ID: 99

AQSQID: 040134005

Site Name: Tempe

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

Updated: Sept. 25, 2020, 3:39 a.m.

Location: Tempe (University Park), AZ

Reporting: True, Located: True

Current AQI: 20.0

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
Sept. 25, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 19.9 μg/m3 (18) 4.8 μg/m3 (20) 20.0
 
Sept. 25, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 23.9 μg/m3 (22) 6.3 μg/m3 (26) 31.0
 
Sept. 25, 2020, midnight N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 22.7 μg/m3 (21) 7.3 μg/m3 (30) 40.0
 
Sept. 24, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A 31.3 μg/m3 (28) 11.0 μg/m3 (46) 48.0
 
Sept. 24, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A 30.3 μg/m3 (28) 8.4 μg/m3 (35) 48.0
 
Sept. 24, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A 27.4 μg/m3 (25) 7.4 μg/m3 (31) 49.0
 
Sept. 24, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A 21.2 μg/m3 (19) 7.7 μg/m3 (32) 44.0
 
Sept. 24, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 24.1 μg/m3 (22) 7.0 μg/m3 (29) 41.0
 
Sept. 24, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 30.1 μg/m3 (27) 11.0 μg/m3 (46) 46.0
 
Sept. 24, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 28.1 μg/m3 (26) 7.0 μg/m3 (29) 29.0
 
Sept. 24, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 30.1 μg/m3 (27) 6.6 μg/m3 (28) 28.0
 
Sept. 24, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 42.0 μg/m3 (38) 8.1 μg/m3 (34) 38.0
 
Sept. 24, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 79.2 μg/m3 (62) 13.2 μg/m3 (53) 62.0
 
Sept. 24, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 39.7 μg/m3 (36) 11.3 μg/m3 (47) 47.0
 
Sept. 24, 2020, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 48.8 μg/m3 (44) 11.2 μg/m3 (47) 47.0
 
Sept. 24, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 28.9 μg/m3 (26) 11.4 μg/m3 (48) 48.0
 
Sept. 24, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 31.0 μg/m3 (28) 10.4 μg/m3 (43) 43.0
 
Sept. 24, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 26.0 μg/m3 (24) 8.3 μg/m3 (35) 35.0
 
Sept. 24, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 21.0 μg/m3 (19) 6.6 μg/m3 (28) 28.0
 
Sept. 24, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 24.0 μg/m3 (22) 9.3 μg/m3 (39) 39.0
 
Sept. 24, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 19.0 μg/m3 (17) 4.8 μg/m3 (20) 20.0
 
Sept. 24, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 20.0 μg/m3 (18) 6.4 μg/m3 (27) 27.0
 
Sept. 24, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 27.0 μg/m3 (25) 7.8 μg/m3 (32) 32.0
 
Sept. 24, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 29.0 μg/m3 (26) 10.5 μg/m3 (44) 44.0
 
Sept. 24, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 20.0 μg/m3 (18) 8.6 μg/m3 (36) 36.0
 
Sept. 24, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 13.0 μg/m3 (12) 6.9 μg/m3 (29) 29.0
 
Sept. 24, 2020, midnight N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 13.0 μg/m3 (12) 5.8 μg/m3 (24) 34.0
 
Sept. 23, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 35.0
 
Sept. 23, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 20.0 μg/m3 (18) 3.6 μg/m3 (15) 37.0
 
Sept. 23, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 26.0 μg/m3 (24) 5.1 μg/m3 (21) 38.0
 
Sept. 23, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 20.0 μg/m3 (18) 5.3 μg/m3 (22) 39.0
 
Sept. 23, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 21.0 μg/m3 (19) 9.5 μg/m3 (40) 42.0
 
Sept. 23, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 12.0 μg/m3 (11) 0.8 μg/m3 (3) 41.0
 
Sept. 23, 2020, 5 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) 4.3 μg/m3 (18) 34.0
 
Sept. 23, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 20.0 μg/m3 (18) 6.9 μg/m3 (29) 29.0
 
Sept. 23, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 22.0 μg/m3 (20) 3.8 μg/m3 (16) 21.0
 
Sept. 23, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 31.0 μg/m3 (28) 8.7 μg/m3 (36) 36.0
 
Sept. 23, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 33.0 μg/m3 (30) 10.8 μg/m3 (45) 45.0
 
Sept. 23, 2020, noon N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 23.0 μg/m3 (21) 8.3 μg/m3 (35) 35.0
 
Sept. 23, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 21.0 μg/m3 (19) 8.5 μg/m3 (35) 35.0
 
