ID: 2169

AQSQID: 490530007

Site Name: Hurricane

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

Updated: July 9, 2020, 4:34 a.m.

Location: Hurricane (N 870 W), UT

Reporting: True, Located: True

Current AQI: 40.0

Hurricane (N 870 W) UT, US: 37.179, -113.3052

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 9, 2020, 3 a.m. 7.8 ppb (7) 0.2 ppb (0) N/A 8.0 ppb (7) N/A N/A 52.0 ppb (40) N/A N/A 6.7 μg/m3 (28) 40.0
 
July 9, 2020, 2 a.m. 2.6 ppb (2) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 62.0 ppb (48) N/A N/A 5.1 μg/m3 (21) 48.0
 
July 9, 2020, 1 a.m. 2.0 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 62.0 ppb (48) N/A N/A 4.8 μg/m3 (20) 48.0
 
July 9, 2020, midnight 1.7 ppb (2) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 61.0 ppb (47) N/A N/A 4.7 μg/m3 (20) 47.0
 
July 8, 2020, 11 p.m. 2.3 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 58.0 ppb (45) N/A N/A 6.0 μg/m3 (25) 45.0
 
July 8, 2020, 10 p.m. 1.9 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 56.0 ppb (43) N/A N/A 6.3 μg/m3 (26) 43.0
 
July 8, 2020, 9 p.m. 1.8 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 55.0 ppb (42) N/A N/A 4.2 μg/m3 (18) 42.0
 
July 8, 2020, 8 p.m. 1.6 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 56.0 ppb (43) N/A N/A 3.2 μg/m3 (13) 43.0
 
July 8, 2020, 7 p.m. 1.5 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (42) N/A N/A 3.1 μg/m3 (13) 42.0
 
July 8, 2020, 6 p.m. 1.3 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (40) N/A N/A 3.3 μg/m3 (14) 40.0
 
July 8, 2020, 5 p.m. 1.9 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) N/A N/A 4.0 μg/m3 (17) 39.0
 
July 8, 2020, 4 p.m. 2.6 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) N/A N/A 5.9 μg/m3 (25) 35.0
 
July 8, 2020, 3 p.m. 2.5 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) N/A N/A 6.4 μg/m3 (27) 28.0
 
July 8, 2020, 2 p.m. 1.9 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A N/A 5.6 μg/m3 (23) 25.0
 
July 8, 2020, 1 p.m. 4.2 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) N/A N/A 7.4 μg/m3 (31) 31.0
 
July 8, 2020, noon 3.4 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) N/A N/A 4.5 μg/m3 (19) 22.0
 
July 8, 2020, 11 a.m. N/A 0.2 ppb (0) N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 4.2 μg/m3 (18) 23.0
 
July 8, 2020, 10 a.m. 2.2 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) N/A N/A 4.2 μg/m3 (18) 24.0
 
July 8, 2020, 9 a.m. 1.4 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 4.7 μg/m3 (20) 25.0
 
July 8, 2020, 8 a.m. 2.3 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) N/A N/A 5.6 μg/m3 (23) 25.0
 
July 8, 2020, 7 a.m. 3.3 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) N/A N/A 6.1 μg/m3 (25) 25.0
 
July 8, 2020, 6 a.m. 3.4 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) N/A N/A 6.4 μg/m3 (27) 27.0
 
July 8, 2020, 5 a.m. 1.6 ppb (1) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A N/A 7.0 μg/m3 (29) 30.0
 
July 8, 2020, 4 a.m. 1.8 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A N/A 10.3 μg/m3 (43) 43.0
 
July 8, 2020, 3 a.m. 2.2 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A N/A 3.9 μg/m3 (16) 32.0
 
July 8, 2020, 2 a.m. 1.9 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) N/A N/A 4.9 μg/m3 (20) 37.0
 
July 8, 2020, 1 a.m. 2.1 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (42) N/A N/A 5.4 μg/m3 (23) 42.0
 
July 8, 2020, midnight 2.3 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (42) N/A N/A 4.0 μg/m3 (17) 42.0
 
