 (20) 6.0 μg/m3 (25) 25.0
 
Sept. 25, 2020, 5 p.m. 3.5 ppb (3) 1.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) N/A 18.1 μg/m3 (16) 5.0 μg/m3 (21) 22.0
 
Sept. 25, 2020, 4 p.m. 4.1 ppb (4) 1.6 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A 19.9 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
Sept. 25, 2020, 3 p.m. 5.7 ppb (5) 1.8 ppb (2) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) N/A 13.6 μg/m3 (12) 7.0 μg/m3 (29) 29.0
 
Sept. 25, 2020, 2 p.m. 9.0 ppb (8) 1.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 16.0 ppb (12) N/A 11.9 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Sept. 25, 2020, 1 p.m. 8.6 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A N/A 13.0 ppb (10) N/A 8.3 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
Sept. 25, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 11.2 μg/m3 (10) 2.0 μg/m3 (8) 10.0
 
Sept. 25, 2020, 11 a.m. 3.0 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 21.0 ppb (16) N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
Sept. 25, 2020, 10 a.m. 2.5 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A 9.8 μg/m3 (9) 7.0 μg/m3 (29) 29.0
 
Sept. 25, 2020, 9 a.m. 2.2 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A 9.5 μg/m3 (9) 4.0 μg/m3 (17) 20.0
 
Sept. 25, 2020, 8 a.m. 2.2 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A 8.8 μg/m3 (8) 8.0 μg/m3 (33) 33.0
 
Sept. 25, 2020, 7 a.m. 2.2 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) N/A 11.0 μg/m3 (10) 4.0 μg/m3 (17) 22.0
 
Sept. 25, 2020, 6 a.m. 2.3 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A 18.0 μg/m3 (16) 3.0 μg/m3 (12) 16.0
 
Sept. 25, 2020, 5 a.m. 2.9 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) N/A 14.5 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
Sept. 25, 2020, 4 a.m. 3.1 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A N/A 27.0 μg/m3 (25) 7.0 μg/m3 (29) 29.0
 
Sept. 25, 2020, 3 a.m. 3.3 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) N/A 33.4 μg/m3 (30) 7.0 μg/m3 (29) 30.0
 
Sept. 25, 2020, 2 a.m. 4.1 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) N/A 25.1 μg/m3 (23) 7.0 μg/m3 (29) 29.0
 
Sept. 25, 2020, 1 a.m. 3.2 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) N/A 18.7 μg/m3 (17) 4.0 μg/m3 (17) 28.0
 
Sept. 25, 2020, midnight 2.4 ppb (2) 1.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) N/A 22.3 μg/m3 (20) 5.0 μg/m3 (21) 28.0
 
Sept. 24, 2020, 11 p.m. 2.7 ppb (3) 1.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (29) N/A 23.5 μg/m3 (21) 7.0 μg/m3 (29) 29.0
 
Sept. 24, 2020, 10 p.m. 2.8 ppb (3) 1.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) N/A 26.5 μg/m3 (24) 7.0 μg/m3 (29) 29.0
 
Sept. 24, 2020, 9 p.m. 3.2 ppb (3) 1.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) N/A 21.4 μg/m3 (19) 6.0 μg/m3 (25) 28.0
 
Sept. 24, 2020, 8 p.m. 3.5 ppb (3) 1.9 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A N/A 25.2 μg/m3 (23) 8.0 μg/m3 (33) 33.0
 
Sept. 24, 2020, 7 p.m. 3.9 ppb (4) 2.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) N/A 22.2 μg/m3 (20) 8.0 μg/m3 (33) 33.0
 
Sept. 24, 2020, 6 p.m. 4.4 ppb (4) 2.4 ppb (2) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (18) N/A 14.9 μg/m3 (14) 2.0 μg/m3 (8) 18.0
 
Sept. 24, 2020, 5 p.m. 4.4 ppb (4) 2.5 ppb (2) N/A 2.0 ppb (2) N/A N/A 19.0 ppb (15) N/A 16.6 μg/m3 (15) 3.0 μg/m3 (12) 15.0
 
Sept. 24, 2020, 4 p.m. 5.0 ppb (5) 2.8 ppb (3) N/A 2.0 ppb (2) N/A N/A N/A N/A 14.5 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
Sept. 24, 2020, 3 p.m. 6.4 ppb (6) 2.8 ppb (3) N/A 4.0 ppb (4) N/A N/A 11.0 ppb (8) N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Sept. 24, 2020, 2 p.m. 9.7 ppb (9) 2.7 ppb (3) N/A 7.0 ppb (6) N/A N/A 5.0 ppb (4) N/A 15.3 μg/m3 (14) 8.0 μg/m3 (33) 33.0
 
Sept. 24, 2020, 1 p.m. 8.8 ppb (8) 2.1 ppb (2) N/A 7.0 ppb (6) N/A N/A 5.0 ppb (4) N/A 27.3 μg/m3 (25) 14.0 μg/m3 (54) 54.0
 
Sept. 24, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 4.3 μg/m3 (4) 3.0 μg/m3 (12) 12.0
 
Sept. 24, 2020, 11 a.m. 3.1 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A 6.8 μg/m3 (6) 3.0 μg/m3 (12) 12.0
 
Sept. 24, 2020, 10 a.m. 3.2 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 12.0 ppb (9) N/A 7.0 μg/m3 (6) 3.0 μg/m3 (12) 12.0
 