Sept. 23, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 25.0 μg/m3 (23) 9.9 μg/m3 (41) 41.0
 
Sept. 23, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 30.0 μg/m3 (27) 11.5 μg/m3 (48) 48.0
 
Sept. 23, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 33.0 μg/m3 (30) 12.8 μg/m3 (52) 52.0
 
Sept. 23, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 31.0 μg/m3 (28) 14.7 μg/m3 (56) 56.0
 
Sept. 23, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 29.0 μg/m3 (26) 13.2 μg/m3 (53) 53.0
 
Sept. 23, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 29.0 μg/m3 (26) 9.7 μg/m3 (40) 40.0
 
Sept. 23, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 21.0 μg/m3 (19) 8.4 μg/m3 (35) 35.0
 
Sept. 23, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 17.0 μg/m3 (15) 7.8 μg/m3 (32) 32.0
 
Sept. 23, 2020, 2 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) 4.2 μg/m3 (18) 20.0
 
Sept. 23, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 19.0 μg/m3 (17) 7.4 μg/m3 (31) 31.0
 
Sept. 23, 2020, midnight N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 16.0 μg/m3 (15) 7.2 μg/m3 (30) 41.0
 
Sept. 22, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 41.0
 
Sept. 22, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 20.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
Sept. 22, 2020, 9 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) 4.2 μg/m3 (18) 42.0
 
Sept. 22, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 17.0 μg/m3 (15) 6.0 μg/m3 (25) 42.0
 
Sept. 22, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 27.0 μg/m3 (25) 12.3 μg/m3 (51) 51.0
 
Sept. 22, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 41.0 μg/m3 (37) 11.5 μg/m3 (48) 48.0
 
Sept. 22, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 37.0 μg/m3 (34) 9.3 μg/m3 (39) 39.0
 
Sept. 22, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 43.0 μg/m3 (39) 20.1 μg/m3 (67) 67.0
 
Sept. 22, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 41.0 μg/m3 (37) 10.0 μg/m3 (42) 42.0
 
Sept. 22, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Sept. 22, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 30.0 μg/m3 (27) 12.8 μg/m3 (52) 52.0
 
Sept. 22, 2020, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 29.0 μg/m3 (26) 12.9 μg/m3 (52) 52.0
 
Sept. 22, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 30.0 μg/m3 (27) 14.3 μg/m3 (55) 55.0
 
Sept. 22, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 29.0 μg/m3 (26) 10.1 μg/m3 (42) 42.0
 
Sept. 22, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 25.0 μg/m3 (23) 10.3 μg/m3 (43) 43.0
 
Sept. 22, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 26.0 μg/m3 (24) 13.9 μg/m3 (54) 54.0
 
Sept. 22, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 26.0 μg/m3 (24) 10.9 μg/m3 (45) 45.0
 
Sept. 22, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 28.0 μg/m3 (25) 12.6 μg/m3 (51) 51.0
 
Sept. 22, 2020, 5 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) 12.9 μg/m3 (52) 52.0
 
Sept. 22, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 35.0 μg/m3 (32) 11.3 μg/m3 (47) 47.0
 
Sept. 22, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 21.0 μg/m3 (19) 11.2 μg/m3 (47) 47.0
 
Sept. 22, 2020, 2 a.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
 
Sept. 22, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 20.0 μg/m3 (18) 10.9 μg/m3 (45) 45.0
 
Sept. 22, 2020, midnight N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 23.0 μg/m3 (21) 8.4 μg/m3 (35) 38.0
 
Sept. 21, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 32.0 μg/m3 (29) 9.6 μg/m3 (40) 40.0
 
Sept. 21, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A 35.0 μg/m3 (32) 9.9 μg/m3 (41) 47.0
 
Sept. 21, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) N/A 30.0 μg/m3 (27) 11.2 μg/m3 (47) 50.0
 
Sept. 21, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A 22.0 μg/m3 (20) 9.0 μg/m3 (38) 48.0
 
Sept. 21, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 26.0 μg/m3 (24) 8.8 μg/m3 (37) 40.0
 
Sept. 21, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 52.0 μg/m3 (47) 11.4 μg/m3 (48) 48.0
 
Sept. 21, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 43.0 μg/m3 (39) 13.6 μg/m3 (53) 53.0
 
Sept. 21, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 55.0 μg/m3 (50) 13.6 μg/m3 (53) 53.0
 
Sept. 21, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 76.0 μg/m3 (60) 16.3 μg/m3 (59) 60.0
 
