ID: 1399

AQSQID: 191770006

Site Name: Lake Sugema

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

Updated: July 31, 2021, 4:55 a.m.

Location: Keosauqua (Jasmine Rd), IA

Reporting: True, Located: True

Current AQI: 53.0

Keosauqua (Jasmine Rd) IA, US: 40.693298, -92.006104

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 24, 2021, 3 a.m. 1.3 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 22.0 μg/m3 (72) 72.0
 
July 24, 2021, 2 a.m. 1.1 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 20.0 μg/m3 (68) 68.0
 
July 24, 2021, 1 a.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 22.0 μg/m3 (72) 72.0
 
July 24, 2021, midnight 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 22.0 μg/m3 (72) 72.0
 
July 23, 2021, 11 p.m. 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 51.0 ppb (48) N/A N/A 28.0 μg/m3 (85) 85.0
 
July 23, 2021, 10 p.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 54.0 ppb (50) N/A N/A 18.0 μg/m3 (64) 64.0
 
July 23, 2021, 9 p.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 53.0 ppb (50) N/A N/A 19.0 μg/m3 (66) 66.0
 
July 23, 2021, 8 p.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 54.0 ppb (50) N/A N/A 18.0 μg/m3 (64) 64.0
 
July 23, 2021, 7 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 51.0 ppb (48) N/A N/A 26.0 μg/m3 (81) 81.0
 
July 23, 2021, 6 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 50.0 ppb (47) N/A N/A 20.0 μg/m3 (68) 68.0
 
July 23, 2021, 5 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A 24.0 μg/m3 (77) 77.0
 
July 23, 2021, 4 p.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 24.0 μg/m3 (77) 77.0
 
July 23, 2021, 3 p.m. 0.9 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 25.0 μg/m3 (79) 79.0
 
July 23, 2021, 2 p.m. 1.2 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 34.0 μg/m3 (98) 98.0
 
July 23, 2021, 1 p.m. 1.5 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 33.0 μg/m3 (95) 95.0
 
July 23, 2021, noon 1.6 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 28.0 μg/m3 (85) 85.0
 
July 23, 2021, 11 a.m. 1.3 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 27.0 μg/m3 (83) 83.0
 
July 23, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 22.0 μg/m3 (72) 72.0
 
July 23, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 30.0 μg/m3 (89) 89.0
 
July 23, 2021, 8 a.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (25) N/A N/A 15.0 μg/m3 (58) 58.0
 
July 23, 2021, 7 a.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 31.0 μg/m3 (91) 91.0
 
July 23, 2021, 6 a.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 27.0 μg/m3 (83) 83.0
 
July 23, 2021, 5 a.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 27.0 μg/m3 (83) 83.0
 
July 23, 2021, 4 a.m. 1.1 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 33.0 μg/m3 (95) 95.0
 
July 23, 2021, 3 a.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 28.0 μg/m3 (85) 85.0
 
July 23, 2021, 2 a.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 30.0 μg/m3 (89) 89.0
 
July 23, 2021, 1 a.m. 1.2 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 32.0 μg/m3 (93) 93.0
 
July 23, 2021, midnight 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 32.0 μg/m3 (93) 93.0
 
July 22, 2021, 11 p.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A 30.0 μg/m3 (89) 89.0
 
July 22, 2021, 10 p.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 47.0 ppb (44) N/A N/A 29.0 μg/m3 (87) 87.0
 
July 22, 2021, 9 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 49.0 ppb (46) N/A N/A 27.0 μg/m3 (83) 83.0
 
July 22, 2021, 8 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 50.0 ppb (47) N/A N/A 33.0 μg/m3 (95) 95.0
 
July 22, 2021, 7 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A 27.0 μg/m3 (83) 83.0
 
July 22, 2021, 6 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 24.0 μg/m3 (77) 77.0
 
July 22, 2021, 5 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 25.0 μg/m3 (79) 79.0
 
July 22, 2021, 4 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 47.0 ppb (44) N/A N/A 25.0 μg/m3 (79) 79.0
 
July 22, 2021, 3 p.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 28.0 μg/m3 (85) 85.0
 
July 22, 2021, 2 p.m. 1.0 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 24.0 μg/m3 (77) 77.0
 
July 22, 2021, 1 p.m. 1.3 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 20.0 μg/m3 (68) 68.0
 
July 22, 2021, noon 1.4 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 16.0 μg/m3 (60) 60.0
 
July 22, 2021, 11 a.m. 1.5 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 22, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 16.0 μg/m3 (60) 60.0
 
July 22, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 16.0 μg/m3 (60) 60.0
 
July 22, 2021, 8 a.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 21.0 ppb (20) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 22, 2021, 7 a.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 18.0 μg/m3 (64) 64.0
 
July 22, 2021, 6 a.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 14.0 μg/m3 (55) 55.0
 
July 22, 2021, 5 a.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 19.0 μg/m3 (66) 66.0
 
