ID: 99

AQSQID: 040134005

Site Name: Tempe

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

Updated: Aug. 1, 2021, 4:55 a.m.

Location: Tempe (University Park), AZ

Reporting: True, Located: True

Current AQI: 46.0

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 25, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 4.0 μg/m3 (4) 3.7 μg/m3 (16) 26.0
 
July 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 5.0 μg/m3 (5) 4.2 μg/m3 (18) 29.0
 
July 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 4.0 μg/m3 (4) 3.3 μg/m3 (14) 33.0
 
July 25, 2021, midnight N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 7.0 μg/m3 (7) 5.6 μg/m3 (24) 35.0
 
July 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 7.0 μg/m3 (7) 5.7 μg/m3 (24) 36.0
 
July 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 7.0 μg/m3 (7) 5.0 μg/m3 (21) 33.0
 
July 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 30.0
 
July 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 3.0 μg/m3 (3) 3.2 μg/m3 (14) 33.0
 
July 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 5.0 μg/m3 (5) 5.1 μg/m3 (22) 37.0
 
July 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 5.0 μg/m3 (5) 4.2 μg/m3 (18) 38.0
 
July 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 8.0 μg/m3 (8) 8.3 μg/m3 (35) 37.0
 
July 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 5.0 μg/m3 (5) 3.5 μg/m3 (15) 36.0
 
July 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 6.0 μg/m3 (6) 4.6 μg/m3 (20) 36.0
 
July 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 10.0 μg/m3 (10) 9.6 μg/m3 (40) 40.0
 
July 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 7.0 μg/m3 (7) 5.9 μg/m3 (25) 37.0
 
July 24, 2021, noon N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 29.0
 
July 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 6.0 μg/m3 (6) 5.3 μg/m3 (23) 36.0
 
July 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 7.0 μg/m3 (7) 4.9 μg/m3 (21) 27.0
 
July 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 12.0 μg/m3 (12) 9.8 μg/m3 (41) 41.0
 
July 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 17.0 μg/m3 (16) 14.3 μg/m3 (56) 56.0
 
July 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 14.0 μg/m3 (13) 10.6 μg/m3 (45) 45.0
 
July 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 13.0 μg/m3 (13) 9.5 μg/m3 (40) 40.0
 
July 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 16.0 μg/m3 (15) 12.7 μg/m3 (53) 53.0
 
July 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 13.0 μg/m3 (13) 8.9 μg/m3 (38) 38.0
 
July 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 12.0 μg/m3 (12) 7.6 μg/m3 (32) 32.0
 
July 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 12.0 μg/m3 (12) 9.2 μg/m3 (39) 39.0
 
July 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 10.0 μg/m3 (10) 9.8 μg/m3 (41) 41.0
 
July 24, 2021, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 5.0 μg/m3 (5) 5.2 μg/m3 (22) 36.0
 
July 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 4.0 μg/m3 (4) 3.5 μg/m3 (15) 39.0
 
July 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 9.0 μg/m3 (9) 8.1 μg/m3 (34) 42.0
 
July 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 7.0 μg/m3 (7) 5.2 μg/m3 (22) 37.0
 
July 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 7.0 μg/m3 (7) 7.3 μg/m3 (31) 38.0
 
July 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 5.0 μg/m3 (5) 3.9 μg/m3 (17) 36.0
 
July 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 10.0 μg/m3 (10) 8.9 μg/m3 (38) 38.0
 
July 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 14.0 μg/m3 (13) 13.5 μg/m3 (54) 54.0
 
July 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 12.0 μg/m3 (12) 10.5 μg/m3 (44) 44.0
 
July 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 7.0 μg/m3 (7) 6.2 μg/m3 (26) 45.0
 
July 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 11.0 μg/m3 (11) 9.0 μg/m3 (38) 44.0
 
July 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 15.0 μg/m3 (14) 13.0 μg/m3 (53) 53.0
 
July 23, 2021, noon N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 10.0 μg/m3 (10) 9.1 μg/m3 (38) 48.0
 
July 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 14.0 μg/m3 (13) 12.6 μg/m3 (53) 53.0
 
July 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 14.0 μg/m3 (13) 8.5 μg/m3 (36) 48.0
 
July 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 16.0 μg/m3 (15) 10.6 μg/m3 (45) 45.0
 