July 7, 2020, 11 p.m. 2.8 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A N/A 4.3 μg/m3 (18) 40.0
 
July 7, 2020, 10 p.m. 2.3 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (42) N/A N/A 5.1 μg/m3 (21) 42.0
 
July 7, 2020, 9 p.m. 3.6 ppb (3) 1.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 56.0 ppb (43) N/A N/A 7.6 μg/m3 (32) 43.0
 
July 7, 2020, 8 p.m. 1.8 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 56.0 ppb (43) N/A N/A 7.2 μg/m3 (30) 43.0
 
July 7, 2020, 7 p.m. 2.2 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (41) N/A N/A 6.7 μg/m3 (28) 41.0
 
July 7, 2020, 6 p.m. 1.7 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (40) N/A N/A 4.9 μg/m3 (20) 40.0
 
July 7, 2020, 5 p.m. 1.9 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) N/A N/A 4.7 μg/m3 (20) 37.0
 
July 7, 2020, 4 p.m. 1.8 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 3.9 μg/m3 (16) 33.0
 
July 7, 2020, 3 p.m. 2.0 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) N/A N/A 4.3 μg/m3 (18) 28.0
 
July 7, 2020, 2 p.m. 1.8 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A N/A 4.4 μg/m3 (18) 26.0
 
July 7, 2020, 1 p.m. 2.2 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) N/A N/A 4.4 μg/m3 (18) 25.0
 
July 7, 2020, noon 1.9 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) N/A N/A 4.7 μg/m3 (20) 25.0
 
July 7, 2020, 11 a.m. 2.9 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (24) N/A N/A 3.9 μg/m3 (16) 24.0
 
July 7, 2020, 10 a.m. 1.1 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 4.2 μg/m3 (18) 25.0
 
July 7, 2020, 9 a.m. 1.8 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) N/A N/A 4.4 μg/m3 (18) 25.0
 
July 7, 2020, 8 a.m. 2.4 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) N/A N/A 3.3 μg/m3 (14) 25.0
 
July 7, 2020, 7 a.m. 3.6 ppb (3) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) N/A N/A 3.0 μg/m3 (12) 25.0
 
July 7, 2020, 6 a.m. 2.1 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) N/A N/A 4.2 μg/m3 (18) 28.0
 
July 7, 2020, 5 a.m. 1.9 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A N/A 4.2 μg/m3 (18) 30.0
 
July 7, 2020, 4 a.m. 2.0 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A N/A 4.7 μg/m3 (20) 30.0
 
July 7, 2020, 3 a.m. 2.7 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) N/A N/A 4.5 μg/m3 (19) 32.0
 
July 7, 2020, 2 a.m. 3.0 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) N/A N/A 5.5 μg/m3 (23) 34.0
 
July 7, 2020, 1 a.m. 1.8 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) N/A N/A 4.3 μg/m3 (18) 35.0
 
July 7, 2020, midnight 2.0 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (34) N/A N/A 3.6 μg/m3 (15) 34.0
 
July 6, 2020, 11 p.m. 1.5 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A N/A 5.1 μg/m3 (21) 37.0
 
July 6, 2020, 10 p.m. 1.6 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A N/A 6.9 μg/m3 (29) 38.0
 
July 6, 2020, 9 p.m. 1.5 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (40) N/A N/A 6.3 μg/m3 (26) 40.0
 
July 6, 2020, 8 p.m. 2.7 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A N/A 3.7 μg/m3 (15) 38.0
 
July 6, 2020, 7 p.m. 2.4 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A 4.0 μg/m3 (17) 35.0
 
July 6, 2020, 6 p.m. 1.2 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A N/A 6.6 μg/m3 (28) 35.0
 
July 6, 2020, 5 p.m. 2.0 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) N/A N/A 5.5 μg/m3 (23) 35.0
 
July 6, 2020, 4 p.m. 4.1 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) N/A N/A 7.5 μg/m3 (31) 31.0
 
July 6, 2020, 3 p.m. 4.4 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) N/A N/A 7.6 μg/m3 (32) 32.0
 
July 6, 2020, 2 p.m. 3.5 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) N/A N/A 7.6 μg/m3 (32) 32.0
 
