ID: 99

AQSQID: 040134005

Site Name: Tempe

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

Updated: June 23, 2021, 5:53 p.m.

Location: Tempe (University Park), AZ

Reporting: True, Located: True

Current AQI: 34.0

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
June 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 28.0 μg/m3 (26) 6.9 μg/m3 (29) 34.0
 
June 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 26.0 μg/m3 (25) 4.9 μg/m3 (21) 28.0
 
June 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 20.0 μg/m3 (19) 6.2 μg/m3 (26) 26.0
 
June 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 11.0 μg/m3 (11) 1.6 μg/m3 (7) 26.0
 
June 23, 2021, noon N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 13.0 μg/m3 (13) 6.6 μg/m3 (28) 32.0
 
June 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 13.0 μg/m3 (13) 5.9 μg/m3 (25) 36.0
 
June 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 11.0 μg/m3 (11) 5.3 μg/m3 (23) 38.0
 
June 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 7.0 μg/m3 (7) 2.1 μg/m3 (9) 40.0
 
June 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 17.0 μg/m3 (16) 8.9 μg/m3 (38) 46.0
 
June 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 16.0 μg/m3 (15) 4.8 μg/m3 (20) 50.0
 
June 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 28.0 μg/m3 (26) 9.7 μg/m3 (41) 50.0
 
June 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 15.0 μg/m3 (14) 7.8 μg/m3 (33) 48.0
 
June 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 16.0 μg/m3 (15) 6.0 μg/m3 (25) 48.0
 
June 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 23.0 μg/m3 (22) 7.8 μg/m3 (33) 50.0
 
June 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 23.0 μg/m3 (22) 5.9 μg/m3 (25) 45.0
 
June 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 29.0 μg/m3 (27) 8.3 μg/m3 (35) 38.0
 
June 23, 2021, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 31.0 μg/m3 (29) 6.0 μg/m3 (25) 40.0
 
June 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 24.0 μg/m3 (23) 5.3 μg/m3 (23) 44.0
 
June 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 23.0 μg/m3 (22) 5.9 μg/m3 (25) 47.0
 
June 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 25.0 μg/m3 (24) 7.1 μg/m3 (30) 47.0
 
June 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A 38.0 μg/m3 (36) 11.0 μg/m3 (46) 58.0
 
June 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A 35.0 μg/m3 (33) 8.2 μg/m3 (35) 78.0
 
June 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 36.0 μg/m3 (34) 8.1 μg/m3 (34) 74.0
 
June 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 35.0 μg/m3 (33) 8.4 μg/m3 (36) 49.0
 
June 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 36.0 μg/m3 (34) 9.5 μg/m3 (40) 40.0
 
June 22, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 46.0 μg/m3 (43) 11.2 μg/m3 (47) 47.0
 
June 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 46.0 μg/m3 (43) 10.4 μg/m3 (44) 44.0
 
June 22, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 39.0 μg/m3 (37) 9.6 μg/m3 (40) 40.0
 
June 22, 2021, noon N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 33.0 μg/m3 (31) 9.4 μg/m3 (40) 40.0
 
June 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 37.0 μg/m3 (35) 9.9 μg/m3 (42) 42.0
 
June 22, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 33.0 μg/m3 (31) 7.9 μg/m3 (33) 33.0
 
June 22, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 24.0 μg/m3 (23) 8.0 μg/m3 (34) 34.0
 
June 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 23.0 μg/m3 (22) 6.5 μg/m3 (28) 28.0
 
June 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 24.0 μg/m3 (23) 7.0 μg/m3 (30) 30.0
 
June 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 22.0 μg/m3 (21) 7.9 μg/m3 (33) 33.0
 
June 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 19.0 μg/m3 (18) 6.7 μg/m3 (28) 32.0
 
June 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 20.0 μg/m3 (19) 5.4 μg/m3 (23) 35.0
 
June 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 16.0 μg/m3 (15) 3.2 μg/m3 (14) 36.0
 
June 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 16.0 μg/m3 (15) 5.5 μg/m3 (23) 42.0
 
June 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 19.0 μg/m3 (18) 5.7 μg/m3 (24) 48.0
 
June 22, 2021, midnight N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 24.0 μg/m3 (23) 7.1 μg/m3 (30) 50.0
 
June 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 31.0 μg/m3 (29) 8.1 μg/m3 (34) 55.0
 
