ID: 99

AQSQID: 040134005

Site Name: Tempe

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

Updated: July 10, 2020, 6:35 a.m.

Location: Tempe (University Park), AZ

Reporting: True, Located: True

Current AQI: 23.0

Tempe (University Park) AZ, US: 33.4124, -111.9347

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 10, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 18.0 μg/m3 (16) 5.4 μg/m3 (23) 23.0
 
July 10, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 17.0 μg/m3 (15) 4.9 μg/m3 (20) 22.0
 
July 10, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 13.0 μg/m3 (12) 4.6 μg/m3 (19) 23.0
 
July 10, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 13.0 μg/m3 (12) 4.1 μg/m3 (17) 26.0
 
July 10, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 33.0 μg/m3 (30) 6.7 μg/m3 (28) 30.0
 
July 10, 2020, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 19.0 μg/m3 (17) 3.4 μg/m3 (14) 31.0
 
July 9, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 15.0 μg/m3 (14) 3.4 μg/m3 (14) 33.0
 
July 9, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 16.0 μg/m3 (15) 4.6 μg/m3 (19) 35.0
 
July 9, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 18.0 μg/m3 (16) 3.6 μg/m3 (15) 38.0
 
July 9, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (55) N/A 18.0 μg/m3 (16) 4.0 μg/m3 (17) 55.0
 
July 9, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (52) N/A 21.0 μg/m3 (19) 5.7 μg/m3 (24) 52.0
 
July 9, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 19.0 μg/m3 (17) 3.3 μg/m3 (14) 42.0
 
July 9, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 23.0 μg/m3 (21) 4.5 μg/m3 (19) 36.0
 
July 9, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 26.0 μg/m3 (24) 6.0 μg/m3 (25) 29.0
 
July 9, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 30.0 μg/m3 (27) 6.1 μg/m3 (25) 27.0
 
July 9, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 32.0 μg/m3 (29) 6.5 μg/m3 (27) 29.0
 
July 9, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 26.0 μg/m3 (24) 5.8 μg/m3 (24) 24.0
 
July 9, 2020, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 19.0 μg/m3 (17) 5.7 μg/m3 (24) 24.0
 
July 9, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 22.0 μg/m3 (20) 7.3 μg/m3 (30) 30.0
 
July 9, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 17.0 μg/m3 (15) 4.8 μg/m3 (20) 20.0
 
July 9, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 17.0 μg/m3 (15) 8.6 μg/m3 (36) 36.0
 
July 9, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 16.0 μg/m3 (15) 6.1 μg/m3 (25) 25.0
 
July 9, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 11.0 μg/m3 (10) 3.7 μg/m3 (15) 15.0
 
July 9, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 12.0 μg/m3 (11) 4.2 μg/m3 (18) 18.0
 
July 9, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 20.0 μg/m3 (18) 5.6 μg/m3 (23) 23.0
 
July 9, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 15.0 μg/m3 (14) 5.7 μg/m3 (24) 24.0
 
July 9, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 12.0 μg/m3 (11) 4.5 μg/m3 (19) 22.0
 
July 9, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 12.0 μg/m3 (11) 4.9 μg/m3 (20) 26.0
 
July 9, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 14.0 μg/m3 (13) 5.4 μg/m3 (23) 28.0
 
July 9, 2020, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 30.0
 
July 8, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 17.0 μg/m3 (15) 5.8 μg/m3 (24) 32.0
 
July 8, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 20.0 μg/m3 (18) 6.1 μg/m3 (25) 38.0
 
July 8, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 70.0 ppb (54) N/A 19.0 μg/m3 (17) 4.7 μg/m3 (20) 54.0
 
July 8, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A 16.0 μg/m3 (15) 4.4 μg/m3 (18) 49.0
 
July 8, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 15.0 μg/m3 (14) 5.2 μg/m3 (22) 37.0
 
July 8, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 14.0 μg/m3 (13) 4.4 μg/m3 (18) 32.0
 
July 8, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 24.0 μg/m3 (22) 6.6 μg/m3 (28) 30.0
 
July 8, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 33.0 μg/m3 (30) 5.2 μg/m3 (22) 30.0
 