July 6, 2020, 1 p.m. 1.8 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A N/A 8.1 μg/m3 (34) 34.0
 
July 6, 2020, noon 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A N/A 6.4 μg/m3 (27) 27.0
 
July 6, 2020, 11 a.m. 1.2 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A N/A 6.2 μg/m3 (26) 26.0
 
July 6, 2020, 10 a.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A N/A 6.1 μg/m3 (25) 25.0
 
July 6, 2020, 9 a.m. 0.9 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A N/A 5.9 μg/m3 (25) 25.0
 
July 6, 2020, 8 a.m. 1.1 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A N/A 5.8 μg/m3 (24) 24.0
 
July 6, 2020, 7 a.m. 1.4 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A N/A 4.2 μg/m3 (18) 23.0
 
July 6, 2020, 6 a.m. 2.2 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) N/A N/A 5.2 μg/m3 (22) 24.0
 
July 6, 2020, 5 a.m. 3.1 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) N/A N/A 5.8 μg/m3 (24) 25.0
 
July 6, 2020, 4 a.m. 3.0 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) N/A N/A 7.2 μg/m3 (30) 30.0
 
July 6, 2020, 3 a.m. 4.2 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) N/A N/A 5.5 μg/m3 (23) 27.0
 
July 6, 2020, 2 a.m. 2.3 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A N/A 3.8 μg/m3 (16) 32.0
 
July 6, 2020, 1 a.m. 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A 4.7 μg/m3 (20) 32.0
 
July 6, 2020, midnight 1.4 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A 3.8 μg/m3 (16) 32.0
 
July 5, 2020, 11 p.m. 1.2 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A 4.4 μg/m3 (18) 31.0
 
July 5, 2020, 10 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A 5.5 μg/m3 (23) 31.0
 
July 5, 2020, 9 p.m. 0.9 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A 4.8 μg/m3 (20) 31.0
 
July 5, 2020, 8 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A 5.1 μg/m3 (21) 31.0
 
July 5, 2020, 7 p.m. 0.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A 4.7 μg/m3 (20) 32.0
 
July 5, 2020, 6 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (29) N/A N/A 8.2 μg/m3 (34) 34.0
 
July 5, 2020, 5 p.m. 1.1 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) N/A N/A 6.9 μg/m3 (29) 29.0
 
July 5, 2020, 4 p.m. 1.2 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 6.9 μg/m3 (29) 29.0
 
July 5, 2020, 3 p.m. 0.8 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A N/A 6.4 μg/m3 (27) 27.0
 
July 5, 2020, 2 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 28.0 ppb (22) N/A N/A 7.2 μg/m3 (30) 30.0
 
July 5, 2020, 1 p.m. 0.9 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 5, 2020, noon 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) N/A N/A 7.5 μg/m3 (31) 31.0
 
July 5, 2020, 11 a.m. 0.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 5, 2020, 10 a.m. 0.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) N/A N/A 8.3 μg/m3 (35) 35.0
 
July 5, 2020, 9 a.m. 0.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) N/A N/A 9.8 μg/m3 (41) 41.0
 
July 5, 2020, 8 a.m. 0.7 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) N/A N/A 9.9 μg/m3 (41) 41.0
 
July 5, 2020, 7 a.m. 1.4 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (19) N/A N/A 9.6 μg/m3 (40) 40.0
 
July 5, 2020, 6 a.m. 1.6 ppb (1) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) N/A N/A 9.9 μg/m3 (41) 41.0
 
July 5, 2020, 5 a.m. 5.5 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) N/A N/A 27.2 μg/m3 (82) 82.0
 
July 5, 2020, 4 a.m. 6.2 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (18) N/A N/A 25.6 μg/m3 (79) 79.0
 
July 5, 2020, 3 a.m. 5.9 ppb (5) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (22) N/A N/A 11.9 μg/m3 (50) 50.0
 
July 5, 2020, 2 a.m. 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) N/A N/A 4.7 μg/m3 (20) 28.0
 
July 5, 2020, 1 a.m. 0.7 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A N/A 3.0 μg/m3 (12) 26.0
 