July 22, 2021, 4 a.m. 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 19.0 μg/m3 (66) 66.0
 
July 22, 2021, 3 a.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 20.0 μg/m3 (68) 68.0
 
July 22, 2021, 2 a.m. 1.4 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 20.0 μg/m3 (68) 68.0
 
July 22, 2021, 1 a.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 14.0 μg/m3 (55) 55.0
 
July 22, 2021, midnight 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 17.0 μg/m3 (62) 62.0
 
July 21, 2021, 11 p.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 15.0 μg/m3 (58) 58.0
 
July 21, 2021, 10 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 15.0 μg/m3 (58) 58.0
 
July 21, 2021, 9 p.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 47.0 ppb (44) N/A N/A 17.0 μg/m3 (62) 62.0
 
July 21, 2021, 8 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A 16.0 μg/m3 (60) 60.0
 
July 21, 2021, 7 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 50.0 ppb (47) N/A N/A 16.0 μg/m3 (60) 60.0
 
July 21, 2021, 6 p.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 51.0 ppb (48) N/A N/A 13.0 μg/m3 (53) 53.0
 
July 21, 2021, 5 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 53.0 ppb (50) N/A N/A 21.0 μg/m3 (70) 70.0
 
July 21, 2021, 4 p.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 50.0 ppb (47) N/A N/A 15.0 μg/m3 (58) 58.0
 
July 21, 2021, 3 p.m. 1.4 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 19.0 μg/m3 (66) 66.0
 
July 21, 2021, 2 p.m. 0.9 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 21, 2021, 1 p.m. 0.9 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 19.0 μg/m3 (66) 66.0
 
July 21, 2021, noon 0.9 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 14.0 μg/m3 (55) 55.0
 
July 21, 2021, 11 a.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 21, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 15.0 μg/m3 (58) 58.0
 
July 21, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 17.0 μg/m3 (62) 62.0
 
July 21, 2021, 8 a.m. 1.3 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 16.0 ppb (15) N/A N/A 15.0 μg/m3 (58) 58.0
 
July 21, 2021, 7 a.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 15.0 μg/m3 (58) 58.0
 
July 21, 2021, 6 a.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
July 21, 2021, 5 a.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 17.0 μg/m3 (62) 62.0
 
July 21, 2021, 4 a.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 17.0 μg/m3 (62) 62.0
 
July 21, 2021, 3 a.m. 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 17.0 μg/m3 (62) 62.0
 
July 21, 2021, 2 a.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 13.0 μg/m3 (53) 53.0
 
July 21, 2021, 1 a.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 14.0 μg/m3 (55) 55.0
 
July 21, 2021, midnight 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 13.0 μg/m3 (53) 53.0
 
July 20, 2021, 11 p.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 16.0 μg/m3 (60) 60.0
 
July 20, 2021, 10 p.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 20, 2021, 9 p.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 8.0 μg/m3 (34) 43.0
 
July 20, 2021, 8 p.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 51.0 ppb (48) N/A N/A 13.0 μg/m3 (53) 53.0
 
July 20, 2021, 7 p.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 51.0 ppb (48) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 20, 2021, 6 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 53.0 ppb (50) N/A N/A 18.0 μg/m3 (64) 64.0
 
July 20, 2021, 5 p.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 53.0 ppb (50) N/A N/A 16.0 μg/m3 (60) 60.0
 
July 20, 2021, 4 p.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 51.0 ppb (48) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 20, 2021, 3 p.m. 0.9 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 14.0 μg/m3 (55) 55.0
 
July 20, 2021, 2 p.m. 1.0 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 17.0 μg/m3 (62) 62.0
 
July 20, 2021, 1 p.m. 1.3 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 16.0 μg/m3 (60) 60.0
 
July 20, 2021, noon 1.0 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 17.0 μg/m3 (62) 62.0
 
July 20, 2021, 11 a.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 20, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 11.0 ppb (11) N/A N/A 8.0 μg/m3 (34) 34.0
 
July 20, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 20, 2021, 8 a.m. 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 19.0 ppb (18) N/A N/A 15.0 μg/m3 (58) 58.0
 
July 20, 2021, 7 a.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 14.0 μg/m3 (55) 55.0
 
July 20, 2021, 6 a.m. 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
July 20, 2021, 5 a.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 20, 2021, 4 a.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 14.0 μg/m3 (55) 55.0
 
July 20, 2021, 3 a.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 14.0 μg/m3 (55) 55.0
 
July 20, 2021, 2 a.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 20, 2021, 1 a.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 20, 2021, midnight 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 19, 2021, 11 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 39.0 ppb (37) N/A N/A 8.0 μg/m3 (34) 37.0
 
July 19, 2021, 10 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A 9.0 μg/m3 (38) 45.0
 
July 19, 2021, 9 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 49.0 ppb (46) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 19, 2021, 8 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 46.0 ppb (43) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 19, 2021, 7 p.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 2.0 ppb (3) 46.0 ppb (43) N/A N/A 14.0 μg/m3 (55) 55.0
 