Sept. 21, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 66.0 μg/m3 (56) 15.9 μg/m3 (58) 58.0
 
Sept. 21, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 46.0 μg/m3 (42) 13.9 μg/m3 (54) 54.0
 
Sept. 21, 2020, noon N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 31.0 μg/m3 (28) 12.2 μg/m3 (50) 50.0
 
Sept. 21, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 30.0 μg/m3 (27) 13.8 μg/m3 (54) 54.0
 
Sept. 21, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 32.0 μg/m3 (29) 15.6 μg/m3 (58) 58.0
 
Sept. 21, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 34.0 μg/m3 (31) 14.5 μg/m3 (55) 55.0
 
Sept. 21, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 31.0 μg/m3 (28) 15.2 μg/m3 (57) 57.0
 
Sept. 21, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 31.0 μg/m3 (28) 20.2 μg/m3 (67) 67.0
 
Sept. 21, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 26.0 μg/m3 (24) 13.0 μg/m3 (52) 52.0
 
Sept. 21, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 28.0 μg/m3 (25) 15.1 μg/m3 (57) 57.0
 
Sept. 21, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 28.0 μg/m3 (25) 14.9 μg/m3 (56) 56.0
 
Sept. 21, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 27.0 μg/m3 (25) 12.9 μg/m3 (52) 52.0
 
Sept. 21, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 25.0 μg/m3 (23) 10.4 μg/m3 (43) 43.0
 
Sept. 21, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 18.0 μg/m3 (16) 10.2 μg/m3 (42) 42.0
 
Sept. 21, 2020, midnight N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 16.0 μg/m3 (15) 9.9 μg/m3 (41) 42.0
 
Sept. 20, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A 14.0 μg/m3 (13) 7.8 μg/m3 (32) 47.0
 
Sept. 20, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A 16.0 μg/m3 (15) 9.9 μg/m3 (41) 47.0
 
Sept. 20, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A 19.0 μg/m3 (17) 11.7 μg/m3 (49) 49.0
 
Sept. 20, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A 19.0 μg/m3 (17) 10.4 μg/m3 (43) 44.0
 
Sept. 20, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 16.0 μg/m3 (15) 7.7 μg/m3 (32) 42.0
 
Sept. 20, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 18.0 μg/m3 (16) 9.7 μg/m3 (40) 40.0
 
Sept. 20, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 20.0 μg/m3 (18) 9.8 μg/m3 (41) 41.0
 
Sept. 20, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 25.0 μg/m3 (23) 12.2 μg/m3 (50) 50.0
 
Sept. 20, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 26.0 μg/m3 (24) 9.7 μg/m3 (40) 40.0
 
Sept. 20, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 25.0 μg/m3 (23) 10.8 μg/m3 (45) 45.0
 
Sept. 20, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 19.0 μg/m3 (17) 10.1 μg/m3 (42) 42.0
 
Sept. 20, 2020, noon N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 21.0 μg/m3 (19) 11.4 μg/m3 (48) 48.0
 
Sept. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 23.0 μg/m3 (21) 12.5 μg/m3 (51) 51.0
 
Sept. 20, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 23.0 μg/m3 (21) 11.6 μg/m3 (48) 48.0
 
Sept. 20, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 22.0 μg/m3 (20) 10.2 μg/m3 (42) 42.0
 
Sept. 20, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 42.0 μg/m3 (38) 11.8 μg/m3 (49) 49.0
 
Sept. 20, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 59.0 μg/m3 (52) 13.5 μg/m3 (53) 53.0
 
Sept. 20, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 34.0 μg/m3 (31) 14.5 μg/m3 (55) 55.0
 
Sept. 20, 2020, 5 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) 16.1 μg/m3 (59) 59.0
 
Sept. 20, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 25.0 μg/m3 (23) 12.1 μg/m3 (50) 50.0
 
Sept. 20, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 24.0 μg/m3 (22) 11.8 μg/m3 (49) 49.0
 
Sept. 20, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 27.0 μg/m3 (25) 12.7 μg/m3 (51) 51.0
 
Sept. 20, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 21.0 μg/m3 (19) 10.0 μg/m3 (42) 42.0
 
Sept. 20, 2020, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 16.0 μg/m3 (15) 7.0 μg/m3 (29) 36.0
 
Sept. 19, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 19.0 μg/m3 (17) 8.2 μg/m3 (34) 43.0
 
Sept. 19, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 20.0 μg/m3 (18) 8.2 μg/m3 (34) 43.0
 
Sept. 19, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 24.0 μg/m3 (22) 8.5 μg/m3 (35) 42.0
 