Sept. 24, 2020, 9 a.m. 2.6 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 13.0 ppb (10) N/A 7.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
Sept. 24, 2020, 8 a.m. 3.0 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 13.0 ppb (10) N/A 8.0 μg/m3 (7) 1.0 μg/m3 (4) 10.0
 
Sept. 24, 2020, 7 a.m. 3.0 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 14.0 ppb (11) N/A 12.0 μg/m3 (11) 1.0 μg/m3 (4) 11.0
 
Sept. 24, 2020, 6 a.m. 3.7 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A N/A 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Sept. 24, 2020, 5 a.m. 4.7 ppb (4) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 15.0 ppb (12) N/A 22.0 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
Sept. 24, 2020, 4 a.m. 4.1 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (12) N/A 19.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
Sept. 24, 2020, 3 a.m. 4.0 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) N/A 22.0 μg/m3 (20) 4.0 μg/m3 (17) 20.0
 
Sept. 24, 2020, 2 a.m. 3.9 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) N/A 27.0 μg/m3 (25) 7.0 μg/m3 (29) 29.0
 
Sept. 24, 2020, 1 a.m. 3.2 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) N/A 26.0 μg/m3 (24) 11.0 μg/m3 (46) 46.0
 
Sept. 24, 2020, midnight 3.0 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A 26.0 μg/m3 (24) 11.0 μg/m3 (46) 46.0
 
Sept. 23, 2020, 11 p.m. 2.6 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (34) N/A 34.0 μg/m3 (31) 15.0 μg/m3 (56) 56.0
 
Sept. 23, 2020, 10 p.m. 3.0 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A 42.0 μg/m3 (38) 22.0 μg/m3 (71) 71.0
 
Sept. 23, 2020, 9 p.m. 3.0 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A 46.0 μg/m3 (42) 20.0 μg/m3 (67) 67.0
 
Sept. 23, 2020, 8 p.m. 3.2 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A 33.0 μg/m3 (30) 6.0 μg/m3 (25) 30.0
 
Sept. 23, 2020, 7 p.m. 3.4 ppb (3) 1.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A 22.0 μg/m3 (20) 4.0 μg/m3 (17) 33.0
 
Sept. 23, 2020, 6 p.m. 4.5 ppb (4) 1.5 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A N/A 18.0 μg/m3 (16) 4.0 μg/m3 (17) 17.0
 
Sept. 23, 2020, 5 p.m. 5.7 ppb (5) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 24.0
 
Sept. 23, 2020, 4 p.m. 6.8 ppb (6) 2.3 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A N/A 17.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Sept. 23, 2020, 3 p.m. 10.2 ppb (9) 2.9 ppb (3) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) N/A 22.0 μg/m3 (20) 6.0 μg/m3 (25) 25.0
 
Sept. 23, 2020, 2 p.m. 14.9 ppb (14) 3.3 ppb (3) N/A 12.0 ppb (11) N/A N/A 10.0 ppb (8) N/A 14.0 μg/m3 (13) 3.0 μg/m3 (12) 14.0
 
Sept. 23, 2020, 1 p.m. 16.8 ppb (16) 2.8 ppb (3) N/A 14.0 ppb (13) N/A N/A 7.0 ppb (5) N/A 12.0 μg/m3 (11) 1.0 μg/m3 (4) 16.0
 
Sept. 23, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) -1.0 μg/m3 (0) 16.0
 
Sept. 23, 2020, 11 a.m. 5.7 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A N/A 8.0 μg/m3 (7) -2.0 μg/m3 (0) 7.0
 
Sept. 23, 2020, 10 a.m. 4.6 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 18.0 ppb (14) N/A 9.0 μg/m3 (8) -1.0 μg/m3 (0) 14.0
 
Sept. 23, 2020, 9 a.m. 4.1 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 16.0
 
Sept. 23, 2020, 8 a.m. 3.4 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) N/A 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Sept. 23, 2020, 7 a.m. 4.0 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 18.0
 
Sept. 23, 2020, 6 a.m. 5.1 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 21.0 ppb (16) N/A 15.0 μg/m3 (14) 4.0 μg/m3 (17) 17.0
 
Sept. 23, 2020, 5 a.m. 4.4 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) N/A 25.0 μg/m3 (23) 4.0 μg/m3 (17) 23.0
 
Sept. 23, 2020, 4 a.m. 5.4 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (19) N/A 22.0 μg/m3 (20) 5.0 μg/m3 (21) 21.0
 
Sept. 23, 2020, 3 a.m. 6.7 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A N/A 19.0 μg/m3 (17) 3.0 μg/m3 (12) 17.0
 
Sept. 23, 2020, 2 a.m. 5.7 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 43.0 ppb (33) N/A 28.0 μg/m3 (25) 5.0 μg/m3 (21) 33.0
 
Sept. 23, 2020, 1 a.m. 3.3 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A N/A 18.0 μg/m3 (16) 4.0 μg/m3 (17) 17.0
 
Sept. 23, 2020, midnight 3.2 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A 26.0 μg/m3 (24) 8.0 μg/m3 (33) 38.0
 
Sept. 22, 2020, 11 p.m. 3.0 ppb (3) 1.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A 36.0 μg/m3 (33) 14.0 μg/m3 (54) 54.0
 
Sept. 22, 2020, 10 p.m. 3.7 ppb (3) 1.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A 51.0 μg/m3 (46) 33.0 μg/m3 (95) 95.0