June 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 28.0 μg/m3 (26) 7.3 μg/m3 (31) 61.0
 
June 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 28.0 μg/m3 (26) 8.3 μg/m3 (35) 65.0
 
June 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 30.0 μg/m3 (28) 9.0 μg/m3 (38) 55.0
 
June 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 37.0 μg/m3 (35) 10.0 μg/m3 (42) 48.0
 
June 21, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 35.0 μg/m3 (33) 10.7 μg/m3 (45) 46.0
 
June 21, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0
 
June 21, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A N/A 38.0
 
June 21, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A N/A 33.0
 
June 21, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (41) 10.2 μg/m3 (43) 43.0
 
June 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 45.0 μg/m3 (42) 9.0 μg/m3 (38) 42.0
 
June 21, 2021, noon N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 35.0 μg/m3 (33) 4.1 μg/m3 (18) 33.0
 
June 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 41.0 μg/m3 (38) 9.3 μg/m3 (39) 39.0
 
June 21, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 32.0 μg/m3 (30) 7.1 μg/m3 (30) 33.0
 
June 21, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 31.0 μg/m3 (29) 7.9 μg/m3 (33) 35.0
 
June 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 28.0 μg/m3 (26) 9.5 μg/m3 (40) 40.0
 
June 21, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 26.0 μg/m3 (25) 10.5 μg/m3 (44) 44.0
 
June 21, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 26.0 μg/m3 (25) 10.3 μg/m3 (43) 43.0
 
June 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 25.0 μg/m3 (24) 7.8 μg/m3 (33) 39.0
 
June 21, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 23.0 μg/m3 (22) 7.7 μg/m3 (33) 44.0
 
June 21, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 22.0 μg/m3 (21) 5.5 μg/m3 (23) 46.0
 
June 21, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 25.0 μg/m3 (24) 6.5 μg/m3 (28) 48.0
 
June 21, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 31.0 μg/m3 (29) 5.4 μg/m3 (23) 55.0
 
June 21, 2021, midnight N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A 34.0 μg/m3 (32) 6.9 μg/m3 (29) 58.0
 
June 20, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 100.0 μg/m3 (74) 11.6 μg/m3 (49) 74.0
 
June 20, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 57.0 μg/m3 (52) 10.3 μg/m3 (43) 52.0
 
June 20, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 37.0 μg/m3 (35) 6.0 μg/m3 (25) 50.0
 
June 20, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A 33.0 μg/m3 (31) 11.9 μg/m3 (50) 58.0
 
June 20, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A 30.0 μg/m3 (28) 12.9 μg/m3 (53) 58.0
 
June 20, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (91) N/A 32.0 μg/m3 (30) 15.0 μg/m3 (58) 91.0
 
June 20, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 30.0 μg/m3 (28) 13.8 μg/m3 (55) 61.0
 
June 20, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 30.0 μg/m3 (28) 12.0 μg/m3 (50) 50.0
 
June 20, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 27.0 μg/m3 (25) 8.7 μg/m3 (37) 37.0
 
June 20, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 29.0 μg/m3 (27) 9.8 μg/m3 (41) 41.0
 
June 20, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 35.0 μg/m3 (33) 16.6 μg/m3 (61) 61.0
 
June 20, 2021, noon N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 32.0 μg/m3 (30) 10.9 μg/m3 (46) 46.0
 
June 20, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 27.0 μg/m3 (25) 10.6 μg/m3 (45) 45.0
 
June 20, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 27.0 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
June 20, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 29.0 μg/m3 (27) 12.6 μg/m3 (53) 53.0
 
June 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 29.0 μg/m3 (27) 10.9 μg/m3 (46) 46.0
 
June 20, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 33.0 μg/m3 (31) 11.7 μg/m3 (49) 49.0
 
June 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 28.0 μg/m3 (26) 11.4 μg/m3 (48) 48.0
 
June 20, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 24.0 μg/m3 (23) 9.4 μg/m3 (40) 40.0
 
June 20, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 27.0 μg/m3 (25) 9.7 μg/m3 (41) 41.0
 
June 20, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 28.0 μg/m3 (26) 10.6 μg/m3 (45) 45.0
 
June 20, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 34.0 μg/m3 (32) 7.9 μg/m3 (33) 47.0
 