July 5, 2020, midnight 0.8 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 3.8 μg/m3 (16) 25.0
 
July 4, 2020, 11 p.m. 0.9 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 2.9 μg/m3 (12) 25.0
 
July 4, 2020, 10 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 3.3 μg/m3 (14) 25.0
 
July 4, 2020, 9 p.m. 0.9 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 3.5 μg/m3 (15) 25.0
 
July 4, 2020, 8 p.m. 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
July 4, 2020, 7 p.m. 1.2 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A 5.8 μg/m3 (24) 24.0
 
July 4, 2020, 6 p.m. 1.1 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A N/A 5.9 μg/m3 (25) 25.0
 
July 4, 2020, 5 p.m. 1.4 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A N/A 6.1 μg/m3 (25) 26.0
 
July 4, 2020, 4 p.m. 1.9 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) N/A N/A 6.9 μg/m3 (29) 29.0
 
July 4, 2020, 3 p.m. 1.4 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 28.0 ppb (22) N/A N/A 6.9 μg/m3 (29) 29.0
 
July 4, 2020, 2 p.m. 1.5 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (19) N/A N/A 6.8 μg/m3 (28) 28.0
 
July 4, 2020, 1 p.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 22.0 ppb (17) N/A N/A 7.3 μg/m3 (30) 30.0
 
July 4, 2020, noon 1.5 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 22.0 ppb (17) N/A N/A 6.1 μg/m3 (25) 25.0
 
July 4, 2020, 11 a.m. 2.2 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) N/A N/A 5.5 μg/m3 (23) 23.0
 
July 4, 2020, 10 a.m. 2.2 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) N/A N/A 5.4 μg/m3 (23) 23.0
 
July 4, 2020, 9 a.m. 1.8 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (18) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 4, 2020, 8 a.m. 1.7 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) N/A N/A 5.3 μg/m3 (22) 22.0
 
July 4, 2020, 7 a.m. 2.8 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) N/A N/A 5.4 μg/m3 (23) 23.0
 
July 4, 2020, 6 a.m. 1.6 ppb (1) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A N/A 7.8 μg/m3 (32) 32.0
 
July 4, 2020, 5 a.m. 1.7 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) N/A N/A 10.5 μg/m3 (44) 44.0
 
July 4, 2020, 4 a.m. 3.1 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 4, 2020, 3 a.m. 6.6 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (21) N/A N/A 6.5 μg/m3 (27) 27.0
 
July 4, 2020, 2 a.m. 2.1 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) N/A N/A 5.4 μg/m3 (23) 25.0
 
July 4, 2020, 1 a.m. 1.4 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A N/A 5.5 μg/m3 (23) 26.0
 
July 4, 2020, midnight 1.7 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) N/A N/A 6.7 μg/m3 (28) 28.0
 
July 3, 2020, 11 p.m. 1.8 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) N/A N/A 6.5 μg/m3 (27) 28.0
 
July 3, 2020, 10 p.m. 1.2 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A N/A 6.7 μg/m3 (28) 28.0
 
July 3, 2020, 9 p.m. 1.5 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 6.8 μg/m3 (28) 28.0
 
July 3, 2020, 8 p.m. 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 11.4 μg/m3 (48) 48.0
 
July 3, 2020, 7 p.m. 1.6 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A N/A 9.6 μg/m3 (40) 40.0
 
July 3, 2020, 6 p.m. 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 9.1 μg/m3 (38) 38.0
 
July 3, 2020, 5 p.m. 2.1 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) N/A N/A 9.3 μg/m3 (39) 39.0
 
July 3, 2020, 4 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 N/A 7.9 μg/m3 (33) 33.0
 
July 3, 2020, 3 p.m. 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A N/A 8.6 μg/m3 (36) 36.0
 
July 3, 2020, 2 p.m. 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) N/A N/A 8.4 μg/m3 (35) 35.0
 
July 3, 2020, 1 p.m. 1.6 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) N/A N/A 9.3 μg/m3 (39) 39.0
 
July 3, 2020, noon 1.7 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A N/A 8.4 μg/m3 (35) 35.0
 