July 8, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 28.0 μg/m3 (25) 5.8 μg/m3 (24) 25.0
 
July 8, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 29.0 μg/m3 (26) 6.8 μg/m3 (28) 28.0
 
July 8, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 24.0 μg/m3 (22) 6.4 μg/m3 (27) 27.0
 
July 8, 2020, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 21.0 μg/m3 (19) 6.6 μg/m3 (28) 28.0
 
July 8, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 13.0 μg/m3 (12) 3.6 μg/m3 (15) 15.0
 
July 8, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 12.0 μg/m3 (11) 4.2 μg/m3 (18) 18.0
 
July 8, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 11.0 μg/m3 (10) 4.2 μg/m3 (18) 18.0
 
July 8, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 11.0 μg/m3 (10) 4.3 μg/m3 (18) 19.0
 
July 8, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 10.0 μg/m3 (9) 3.3 μg/m3 (14) 20.0
 
July 8, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 14.0 μg/m3 (13) 4.6 μg/m3 (19) 19.0
 
July 8, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 16.0 μg/m3 (15) 3.2 μg/m3 (13) 20.0
 
July 8, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 12.0 μg/m3 (11) 3.5 μg/m3 (15) 15.0
 
July 8, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 10.0 μg/m3 (9) 2.5 μg/m3 (10) 18.0
 
July 8, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 11.0 μg/m3 (10) 3.3 μg/m3 (14) 27.0
 
July 8, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 12.0 μg/m3 (11) 4.4 μg/m3 (18) 32.0
 
July 8, 2020, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 11.0 μg/m3 (10) 2.9 μg/m3 (12) 35.0
 
July 7, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 14.0 μg/m3 (13) 4.4 μg/m3 (18) 34.0
 
July 7, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 12.0 μg/m3 (11) 3.1 μg/m3 (13) 43.0
 
July 7, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A 13.0 μg/m3 (12) 4.0 μg/m3 (17) 47.0
 
July 7, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A 17.0 μg/m3 (15) 6.8 μg/m3 (28) 48.0
 
July 7, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A 18.0 μg/m3 (16) 6.5 μg/m3 (27) 44.0
 
July 7, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 22.0 μg/m3 (20) 6.5 μg/m3 (27) 36.0
 
July 7, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 30.0 μg/m3 (27) 7.2 μg/m3 (30) 31.0
 
July 7, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 33.0 μg/m3 (30) 6.1 μg/m3 (25) 30.0
 
July 7, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 36.0 μg/m3 (33) 7.9 μg/m3 (33) 33.0
 
July 7, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 26.0 μg/m3 (24) 3.3 μg/m3 (14) 24.0
 
July 7, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 39.0 μg/m3 (35) 7.1 μg/m3 (30) 35.0
 
July 7, 2020, noon N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 29.0 μg/m3 (26) 7.7 μg/m3 (32) 32.0
 
July 7, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 24.0 μg/m3 (22) 6.2 μg/m3 (26) 26.0
 
July 7, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 22.0 μg/m3 (20) 6.7 μg/m3 (28) 28.0
 
July 7, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 17.0 μg/m3 (15) 6.6 μg/m3 (28) 28.0
 
July 7, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 20.0 μg/m3 (18) 5.6 μg/m3 (23) 23.0
 
July 7, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 29.0 μg/m3 (26) 5.8 μg/m3 (24) 26.0
 
July 7, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 35.0 μg/m3 (32) 4.5 μg/m3 (19) 32.0
 
July 7, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 18.0 μg/m3 (16) 5.7 μg/m3 (24) 24.0
 
July 7, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 13.0 μg/m3 (12) 6.2 μg/m3 (26) 26.0
 
July 7, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 10.0 μg/m3 (9) 5.5 μg/m3 (23) 23.0
 
July 7, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 10.0 μg/m3 (9) 4.4 μg/m3 (18) 25.0
 
July 7, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 13.0 μg/m3 (12) 5.2 μg/m3 (22) 28.0
 
July 7, 2020, midnight N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 14.0 μg/m3 (13) 3.8 μg/m3 (16) 32.0
 
July 6, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 15.0 μg/m3 (14) 3.1 μg/m3 (13) 34.0
 