June 20, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 47.0 μg/m3 (44) 10.0 μg/m3 (42) 55.0
 
June 20, 2021, midnight N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 38.0 μg/m3 (36) 9.5 μg/m3 (40) 61.0
 
June 19, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 36.0 μg/m3 (34) 8.1 μg/m3 (34) 55.0
 
June 19, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 49.0 μg/m3 (46) 12.1 μg/m3 (51) 65.0
 
June 19, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 34.0 μg/m3 (32) 7.8 μg/m3 (33) 65.0
 
June 19, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 70.0 ppb (100) N/A 35.0 μg/m3 (33) 14.0 μg/m3 (55) 100.0
 
June 19, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 79.0 ppb (106) N/A 30.0 μg/m3 (28) 9.1 μg/m3 (38) 106.0
 
June 19, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A 31.0 μg/m3 (29) 8.6 μg/m3 (36) 68.0
 
June 19, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 25.0 μg/m3 (24) 7.6 μg/m3 (32) 51.0
 
June 19, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 29.0 μg/m3 (27) 10.5 μg/m3 (44) 47.0
 
June 19, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 31.0 μg/m3 (29) 11.0 μg/m3 (46) 46.0
 
June 19, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 34.0 μg/m3 (32) 14.0 μg/m3 (55) 55.0
 
June 19, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 42.0 μg/m3 (39) 16.8 μg/m3 (61) 61.0
 
June 19, 2021, noon N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 34.0 μg/m3 (32) 14.5 μg/m3 (57) 57.0
 
June 19, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 32.0 μg/m3 (30) 12.0 μg/m3 (50) 50.0
 
June 19, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 29.0 μg/m3 (27) 13.5 μg/m3 (54) 54.0
 
June 19, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 27.0 μg/m3 (25) 12.6 μg/m3 (53) 53.0
 
June 19, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 25.0 μg/m3 (24) 8.4 μg/m3 (36) 36.0
 
June 19, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 27.0 μg/m3 (25) 10.6 μg/m3 (45) 45.0
 
June 19, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 28.0 μg/m3 (26) 11.8 μg/m3 (50) 50.0
 
June 19, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 33.0 μg/m3 (31) 11.0 μg/m3 (46) 46.0
 
June 19, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 28.0 μg/m3 (26) 10.2 μg/m3 (43) 43.0
 
June 19, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 27.0 μg/m3 (25) 10.2 μg/m3 (43) 45.0
 
June 19, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 23.0 μg/m3 (22) 5.1 μg/m3 (22) 61.0
 
June 19, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A 27.0 μg/m3 (25) 7.3 μg/m3 (31) 71.0
 
June 19, 2021, midnight N/A N/A N/A N/A N/A N/A 65.0 ppb (84) N/A 22.0 μg/m3 (21) 9.1 μg/m3 (38) 84.0
 
June 18, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 21.0 μg/m3 (20) 8.3 μg/m3 (35) 74.0
 
June 18, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 19.0 μg/m3 (18) 3.5 μg/m3 (15) 74.0
 
June 18, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (94) N/A 22.0 μg/m3 (21) 6.1 μg/m3 (26) 94.0
 
June 18, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (91) N/A 25.0 μg/m3 (24) 9.1 μg/m3 (38) 91.0
 
June 18, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A 25.0 μg/m3 (24) 8.0 μg/m3 (34) 78.0
 
June 18, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A 32.0 μg/m3 (30) 9.1 μg/m3 (38) 71.0
 
June 18, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A 33.0 μg/m3 (31) 4.9 μg/m3 (21) 68.0
 
June 18, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 37.0 μg/m3 (35) 5.6 μg/m3 (24) 47.0
 
June 18, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 58.0 μg/m3 (53) 10.9 μg/m3 (46) 53.0
 
June 18, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 49.0 μg/m3 (46) 11.8 μg/m3 (50) 50.0
 
June 18, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 36.0 μg/m3 (34) 11.6 μg/m3 (49) 49.0
 
June 18, 2021, noon N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 28.0 μg/m3 (26) 10.6 μg/m3 (45) 45.0
 
June 18, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 32.0 μg/m3 (30) 11.6 μg/m3 (49) 49.0
 
June 18, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 27.0 μg/m3 (25) 8.0 μg/m3 (34) 34.0
 
