ID: 87

AQSQID: 040131004

Site Name: North Phoenix

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

Updated: April 10, 2021, 6:43 p.m.

Location: Phoenix (N Mtain), AZ

Reporting: True, Located: True

Current AQI: 46.0

Phoenix (N Mtain) AZ, US: 33.560299, -112.066299

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 10, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 17.4 μg/m3 (17) 4.5 μg/m3 (19) 46.0
 
April 10, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 21.0 μg/m3 (20) 5.1 μg/m3 (22) 42.0
 
April 10, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 27.1 μg/m3 (26) 7.9 μg/m3 (33) 33.0
 
April 10, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 25.2 μg/m3 (24) 7.6 μg/m3 (32) 32.0
 
April 10, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 18.8 μg/m3 (18) 6.7 μg/m3 (28) 28.0
 
April 10, 2021, noon N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 14.1 μg/m3 (14) 5.4 μg/m3 (23) 23.0
 
April 10, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 14.8 μg/m3 (14) 4.9 μg/m3 (21) 35.0
 
April 10, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 17.8 μg/m3 (17) 6.6 μg/m3 (28) 28.0
 
April 10, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 19.3 μg/m3 (18) 8.0 μg/m3 (34) 34.0
 
April 10, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 20.8 μg/m3 (20) 8.5 μg/m3 (36) 36.0
 
April 10, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 18.3 μg/m3 (17) 6.9 μg/m3 (29) 29.0
 
April 10, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 17.7 μg/m3 (17) 6.6 μg/m3 (28) 28.0
 
April 10, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 15.9 μg/m3 (15) 6.3 μg/m3 (27) 36.0
 
April 10, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 26.8 μg/m3 (25) 8.2 μg/m3 (35) 35.0
 
April 10, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 20.1 μg/m3 (19) 4.7 μg/m3 (20) 21.0
 
April 10, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 13.7 μg/m3 (13) 3.7 μg/m3 (16) 41.0
 
April 10, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 11.0 μg/m3 (11) 2.5 μg/m3 (11) 50.0
 
April 10, 2021, midnight N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 13.2 μg/m3 (13) 3.4 μg/m3 (15) 61.0
 
April 9, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A 8.0 μg/m3 (8) -0.6 μg/m3 (0) 71.0
 
April 9, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A 8.4 μg/m3 (8) 0.0 μg/m3 (0) 78.0
 
April 9, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A 12.9 μg/m3 (12) 0.8 μg/m3 (4) 81.0
 
April 9, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A 17.0 μg/m3 (16) 7.2 μg/m3 (31) 71.0
 
April 9, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 18.8 μg/m3 (18) 6.5 μg/m3 (28) 51.0
 
April 9, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 25.8 μg/m3 (24) 7.1 μg/m3 (30) 43.0
 
April 9, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 27.8 μg/m3 (26) 7.7 μg/m3 (33) 38.0
 
April 9, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 31.2 μg/m3 (29) 9.2 μg/m3 (39) 39.0
 
April 9, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 31.8 μg/m3 (30) 8.1 μg/m3 (34) 34.0
 
April 9, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 48.6 μg/m3 (45) 7.8 μg/m3 (33) 45.0
 
April 9, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 31.0 μg/m3 (29) 8.9 μg/m3 (38) 38.0
 
April 9, 2021, noon N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 21.7 μg/m3 (21) 7.2 μg/m3 (31) 31.0
 
April 9, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 20.9 μg/m3 (20) 7.9 μg/m3 (33) 33.0
 
April 9, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 21.8 μg/m3 (21) 8.3 μg/m3 (35) 35.0
 
April 9, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 19.2 μg/m3 (18) 6.7 μg/m3 (28) 28.0
 
April 9, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 15.8 μg/m3 (15) 5.9 μg/m3 (25) 25.0
 
April 9, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 15.0 μg/m3 (14) 5.7 μg/m3 (24) 24.0
 
April 9, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 16.5 μg/m3 (16) 5.2 μg/m3 (22) 32.0
 
April 9, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 27.9 μg/m3 (26) 7.0 μg/m3 (30) 30.0
 
April 9, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 23.9 μg/m3 (23) 4.6 μg/m3 (20) 25.0
 
April 9, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 21.4 μg/m3 (20) 5.4 μg/m3 (23) 38.0
 