July 3, 2020, 11 a.m. 1.2 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) N/A N/A 8.2 μg/m3 (34) 34.0
 
July 3, 2020, 10 a.m. 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 28.0 ppb (22) N/A N/A 8.4 μg/m3 (35) 35.0
 
July 3, 2020, 9 a.m. 1.8 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) N/A N/A 4.9 μg/m3 (20) 21.0
 
July 3, 2020, 8 a.m. 2.1 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) N/A N/A 6.1 μg/m3 (25) 25.0
 
July 3, 2020, 7 a.m. 1.7 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) N/A N/A 6.9 μg/m3 (29) 29.0
 
July 3, 2020, 6 a.m. 3.9 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) N/A N/A 8.2 μg/m3 (34) 34.0
 
July 3, 2020, 5 a.m. 3.7 ppb (3) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) N/A N/A 8.5 μg/m3 (35) 35.0
 
July 3, 2020, 4 a.m. 4.5 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) N/A N/A 5.4 μg/m3 (23) 24.0
 
July 3, 2020, 3 a.m. 3.7 ppb (3) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) N/A N/A 3.9 μg/m3 (16) 28.0
 
July 3, 2020, 2 a.m. 2.2 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A N/A 5.0 μg/m3 (21) 32.0
 
July 3, 2020, 1 a.m. 1.8 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A N/A 6.2 μg/m3 (26) 33.0
 
July 3, 2020, midnight 1.9 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 2, 2020, 11 p.m. 2.2 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A N/A 8.1 μg/m3 (34) 38.0
 
July 2, 2020, 10 p.m. 1.9 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (42) N/A N/A 9.4 μg/m3 (39) 42.0
 
July 2, 2020, 9 p.m. 2.2 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 57.0 ppb (44) N/A N/A 8.6 μg/m3 (36) 44.0
 
July 2, 2020, 8 p.m. 2.2 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 60.0 ppb (46) N/A N/A 8.5 μg/m3 (35) 46.0
 
July 2, 2020, 7 p.m. 1.5 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 62.0 ppb (48) N/A N/A 8.4 μg/m3 (35) 48.0
 
July 2, 2020, 6 p.m. 1.4 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 57.0 ppb (44) N/A N/A 7.0 μg/m3 (29) 44.0
 
July 2, 2020, 5 p.m. 2.4 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 56.0 ppb (43) N/A N/A 7.1 μg/m3 (30) 43.0
 
July 2, 2020, 4 p.m. 2.5 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (42) N/A N/A 7.5 μg/m3 (31) 42.0
 
July 2, 2020, 3 p.m. 2.2 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A N/A 7.1 μg/m3 (30) 38.0
 
July 2, 2020, 2 p.m. 6.6 ppb (6) 1.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (31) N/A N/A 8.7 μg/m3 (36) 36.0
 
July 2, 2020, 1 p.m. 7.5 ppb (7) 1.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 37.0 ppb (28) N/A N/A 11.8 μg/m3 (49) 49.0
 
July 2, 2020, noon 4.5 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) N/A N/A 18.8 μg/m3 (64) 64.0
 
July 2, 2020, 11 a.m. N/A 0.2 ppb (0) N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 7.1 μg/m3 (30) 30.0
 
July 2, 2020, 10 a.m. 1.7 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) N/A N/A 6.5 μg/m3 (27) 32.0
 
July 2, 2020, 9 a.m. 1.9 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A N/A 7.2 μg/m3 (30) 33.0
 
July 2, 2020, 8 a.m. 1.5 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 5.4 μg/m3 (23) 33.0
 
July 2, 2020, 7 a.m. 1.3 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A N/A 6.4 μg/m3 (27) 34.0
 
July 2, 2020, 6 a.m. 2.0 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A N/A 10.5 μg/m3 (44) 44.0
 
July 2, 2020, 5 a.m. 4.4 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) N/A N/A 10.5 μg/m3 (44) 44.0
 
July 2, 2020, 4 a.m. 4.1 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (34) N/A N/A 8.2 μg/m3 (34) 34.0