July 6, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 14.0 μg/m3 (13) 1.8 μg/m3 (8) 37.0
 
July 6, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 11.0 μg/m3 (10) 2.2 μg/m3 (9) 41.0
 
July 6, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 11.0 μg/m3 (10) 2.3 μg/m3 (10) 42.0
 
July 6, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 42.0
 
July 6, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 26.0 μg/m3 (24) 5.6 μg/m3 (23) 41.0
 
July 6, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A N/A 38.0
 
July 6, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
July 6, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A N/A 21.0
 
July 6, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (44) 12.1 μg/m3 (50) 50.0
 
July 6, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 31.0 μg/m3 (28) 7.3 μg/m3 (30) 30.0
 
July 6, 2020, noon N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 28.0 μg/m3 (25) 6.8 μg/m3 (28) 28.0
 
July 6, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 23.0 μg/m3 (21) 6.9 μg/m3 (29) 29.0
 
July 6, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 88.0 μg/m3 (66) 11.3 μg/m3 (47) 66.0
 
July 6, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 180.0 μg/m3 (112) 18.2 μg/m3 (63) 112.0
 
July 6, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 34.0 μg/m3 (31) 6.8 μg/m3 (28) 31.0
 
July 6, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 24.0 μg/m3 (22) 5.9 μg/m3 (25) 25.0
 
July 6, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 10.0 μg/m3 (9) 3.3 μg/m3 (14) 24.0
 
July 6, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 12.0 μg/m3 (11) 3.7 μg/m3 (15) 26.0
 
July 6, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 18.0 μg/m3 (16) 6.4 μg/m3 (27) 27.0
 
July 6, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 17.0 μg/m3 (15) 4.7 μg/m3 (20) 25.0
 
July 6, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 10.0 μg/m3 (9) 2.3 μg/m3 (10) 32.0
 
July 6, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 10.0 μg/m3 (9) 2.4 μg/m3 (10) 35.0
 
July 6, 2020, midnight N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 37.0
 
July 5, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 16.0 μg/m3 (15) 3.4 μg/m3 (14) 37.0
 
July 5, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 12.0 μg/m3 (11) 2.9 μg/m3 (12) 34.0
 
July 5, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 32.0
 
July 5, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 11.0 μg/m3 (10) 3.2 μg/m3 (13) 35.0
 
July 5, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A 15.0 μg/m3 (14) 7.4 μg/m3 (31) 45.0
 
July 5, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 14.0 μg/m3 (13) 5.2 μg/m3 (22) 42.0
 
July 5, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 18.0 μg/m3 (16) 7.8 μg/m3 (32) 37.0
 
July 5, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 20.0 μg/m3 (18) 7.9 μg/m3 (33) 33.0
 
July 5, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 28.0 μg/m3 (25) 11.9 μg/m3 (50) 50.0
 
July 5, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 43.0 μg/m3 (39) 26.1 μg/m3 (80) 80.0
 
July 5, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 37.0 μg/m3 (34) 22.1 μg/m3 (71) 71.0
 
July 5, 2020, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 21.0 μg/m3 (19) 9.9 μg/m3 (41) 41.0
 
July 5, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 19.0 μg/m3 (17) 9.5 μg/m3 (40) 40.0
 
July 5, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 17.0 μg/m3 (15) 7.7 μg/m3 (32) 32.0
 
July 5, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 21.0 μg/m3 (19) 12.2 μg/m3 (50) 50.0
 
July 5, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 37.0 μg/m3 (34) 24.7 μg/m3 (77) 77.0
 
July 5, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 99.0 μg/m3 (72) 83.7 μg/m3 (165) 165.0
 
July 5, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 110.0 μg/m3 (78) 94.0 μg/m3 (170) 170.0
 
July 5, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 95.0 μg/m3 (70) 76.6 μg/m3 (161) 161.0
 
July 5, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 40.0 μg/m3 (36) 27.4 μg/m3 (83) 83.0
 
July 5, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 11.0 μg/m3 (10) 4.8 μg/m3 (20) 20.0
 
July 5, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 8.0 μg/m3 (7) 2.9 μg/m3 (12) 19.0
 