June 18, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 37.0 μg/m3 (35) 15.1 μg/m3 (58) 58.0
 
June 18, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 37.0 μg/m3 (35) 15.9 μg/m3 (59) 59.0
 
June 18, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 40.0 μg/m3 (38) 14.4 μg/m3 (56) 56.0
 
June 18, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 45.0 μg/m3 (42) 18.5 μg/m3 (65) 65.0
 
June 18, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 42.0 μg/m3 (39) 14.5 μg/m3 (57) 57.0
 
June 18, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 47.0 μg/m3 (44) 12.8 μg/m3 (53) 53.0
 
June 18, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 35.0 μg/m3 (33) 12.3 μg/m3 (52) 52.0
 
June 18, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A 27.0 μg/m3 (25) 8.6 μg/m3 (36) 58.0
 
June 18, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A 23.0 μg/m3 (22) 7.7 μg/m3 (33) 58.0
 
June 18, 2021, midnight N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A 25.0 μg/m3 (24) 10.9 μg/m3 (46) 68.0
 
June 17, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A 20.0 μg/m3 (19) 6.5 μg/m3 (28) 68.0
 
June 17, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 20.0 μg/m3 (19) 4.2 μg/m3 (18) 65.0
 
June 17, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 25.0 μg/m3 (24) 4.0 μg/m3 (17) 61.0
 
June 17, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A 28.0 μg/m3 (26) 6.3 μg/m3 (27) 71.0
 
June 17, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 38.0 μg/m3 (36) 11.4 μg/m3 (48) 61.0
 
June 17, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 52.0 μg/m3 (49) 13.8 μg/m3 (55) 65.0
 
June 17, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 39.0 μg/m3 (37) 7.1 μg/m3 (30) 65.0
 
June 17, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 43.0 μg/m3 (40) 9.8 μg/m3 (41) 41.0
 
June 17, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 49.0 μg/m3 (46) 10.0 μg/m3 (42) 46.0
 
June 17, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 49.0 μg/m3 (46) 9.0 μg/m3 (38) 46.0
 
June 17, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 54.0 μg/m3 (50) 11.8 μg/m3 (50) 50.0
 
June 17, 2021, noon N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 40.0 μg/m3 (38) 12.9 μg/m3 (53) 53.0
 
June 17, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 31.0 μg/m3 (29) 8.9 μg/m3 (38) 38.0
 
June 17, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 28.0 μg/m3 (26) 7.6 μg/m3 (32) 32.0
 
June 17, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 28.0 μg/m3 (26) 9.8 μg/m3 (41) 41.0
 
June 17, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 38.0 μg/m3 (36) 12.3 μg/m3 (52) 52.0
 
June 17, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 43.0 μg/m3 (40) 13.8 μg/m3 (55) 55.0
 
June 17, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 40.0 μg/m3 (38) 9.8 μg/m3 (41) 41.0
 
June 17, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 35.0 μg/m3 (33) 6.9 μg/m3 (29) 33.0
 
June 17, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 38.0 μg/m3 (36) 10.2 μg/m3 (43) 43.0
 
June 17, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 34.0 μg/m3 (32) 10.8 μg/m3 (46) 46.0
 
June 17, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A 33.0 μg/m3 (31) 7.6 μg/m3 (32) 58.0
 
June 17, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 73.0 ppb (103) N/A 33.0 μg/m3 (31) 9.4 μg/m3 (40) 103.0
 
June 17, 2021, midnight N/A N/A N/A N/A N/A N/A 76.0 ppb (104) N/A 30.0 μg/m3 (28) 11.4 μg/m3 (48) 104.0
 
June 16, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A 21.0 μg/m3 (20) 6.9 μg/m3 (29) 78.0
 
June 16, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A 31.0 μg/m3 (29) 6.3 μg/m3 (27) 71.0
 
June 16, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (87) N/A 32.0 μg/m3 (30) 8.3 μg/m3 (35) 87.0
 
June 16, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (97) N/A 28.0 μg/m3 (26) 7.1 μg/m3 (30) 97.0
 
June 16, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A 28.0 μg/m3 (26) 8.4 μg/m3 (36) 81.0
 
June 16, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 26.0 μg/m3 (25) 7.8 μg/m3 (33) 51.0
 
June 16, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 26.0 μg/m3 (25) 5.6 μg/m3 (24) 45.0