July 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 16.0 μg/m3 (15) 7.4 μg/m3 (31) 43.0
 
July 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 15.0 μg/m3 (14) 9.3 μg/m3 (39) 45.0
 
July 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 15.0 μg/m3 (14) 9.5 μg/m3 (40) 42.0
 
July 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 24.0 μg/m3 (23) 9.1 μg/m3 (38) 38.0
 
July 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 449.0 μg/m3 (332) 48.3 μg/m3 (133) 332.0
 
July 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 208.0 μg/m3 (128) 21.4 μg/m3 (71) 128.0
 
July 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 22.0 μg/m3 (21) 8.6 μg/m3 (36) 50.0
 
July 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 25.0 μg/m3 (24) 10.2 μg/m3 (43) 74.0
 
July 23, 2021, midnight N/A N/A N/A N/A N/A N/A 69.0 ppb (97) N/A 23.0 μg/m3 (22) 3.1 μg/m3 (13) 97.0
 
July 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 73.0 ppb (103) N/A 30.0 μg/m3 (28) 6.4 μg/m3 (27) 103.0
 
July 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 78.0 ppb (105) N/A 29.0 μg/m3 (27) 10.1 μg/m3 (43) 105.0
 
July 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 83.0 ppb (108) N/A 25.0 μg/m3 (24) 9.1 μg/m3 (38) 108.0
 
July 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 82.0 ppb (107) N/A 26.0 μg/m3 (25) 8.2 μg/m3 (35) 107.0
 
July 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 77.0 ppb (105) N/A 28.0 μg/m3 (26) 8.2 μg/m3 (35) 105.0
 
July 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (97) N/A 32.0 μg/m3 (30) 8.2 μg/m3 (35) 97.0
 
July 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 23.0 μg/m3 (22) 6.4 μg/m3 (27) 74.0
 
July 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 18.0 μg/m3 (17) 6.6 μg/m3 (28) 50.0
 
July 22, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 18.0 μg/m3 (17) 5.9 μg/m3 (25) 45.0
 
July 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 18.0 μg/m3 (17) 6.1 μg/m3 (26) 39.0
 
July 22, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 13.0 μg/m3 (13) 4.5 μg/m3 (19) 39.0
 
July 22, 2021, noon N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 9.0 μg/m3 (9) 5.0 μg/m3 (21) 43.0
 
July 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 8.0 μg/m3 (8) 5.7 μg/m3 (24) 50.0
 
July 22, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A 8.0 μg/m3 (8) 5.5 μg/m3 (23) 58.0
 
July 22, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 10.0 μg/m3 (10) 7.5 μg/m3 (32) 65.0
 
July 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A 27.0 μg/m3 (25) 10.9 μg/m3 (46) 68.0
 
July 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 165.0 μg/m3 (106) 21.3 μg/m3 (71) 106.0
 
July 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 241.0 μg/m3 (144) 28.1 μg/m3 (85) 144.0
 
July 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 12.0 μg/m3 (12) 6.0 μg/m3 (25) 46.0
 
July 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 18.0 μg/m3 (17) 7.7 μg/m3 (33) 49.0
 
July 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A 20.0 μg/m3 (19) 5.9 μg/m3 (25) 58.0
 
July 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 30.0 μg/m3 (28) 6.6 μg/m3 (28) 61.0
 
July 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A 66.0 μg/m3 (57) 7.5 μg/m3 (32) 78.0
 
July 22, 2021, midnight N/A N/A N/A N/A N/A N/A 66.0 ppb (87) N/A 47.0 μg/m3 (44) 8.5 μg/m3 (36) 87.0
 
July 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (101) N/A 19.0 μg/m3 (18) 8.1 μg/m3 (34) 101.0
 
July 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (97) N/A 21.0 μg/m3 (20) 8.0 μg/m3 (34) 97.0
 
July 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (101) N/A 19.0 μg/m3 (18) 5.6 μg/m3 (24) 101.0
 
July 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 72.0 ppb (102) N/A 21.0 μg/m3 (20) 4.3 μg/m3 (18) 102.0
 
July 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (94) N/A 17.0 μg/m3 (16) 7.2 μg/m3 (31) 94.0
 
July 21, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A 23.0 μg/m3 (22) 10.2 μg/m3 (43) 81.0
 