Sept. 19, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 28.0 μg/m3 (25) 8.7 μg/m3 (36) 42.0
 
Sept. 19, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 32.0 μg/m3 (29) 9.9 μg/m3 (41) 41.0
 
Sept. 19, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 28.0 μg/m3 (25) 7.2 μg/m3 (30) 41.0
 
Sept. 19, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 29.0 μg/m3 (26) 8.2 μg/m3 (34) 39.0
 
Sept. 19, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 32.0 μg/m3 (29) 11.3 μg/m3 (47) 47.0
 
Sept. 19, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 34.0 μg/m3 (31) 10.4 μg/m3 (43) 43.0
 
Sept. 19, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 33.0 μg/m3 (30) 11.1 μg/m3 (46) 46.0
 
Sept. 19, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 28.0 μg/m3 (25) 11.9 μg/m3 (50) 50.0
 
Sept. 19, 2020, noon N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 21.0 μg/m3 (19) 10.9 μg/m3 (45) 45.0
 
Sept. 19, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 18.0 μg/m3 (16) 10.0 μg/m3 (42) 42.0
 
Sept. 19, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 21.0 μg/m3 (19) 10.9 μg/m3 (45) 45.0
 
Sept. 19, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 26.0 μg/m3 (24) 12.1 μg/m3 (50) 50.0
 
Sept. 19, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 30.0 μg/m3 (27) 13.8 μg/m3 (54) 54.0
 
Sept. 19, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 27.0 μg/m3 (25) 13.9 μg/m3 (54) 54.0
 
Sept. 19, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 25.0 μg/m3 (23) 11.9 μg/m3 (50) 50.0
 
Sept. 19, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 47.0 μg/m3 (43) 16.3 μg/m3 (59) 59.0
 
Sept. 19, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 47.0 μg/m3 (43) 17.3 μg/m3 (61) 61.0
 
Sept. 19, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 36.0 μg/m3 (33) 17.3 μg/m3 (61) 61.0
 
Sept. 19, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 38.0 μg/m3 (35) 15.8 μg/m3 (58) 58.0
 
Sept. 19, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 27.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
Sept. 19, 2020, midnight N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 18.0 μg/m3 (16) 10.0 μg/m3 (42) 42.0
 
Sept. 18, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A 16.0 μg/m3 (15) 9.8 μg/m3 (41) 44.0
 
Sept. 18, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A 17.0 μg/m3 (15) 10.5 μg/m3 (44) 45.0
 
Sept. 18, 2020, 9 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) 9.2 μg/m3 (38) 45.0
 
Sept. 18, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A 18.0 μg/m3 (16) 10.7 μg/m3 (45) 45.0
 
Sept. 18, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A 23.0 μg/m3 (21) 12.1 μg/m3 (50) 50.0
 
Sept. 18, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A 27.0 μg/m3 (25) 10.0 μg/m3 (42) 44.0
 
Sept. 18, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 29.0 μg/m3 (26) 9.9 μg/m3 (41) 41.0
 
Sept. 18, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 27.0 μg/m3 (25) 8.7 μg/m3 (36) 36.0
 
Sept. 18, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 33.0 μg/m3 (30) 10.2 μg/m3 (42) 42.0
 
Sept. 18, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 29.0 μg/m3 (26) 10.0 μg/m3 (42) 42.0
 
Sept. 18, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 20.0 μg/m3 (18) 6.6 μg/m3 (28) 28.0
 
Sept. 18, 2020, noon N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 19.0 μg/m3 (17) 7.4 μg/m3 (31) 31.0
 
Sept. 18, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 25.0 μg/m3 (23) 9.9 μg/m3 (41) 41.0
 
Sept. 18, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 19.0 μg/m3 (17) 8.4 μg/m3 (35) 35.0
 
Sept. 18, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 24.0 μg/m3 (22) 8.8 μg/m3 (37) 37.0
 
Sept. 18, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 26.0 μg/m3 (24) 9.9 μg/m3 (41) 41.0
 
Sept. 18, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 29.0 μg/m3 (26) 9.3 μg/m3 (39) 39.0
 
Sept. 18, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 31.0 μg/m3 (28) 11.6 μg/m3 (48) 48.0
 
Sept. 18, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 38.0 μg/m3 (35) 17.0 μg/m3 (61) 61.0
 
Sept. 18, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 28.0 μg/m3 (25) 9.8 μg/m3 (41) 41.0
 
Sept. 18, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 32.0 μg/m3 (29) 10.3 μg/m3 (43) 43.0