April 9, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 13.2 μg/m3 (13) 2.5 μg/m3 (11) 38.0
 
April 9, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 16.2 μg/m3 (15) 2.8 μg/m3 (12) 42.0
 
April 9, 2021, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 26.1 μg/m3 (25) 4.3 μg/m3 (18) 43.0
 
April 8, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 27.9 μg/m3 (26) 1.9 μg/m3 (8) 50.0
 
April 8, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 24.1 μg/m3 (23) 7.0 μg/m3 (30) 51.0
 
April 8, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 18.6 μg/m3 (18) 5.2 μg/m3 (22) 61.0
 
April 8, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A 19.9 μg/m3 (19) 4.2 μg/m3 (18) 71.0
 
April 8, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A 23.1 μg/m3 (22) 5.8 μg/m3 (25) 68.0
 
April 8, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 21.9 μg/m3 (21) 4.5 μg/m3 (19) 51.0
 
April 8, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 21.4 μg/m3 (20) 4.0 μg/m3 (17) 40.0
 
April 8, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 18.8 μg/m3 (18) 4.8 μg/m3 (20) 38.0
 
April 8, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 29.1 μg/m3 (27) 7.0 μg/m3 (30) 36.0
 
April 8, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 32.9 μg/m3 (31) 7.8 μg/m3 (33) 33.0
 
April 8, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 36.6 μg/m3 (34) 8.5 μg/m3 (36) 36.0
 
April 8, 2021, noon N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 22.0 μg/m3 (21) 7.3 μg/m3 (31) 31.0
 
April 8, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 23.3 μg/m3 (22) 11.0 μg/m3 (46) 46.0
 
April 8, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 20.6 μg/m3 (20) 10.1 μg/m3 (43) 43.0
 
April 8, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 22.0 μg/m3 (21) 10.7 μg/m3 (45) 45.0
 
April 8, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 23.0 μg/m3 (22) 9.5 μg/m3 (40) 40.0
 
April 8, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 27.9 μg/m3 (26) 11.3 μg/m3 (48) 48.0
 
April 8, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 29.4 μg/m3 (28) 11.0 μg/m3 (46) 46.0
 
April 8, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 29.2 μg/m3 (28) 9.9 μg/m3 (42) 42.0
 
April 8, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 23.7 μg/m3 (22) 8.3 μg/m3 (35) 35.0
 
April 8, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 25.0 μg/m3 (24) 8.3 μg/m3 (35) 35.0
 
April 8, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 20.3 μg/m3 (19) 6.5 μg/m3 (28) 34.0
 
April 8, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 14.0 μg/m3 (13) 4.4 μg/m3 (19) 51.0
 
April 8, 2021, midnight N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 16.3 μg/m3 (16) 5.3 μg/m3 (23) 74.0
 
April 7, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) N/A 19.9 μg/m3 (19) 5.1 μg/m3 (22) 84.0
 
April 7, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A 21.3 μg/m3 (20) 5.0 μg/m3 (21) 81.0
 
April 7, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) N/A 22.9 μg/m3 (22) 7.0 μg/m3 (30) 84.0
 
April 7, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A 17.7 μg/m3 (17) 6.3 μg/m3 (27) 71.0
 
April 7, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 13.7 μg/m3 (13) 2.9 μg/m3 (13) 61.0
 
April 7, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 17.2 μg/m3 (16) 4.4 μg/m3 (19) 50.0
 
April 7, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 20.8 μg/m3 (20) 5.3 μg/m3 (23) 41.0
 
April 7, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 20.0 μg/m3 (19) 4.8 μg/m3 (20) 34.0
 
April 7, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A N/A 25.0
 
April 7, 2021, 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
April 7, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 15.7 μg/m3 (15) 6.2 μg/m3 (26) 26.0
 
April 7, 2021, noon N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 9.8 μg/m3 (10) 4.8 μg/m3 (20) 28.0
 
April 7, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 8.8 μg/m3 (9) 4.5 μg/m3 (19) 34.0
 
April 7, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 10.2 μg/m3 (10) 5.2 μg/m3 (22) 35.0
 
April 7, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 12.2 μg/m3 (12) 4.9 μg/m3 (21) 33.0
 
April 7, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 13.3 μg/m3 (13) 4.6 μg/m3 (20) 34.0
 
April 7, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 15.8 μg/m3 (15) 5.6 μg/m3 (24) 37.0
 