July 19, 2021, 6 p.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (43) N/A N/A 9.0 μg/m3 (38) 43.0
 
July 19, 2021, 5 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 19, 2021, 4 p.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 14.0 μg/m3 (55) 55.0
 
July 19, 2021, 3 p.m. 0.9 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 19, 2021, 2 p.m. 1.1 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 14.0 μg/m3 (55) 55.0
 
July 19, 2021, 1 p.m. 1.3 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 19, 2021, noon 1.4 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 16.0 ppb (15) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 19, 2021, 11 a.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 14.0 ppb (13) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 19, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 19, 2021, 9 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 15.0 ppb (14) N/A N/A 15.0 μg/m3 (58) 58.0
 
July 19, 2021, 8 a.m. 1.2 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 17.0 ppb (16) N/A N/A 13.0 μg/m3 (53) 53.0
 
July 19, 2021, 7 a.m. 1.2 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 15.0 μg/m3 (58) 58.0
 
July 19, 2021, 6 a.m. 1.3 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
July 19, 2021, 5 a.m. 1.2 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 19, 2021, 4 a.m. 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 19, 2021, 3 a.m. 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 19, 2021, 2 a.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 19, 2021, 1 a.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 19, 2021, midnight 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 18, 2021, 11 p.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 18, 2021, 10 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 18, 2021, 9 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 16.0 μg/m3 (60) 60.0
 
July 18, 2021, 8 p.m. 0.4 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 9.0 μg/m3 (38) 42.0
 
July 18, 2021, 7 p.m. 0.4 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 18, 2021, 6 p.m. 0.4 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 18, 2021, 5 p.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 18, 2021, 4 p.m. 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 20.0 μg/m3 (68) 68.0
 
July 18, 2021, 3 p.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 18.0 μg/m3 (64) 64.0
 
July 18, 2021, 2 p.m. 1.2 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 17.0 μg/m3 (62) 62.0
 
July 18, 2021, 1 p.m. 1.2 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 14.0 μg/m3 (55) 55.0
 
July 18, 2021, noon 1.2 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 15.0 μg/m3 (58) 58.0
 
July 18, 2021, 11 a.m. 1.5 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 11.0 ppb (11) N/A N/A 17.0 μg/m3 (62) 62.0
 
July 18, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 19.0 μg/m3 (66) 66.0
 
July 18, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 14.0 μg/m3 (55) 55.0
 
July 18, 2021, 8 a.m. 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 13.0 ppb (13) N/A N/A 17.0 μg/m3 (62) 62.0
 
July 18, 2021, 7 a.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 19.0 μg/m3 (66) 66.0
 
July 18, 2021, 6 a.m. 0.6 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
July 18, 2021, 5 a.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 19.0 μg/m3 (66) 66.0
 
July 18, 2021, 4 a.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 19.0 μg/m3 (66) 66.0
 
July 18, 2021, 3 a.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 18.0 μg/m3 (64) 64.0
 
July 18, 2021, 2 a.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 17.0 μg/m3 (62) 62.0
 
July 18, 2021, 1 a.m. 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 17.0 μg/m3 (62) 62.0
 
July 18, 2021, midnight 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 21.0 μg/m3 (70) 70.0
 
July 17, 2021, 11 p.m. 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 13.0 μg/m3 (53) 53.0
 
July 17, 2021, 10 p.m. 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 18.0 μg/m3 (64) 64.0
 
July 17, 2021, 9 p.m. 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 13.0 μg/m3 (53) 53.0
 
July 17, 2021, 8 p.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 17, 2021, 7 p.m. 0.7 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 15.0 μg/m3 (58) 58.0
 
July 17, 2021, 6 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 16.0 μg/m3 (60) 60.0
 
July 17, 2021, 5 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 14.0 μg/m3 (55) 55.0
 
July 17, 2021, 4 p.m. 0.8 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 17, 2021, 3 p.m. 0.9 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 17.0 μg/m3 (62) 62.0
 
July 17, 2021, 2 p.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 20.0 μg/m3 (68) 68.0
 
July 17, 2021, 1 p.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 17.0 μg/m3 (62) 62.0
 
July 17, 2021, noon 0.9 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 14.0 μg/m3 (55) 55.0
 
July 17, 2021, 11 a.m. 0.8 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 11.0 ppb (11) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 17, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 8.0 μg/m3 (34) 34.0
 
July 17, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 17, 2021, 8 a.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 11.0 ppb (11) N/A N/A 16.0 μg/m3 (60) 60.0
 
July 17, 2021, 7 a.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 17.0 μg/m3 (62) 62.0
 
July 17, 2021, 6 a.m. 0.6 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A N/A 16.0
 
July 17, 2021, 5 a.m. 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 14.0 μg/m3 (55) 55.0
 
July 17, 2021, 4 a.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 15.0 μg/m3 (58) 58.0