July 21, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 28.0 μg/m3 (26) 8.9 μg/m3 (38) 74.0
 
July 21, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 23.0 μg/m3 (22) 5.8 μg/m3 (25) 44.0
 
July 21, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 29.0 μg/m3 (27) 6.7 μg/m3 (28) 38.0
 
July 21, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 28.0 μg/m3 (26) 9.6 μg/m3 (40) 40.0
 
July 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 38.0 μg/m3 (36) 7.8 μg/m3 (33) 36.0
 
July 21, 2021, noon N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 18.0 μg/m3 (17) 5.9 μg/m3 (25) 25.0
 
July 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 13.0 μg/m3 (13) 4.3 μg/m3 (18) 18.0
 
July 21, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 17.0 μg/m3 (16) 7.0 μg/m3 (30) 30.0
 
July 21, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 14.0 μg/m3 (13) 3.6 μg/m3 (16) 24.0
 
July 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 17.0 μg/m3 (16) 4.8 μg/m3 (20) 30.0
 
July 21, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 31.0
 
July 21, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 33.0
 
July 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 13.0 μg/m3 (13) 4.2 μg/m3 (18) 37.0
 
July 21, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 17.0 μg/m3 (16) 5.8 μg/m3 (25) 38.0
 
July 21, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 29.0 μg/m3 (27) 7.3 μg/m3 (31) 43.0
 
July 21, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 24.0 μg/m3 (23) 4.0 μg/m3 (17) 47.0
 
July 21, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (97) N/A 13.0 μg/m3 (13) 4.1 μg/m3 (18) 97.0
 
July 21, 2021, midnight N/A N/A N/A N/A N/A N/A 72.0 ppb (102) N/A 11.0 μg/m3 (11) 4.4 μg/m3 (19) 102.0
 
July 20, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 73.0 ppb (103) N/A 13.0 μg/m3 (13) 5.5 μg/m3 (23) 103.0
 
July 20, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 73.0 ppb (103) N/A 10.0 μg/m3 (10) 3.6 μg/m3 (16) 103.0
 
July 20, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 72.0 ppb (102) N/A 13.0 μg/m3 (13) 3.5 μg/m3 (15) 102.0
 
July 20, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 70.0 ppb (100) N/A 13.0 μg/m3 (13) 5.2 μg/m3 (22) 100.0
 
July 20, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (87) N/A 19.0 μg/m3 (18) 6.8 μg/m3 (29) 87.0
 
July 20, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 17.0 μg/m3 (16) 4.4 μg/m3 (19) 74.0
 
July 20, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 16.0 μg/m3 (15) 2.7 μg/m3 (12) 48.0
 
July 20, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 30.0 μg/m3 (28) 6.3 μg/m3 (27) 37.0
 
July 20, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 22.0 μg/m3 (21) 6.2 μg/m3 (26) 26.0
 
July 20, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 20.0 μg/m3 (19) 6.4 μg/m3 (27) 27.0
 
July 20, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 20.0 μg/m3 (19) 6.7 μg/m3 (28) 28.0
 
July 20, 2021, noon N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 18.0 μg/m3 (17) 8.0 μg/m3 (34) 34.0
 
July 20, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 12.0 μg/m3 (12) 5.2 μg/m3 (22) 22.0
 
July 20, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 8.0 μg/m3 (8) 1.6 μg/m3 (7) 25.0
 
July 20, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 9.0 μg/m3 (9) 3.4 μg/m3 (15) 29.0
 
July 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 13.0 μg/m3 (13) 6.7 μg/m3 (28) 29.0
 
July 20, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 15.0 μg/m3 (14) 7.9 μg/m3 (33) 33.0
 
July 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 16.0 μg/m3 (15) 8.1 μg/m3 (34) 34.0
 
July 20, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 14.0 μg/m3 (13) 5.8 μg/m3 (25) 29.0
 
July 20, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 15.0 μg/m3 (14) 7.6 μg/m3 (32) 38.0
 
July 20, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 11.0 μg/m3 (11) 3.0 μg/m3 (13) 43.0
 
July 20, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 9.0 μg/m3 (9) 2.6 μg/m3 (11) 50.0
 
July 20, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 12.0 μg/m3 (12) 2.1 μg/m3 (9) 74.0
 
July 20, 2021, midnight N/A N/A N/A N/A N/A N/A 69.0 ppb (97) N/A 11.0 μg/m3 (11) 3.0 μg/m3 (13) 97.0
 