April 7, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 16.9 μg/m3 (16) 5.5 μg/m3 (23) 36.0
 
April 7, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 18.2 μg/m3 (17) 5.4 μg/m3 (23) 35.0
 
April 7, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 28.3 μg/m3 (27) 7.0 μg/m3 (30) 40.0
 
April 7, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 29.6 μg/m3 (28) 6.7 μg/m3 (28) 35.0
 
April 7, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 24.3 μg/m3 (23) 6.2 μg/m3 (26) 38.0
 
April 7, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 16.3 μg/m3 (16) 4.4 μg/m3 (19) 44.0
 
April 7, 2021, midnight N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 14.5 μg/m3 (14) 3.2 μg/m3 (14) 49.0
 
April 6, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 23.6 μg/m3 (22) 4.5 μg/m3 (19) 50.0
 
April 6, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 23.5 μg/m3 (22) 3.9 μg/m3 (17) 51.0
 
April 6, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 25.3 μg/m3 (24) 5.1 μg/m3 (22) 55.0
 
April 6, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 28.5 μg/m3 (27) 6.1 μg/m3 (26) 61.0
 
April 6, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A N/A 51.0
 
April 6, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A N/A 47.0
 
April 6, 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
 
April 6, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A N/A 38.0
 
April 6, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.7 μg/m3 (35) 8.1 μg/m3 (34) 35.0
 
April 6, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.6 μg/m3 (41) 9.5 μg/m3 (40) 41.0
 
April 6, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 44.2 μg/m3 (41) 9.0 μg/m3 (38) 41.0
 
April 6, 2021, noon N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 35.2 μg/m3 (33) 7.9 μg/m3 (33) 33.0
 
April 6, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 33.0 μg/m3 (31) 8.9 μg/m3 (38) 38.0
 
April 6, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 33.9 μg/m3 (32) 8.3 μg/m3 (35) 35.0
 
April 6, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 29.5 μg/m3 (28) 7.4 μg/m3 (31) 32.0
 
April 6, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 25.9 μg/m3 (24) 8.0 μg/m3 (34) 34.0
 
April 6, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 34.0 μg/m3 (32) 9.7 μg/m3 (41) 41.0
 
April 6, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 46.4 μg/m3 (43) 10.6 μg/m3 (45) 45.0
 
April 6, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 63.2 μg/m3 (56) 11.9 μg/m3 (50) 56.0
 
April 6, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 63.4 μg/m3 (56) 12.7 μg/m3 (53) 56.0
 
April 6, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 28.1 μg/m3 (27) 4.0 μg/m3 (17) 38.0
 
April 6, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 17.0 μg/m3 (16) 3.0 μg/m3 (13) 44.0
 
April 6, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 15.3 μg/m3 (15) 4.1 μg/m3 (18) 50.0
 
April 6, 2021, midnight N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 17.7 μg/m3 (17) 2.3 μg/m3 (10) 65.0
 
April 5, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 28.1 μg/m3 (27) 7.4 μg/m3 (31) 65.0
 
April 5, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A 17.5 μg/m3 (17) 4.2 μg/m3 (18) 68.0
 
April 5, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 23.7 μg/m3 (22) 8.7 μg/m3 (37) 74.0
 
April 5, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A 17.9 μg/m3 (17) 6.4 μg/m3 (27) 78.0
 
April 5, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A 18.5 μg/m3 (18) 6.2 μg/m3 (26) 78.0
 
April 5, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 19.4 μg/m3 (18) 3.8 μg/m3 (16) 65.0
 
April 5, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 22.4 μg/m3 (21) 6.5 μg/m3 (28) 50.0
 
April 5, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 41.9 μg/m3 (39) 12.1 μg/m3 (51) 51.0
 
April 5, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 42.9 μg/m3 (40) 11.4 μg/m3 (48) 48.0
 
April 5, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 36.6 μg/m3 (34) 11.1 μg/m3 (47) 47.0
 
April 5, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 31.4 μg/m3 (30) 13.5 μg/m3 (54) 54.0
 
April 5, 2021, noon N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 28.5 μg/m3 (27) 14.9 μg/m3 (57) 57.0
 
April 5, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 25.4 μg/m3 (24) 14.5 μg/m3 (57) 57.0
 
April 5, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 24.1 μg/m3 (23) 13.0 μg/m3 (53) 53.0
 