July 5, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 9.0 μg/m3 (8) 2.9 μg/m3 (12) 23.0
 
July 5, 2020, midnight N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 9.0 μg/m3 (8) 2.9 μg/m3 (12) 26.0
 
July 4, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 8.0 μg/m3 (7) 1.2 μg/m3 (5) 28.0
 
July 4, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 12.0 μg/m3 (11) 4.6 μg/m3 (19) 27.0
 
July 4, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 27.0
 
July 4, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 14.0 μg/m3 (13) 7.2 μg/m3 (30) 30.0
 
July 4, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 13.0 μg/m3 (12) 4.8 μg/m3 (20) 31.0
 
July 4, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 14.0 μg/m3 (13) 3.2 μg/m3 (13) 30.0
 
July 4, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 19.0 μg/m3 (17) 6.3 μg/m3 (26) 28.0
 
July 4, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 20.0 μg/m3 (18) 6.1 μg/m3 (25) 25.0
 
July 4, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 17.0 μg/m3 (15) 4.7 μg/m3 (20) 20.0
 
July 4, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 18.0 μg/m3 (16) 5.9 μg/m3 (25) 25.0
 
July 4, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 18.0 μg/m3 (16) 6.5 μg/m3 (27) 27.0
 
July 4, 2020, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 18.0 μg/m3 (16) 7.6 μg/m3 (32) 32.0
 
July 4, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 14.0 μg/m3 (13) 2.7 μg/m3 (11) 13.0
 
July 4, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 24.0 μg/m3 (22) 14.5 μg/m3 (55) 55.0
 
July 4, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 28.0 μg/m3 (25) 15.5 μg/m3 (57) 57.0
 
July 4, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 21.0 μg/m3 (19) 9.6 μg/m3 (40) 40.0
 
July 4, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 21.0 μg/m3 (19) 9.6 μg/m3 (40) 40.0
 
July 4, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 16.0 μg/m3 (15) 7.2 μg/m3 (30) 30.0
 
July 4, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 13.0 μg/m3 (12) 7.4 μg/m3 (31) 31.0
 
July 4, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 11.0 μg/m3 (10) 5.1 μg/m3 (21) 21.0
 
July 4, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 12.0 μg/m3 (11) 6.5 μg/m3 (27) 27.0
 
July 4, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 13.0 μg/m3 (12) 4.7 μg/m3 (20) 23.0
 
July 4, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 14.0 μg/m3 (13) 6.1 μg/m3 (25) 25.0
 
July 4, 2020, midnight N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 17.0 μg/m3 (15) 7.3 μg/m3 (30) 30.0
 
July 3, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 15.0 μg/m3 (14) 6.5 μg/m3 (27) 32.0
 
July 3, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 20.0 μg/m3 (18) 9.4 μg/m3 (39) 39.0
 
July 3, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 16.0 μg/m3 (15) 5.7 μg/m3 (24) 35.0
 
July 3, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 15.0 μg/m3 (14) 6.1 μg/m3 (25) 36.0
 
July 3, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 18.0 μg/m3 (16) 9.6 μg/m3 (40) 40.0
 
July 3, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 16.0 μg/m3 (15) 8.0 μg/m3 (33) 36.0
 
July 3, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 18.0 μg/m3 (16) 10.6 μg/m3 (44) 44.0
 
July 3, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 18.0 μg/m3 (16) 9.4 μg/m3 (39) 39.0
 
July 3, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
July 3, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 18.0 μg/m3 (16) 6.1 μg/m3 (25) 25.0
 
July 3, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
July 3, 2020, noon N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 13.0 μg/m3 (12) 4.9 μg/m3 (20) 20.0
 
July 3, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 12.0 μg/m3 (11) 4.4 μg/m3 (18) 18.0
 
July 3, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 14.0 μg/m3 (13) 6.3 μg/m3 (26) 26.0
 
July 3, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 18.0 μg/m3 (16) 7.2 μg/m3 (30) 30.0
 
July 3, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 18.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
July 3, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 22.0 μg/m3 (20) 6.9 μg/m3 (29) 29.0
 
July 3, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 27.0 μg/m3 (25) 8.0 μg/m3 (33) 33.0