July 19, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 76.0 ppb (104) N/A 12.0 μg/m3 (12) 3.2 μg/m3 (14) 104.0
 
July 19, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 76.0 ppb (104) N/A 6.0 μg/m3 (6) 0.8 μg/m3 (4) 104.0
 
July 19, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 74.0 ppb (103) N/A 6.0 μg/m3 (6) 1.2 μg/m3 (5) 103.0
 
July 19, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 75.0 ppb (104) N/A 7.0 μg/m3 (7) 2.3 μg/m3 (10) 104.0
 
July 19, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 70.0 ppb (100) N/A 7.0 μg/m3 (7) 3.9 μg/m3 (17) 100.0
 
July 19, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) N/A 6.0 μg/m3 (6) 2.7 μg/m3 (12) 84.0
 
July 19, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A N/A 65.0
 
July 19, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A N/A 50.0
 
July 19, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
July 19, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 5.7 μg/m3 (24) 24.0
 
July 19, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 5.0 μg/m3 (5) -0.2 μg/m3 (0) 35.0
 
July 19, 2021, noon N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 6.0 μg/m3 (6) 3.5 μg/m3 (15) 38.0
 
July 19, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 8.0 μg/m3 (8) 4.3 μg/m3 (18) 41.0
 
July 19, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 15.0 μg/m3 (14) 6.3 μg/m3 (27) 38.0
 
July 19, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 9.0 μg/m3 (9) 2.9 μg/m3 (13) 29.0
 
July 19, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 9.0 μg/m3 (9) 5.0 μg/m3 (21) 32.0
 
July 19, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 6.0 μg/m3 (6) 4.2 μg/m3 (18) 37.0
 
July 19, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (9) 41.0
 
July 19, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 6.0 μg/m3 (6) 3.1 μg/m3 (13) 42.0
 
July 19, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 8.0 μg/m3 (8) 1.9 μg/m3 (8) 43.0
 
July 19, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 16.0 μg/m3 (15) 8.0 μg/m3 (34) 35.0
 
July 19, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 9.0 μg/m3 (9) 2.7 μg/m3 (12) 42.0
 
July 19, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 12.0 μg/m3 (12) 4.7 μg/m3 (20) 46.0
 
July 19, 2021, midnight N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A 13.0 μg/m3 (13) 4.9 μg/m3 (21) 58.0
 
July 18, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 8.0 μg/m3 (8) 0.8 μg/m3 (4) 55.0
 
July 18, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 11.0 μg/m3 (11) 5.1 μg/m3 (22) 49.0
 
July 18, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 11.0 μg/m3 (11) 5.5 μg/m3 (23) 46.0
 
July 18, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 15.0 μg/m3 (14) 1.3 μg/m3 (6) 43.0
 
July 18, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 32.0 μg/m3 (30) 1.8 μg/m3 (8) 43.0
 
July 18, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 52.0 μg/m3 (49) 5.7 μg/m3 (24) 49.0
 
July 18, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 14.0 μg/m3 (13) 0.1 μg/m3 (1) 33.0
 
July 18, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 13.0 μg/m3 (13) 6.0 μg/m3 (25) 34.0
 
July 18, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 11.0 μg/m3 (11) 4.7 μg/m3 (20) 28.0
 
July 18, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 13.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
July 18, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 11.0 μg/m3 (11) 5.7 μg/m3 (24) 24.0
 
July 18, 2021, noon N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 9.0 μg/m3 (9) 3.9 μg/m3 (17) 17.0
 
July 18, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 9.0 μg/m3 (9) 3.8 μg/m3 (16) 16.0
 
July 18, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 14.0 μg/m3 (13) 8.6 μg/m3 (36) 36.0
 
July 18, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 11.0 μg/m3 (11) 4.6 μg/m3 (20) 21.0
 
July 18, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 12.0 μg/m3 (12) 7.0 μg/m3 (30) 30.0
 
July 18, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 10.0 μg/m3 (10) 4.9 μg/m3 (21) 25.0
 
July 18, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 13.0 μg/m3 (13) 6.4 μg/m3 (27) 28.0
 
July 18, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 21.0 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
July 18, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 13.0 μg/m3 (13) 3.4 μg/m3 (15) 33.0