April 5, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 23.2 μg/m3 (22) 12.6 μg/m3 (53) 53.0
 
April 5, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 28.5 μg/m3 (27) 15.0 μg/m3 (58) 58.0
 
April 5, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 37.2 μg/m3 (35) 20.3 μg/m3 (69) 69.0
 
April 5, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 40.2 μg/m3 (38) 21.0 μg/m3 (70) 70.0
 
April 5, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 42.9 μg/m3 (40) 22.2 μg/m3 (73) 73.0
 
April 5, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 38.4 μg/m3 (36) 18.3 μg/m3 (65) 65.0
 
April 5, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 30.9 μg/m3 (29) 12.4 μg/m3 (52) 52.0
 
April 5, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 19.0 μg/m3 (18) 7.0 μg/m3 (30) 31.0
 
April 5, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 15.1 μg/m3 (14) 5.8 μg/m3 (25) 65.0
 
April 5, 2021, midnight N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A 12.3 μg/m3 (12) 5.1 μg/m3 (22) 78.0
 
April 4, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (87) N/A 11.0 μg/m3 (11) 3.6 μg/m3 (16) 87.0
 
April 4, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 70.0 ppb (100) N/A 20.8 μg/m3 (20) 9.7 μg/m3 (41) 100.0
 
April 4, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 75.0 ppb (104) N/A 18.3 μg/m3 (17) 7.6 μg/m3 (32) 104.0
 
April 4, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 72.0 ppb (102) N/A 24.2 μg/m3 (23) 8.5 μg/m3 (36) 102.0
 
April 4, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (101) N/A 21.2 μg/m3 (20) 6.3 μg/m3 (27) 101.0
 
April 4, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) N/A 20.4 μg/m3 (19) 6.9 μg/m3 (29) 84.0
 
April 4, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 24.2 μg/m3 (23) 8.5 μg/m3 (36) 55.0
 
April 4, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 30.4 μg/m3 (29) 9.9 μg/m3 (42) 43.0
 
April 4, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 34.2 μg/m3 (32) 10.6 μg/m3 (45) 45.0
 
April 4, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 32.3 μg/m3 (30) 12.0 μg/m3 (50) 50.0
 
April 4, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 29.7 μg/m3 (28) 13.1 μg/m3 (54) 54.0
 
April 4, 2021, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 27.7 μg/m3 (26) 12.8 μg/m3 (53) 53.0
 
April 4, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 25.6 μg/m3 (24) 12.8 μg/m3 (53) 53.0
 
April 4, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 23.9 μg/m3 (23) 11.4 μg/m3 (48) 48.0
 
April 4, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 27.6 μg/m3 (26) 10.7 μg/m3 (45) 45.0
 
April 4, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 35.2 μg/m3 (33) 13.4 μg/m3 (54) 54.0
 
April 4, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 36.8 μg/m3 (35) 15.6 μg/m3 (59) 59.0
 
April 4, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 38.8 μg/m3 (36) 15.2 μg/m3 (58) 58.0
 
April 4, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 41.3 μg/m3 (39) 16.1 μg/m3 (60) 60.0
 
April 4, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 36.4 μg/m3 (34) 14.2 μg/m3 (56) 56.0
 
April 4, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 29.5 μg/m3 (28) 12.0 μg/m3 (50) 50.0
 
April 4, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 20.3 μg/m3 (19) 8.5 μg/m3 (36) 43.0
 
April 4, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 16.1 μg/m3 (15) 6.5 μg/m3 (28) 65.0
 
April 4, 2021, midnight N/A N/A N/A N/A N/A N/A 68.0 ppb (94) N/A 13.8 μg/m3 (13) 4.2 μg/m3 (18) 94.0
 
April 3, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 70.0 ppb (100) N/A 11.4 μg/m3 (11) 2.8 μg/m3 (12) 100.0
 
April 3, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (87) N/A 17.8 μg/m3 (17) 6.7 μg/m3 (28) 87.0
 
April 3, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (101) N/A 23.1 μg/m3 (22) 10.8 μg/m3 (46) 101.0
 
April 3, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) N/A 18.5 μg/m3 (18) 5.2 μg/m3 (22) 84.0
 
April 3, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A 19.9 μg/m3 (19) 7.4 μg/m3 (31) 71.0
 
April 3, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 20.3 μg/m3 (19) 7.0 μg/m3 (30) 50.0