ID: 97

AQSQID: 040130019

Site Name: West Phoenix

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

Updated: April 22, 2021, 11:44 a.m.

Location: Phoenix (Maryvale), AZ

Reporting: True, Located: True

Current AQI: 37.0

Phoenix (Maryvale) AZ, US: 33.483799, -112.142601

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 22, 2021, 10 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 39.0 ppb (37) 0.0 ppb (0) 12.8 μg/m3 (12) 6.7 μg/m3 (28) 37.0
 
April 22, 2021, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 39.0 ppb (37) 0.0 ppb (0) 12.0 μg/m3 (12) 7.0 μg/m3 (30) 37.0
 
April 22, 2021, 8 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 42.0 ppb (39) 0.0 ppb (0) 9.4 μg/m3 (9) 4.5 μg/m3 (19) 39.0
 
April 22, 2021, 7 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 43.0 ppb (40) 0.0 ppb (0) 9.3 μg/m3 (9) 3.5 μg/m3 (15) 40.0
 
April 22, 2021, 6 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 44.0 ppb (41) 0.0 ppb (0) 9.2 μg/m3 (9) 2.7 μg/m3 (12) 41.0
 
April 22, 2021, 5 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 45.0 ppb (42) 0.0 ppb (0) 8.7 μg/m3 (9) 0.5 μg/m3 (3) 42.0
 
April 22, 2021, 4 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 45.0 ppb (42) 0.0 ppb (0) 5.8 μg/m3 (6) -5.8 μg/m3 (0) 42.0
 
April 22, 2021, 3 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 45.0 ppb (42) 0.0 ppb (0) 3.9 μg/m3 (4) N/A 42.0
 
April 22, 2021, 2 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 46.0 ppb (43) 0.0 ppb (0) 19.6 μg/m3 (19) 2.9 μg/m3 (13) 43.0
 
April 22, 2021, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 50.0 ppb (47) 0.0 ppb (0) 88.0 μg/m3 (68) 8.2 μg/m3 (35) 68.0
 
April 22, 2021, midnight N/A N/A N/A 3.0 ppb (3) N/A N/A 51.0 ppb (48) 0.0 ppb (0) 211.6 μg/m3 (130) 22.9 μg/m3 (74) 130.0
 
April 21, 2021, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 51.0 ppb (48) 0.0 ppb (0) 155.3 μg/m3 (102) 16.3 μg/m3 (60) 102.0
 
April 21, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 52.0 ppb (49) 0.0 ppb (0) 84.8 μg/m3 (66) 7.0 μg/m3 (30) 66.0
 
April 21, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 55.0 ppb (51) 0.0 ppb (0) 61.7 μg/m3 (55) 1.5 μg/m3 (7) 55.0
 
April 21, 2021, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 55.0 ppb (51) 0.0 ppb (0) 18.6 μg/m3 (18) 3.8 μg/m3 (16) 51.0
 
April 21, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 54.0 ppb (50) 0.0 ppb (0) 20.5 μg/m3 (19) 7.5 μg/m3 (32) 50.0
 
April 21, 2021, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 55.0 ppb (51) 0.0 ppb (0) 36.1 μg/m3 (34) 6.7 μg/m3 (28) 51.0
 
April 21, 2021, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 54.0 ppb (50) 0.0 ppb (0) 55.4 μg/m3 (52) 7.3 μg/m3 (31) 52.0
 
April 21, 2021, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 51.0 ppb (48) 0.0 ppb (0) 56.8 μg/m3 (52) 7.3 μg/m3 (31) 52.0
 
April 21, 2021, 3 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 46.0 ppb (43) 0.0 ppb (0) 44.9 μg/m3 (42) 5.1 μg/m3 (22) 43.0
 
April 21, 2021, 2 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 31.0 ppb (29) 0.1 ppb (2) 31.5 μg/m3 (30) 4.9 μg/m3 (21) 30.0
 
April 21, 2021, 1 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 26.0 ppb (25) 0.1 ppb (2) 19.6 μg/m3 (19) 1.7 μg/m3 (8) 25.0
 
April 21, 2021, noon N/A N/A N/A 18.0 ppb (17) N/A N/A 24.0 ppb (23) 0.1 ppb (2) 20.0 μg/m3 (19) 3.8 μg/m3 (16) 23.0
 
April 21, 2021, 11 a.m. N/A N/A N/A 12.0 ppb (12) N/A N/A 29.0 ppb (27) 0.1 ppb (2) 20.1 μg/m3 (19) 4.7 μg/m3 (20) 27.0
 
April 21, 2021, 10 a.m. N/A N/A N/A 11.0 ppb (11) N/A N/A 28.0 ppb (26) 0.1 ppb (2) 22.5 μg/m3 (21) 7.8 μg/m3 (33) 33.0
 
April 21, 2021, 9 a.m. N/A N/A N/A 16.0 ppb (16) N/A N/A 24.0 ppb (23) 0.1 ppb (2) 22.0 μg/m3 (21) 7.8 μg/m3 (33) 33.0
 
April 21, 2021, 8 a.m. N/A N/A N/A 13.0 ppb (13) N/A N/A 31.0 ppb (29) 0.1 ppb (2) 19.8 μg/m3 (19) 7.2 μg/m3 (31) 31.0
 
April 21, 2021, 7 a.m. N/A N/A N/A 11.0 ppb (11) N/A N/A 37.0 ppb (35) 0.1 ppb (2) 16.0 μg/m3 (15) 4.2 μg/m3 (18) 35.0
 
April 21, 2021, 6 a.m. N/A N/A N/A 22.0 ppb (21) N/A N/A 19.0 ppb (18) 0.3 ppb (4) 15.8 μg/m3 (15) 3.1 μg/m3 (13) 21.0
 
April 21, 2021, 5 a.m. N/A N/A N/A 13.0 ppb (13) N/A N/A 38.0 ppb (36) 0.1 ppb (2) 14.3 μg/m3 (14) 4.4 μg/m3 (19) 36.0
 
April 21, 2021, 4 a.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 47.0 ppb (44) 0.1 ppb (2) 16.0 μg/m3 (15) 3.9 μg/m3 (17) 44.0
 
April 21, 2021, 3 a.m. N/A N/A N/A 12.0 ppb (12) N/A N/A 45.0 ppb (42) 0.1 ppb (2) 23.6 μg/m3 (22) 5.6 μg/m3 (24) 42.0
 
April 21, 2021, 2 a.m. N/A N/A N/A 13.0 ppb (13) N/A N/A 45.0 ppb (42) 0.1 ppb (2) 21.7 μg/m3 (21) 5.1 μg/m3 (22) 42.0
 
April 21, 2021, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 54.0 ppb (50) 0.0 ppb (0) 20.5 μg/m3 (19) 5.7 μg/m3 (24) 50.0
 
April 21, 2021, midnight N/A N/A N/A 4.0 ppb (4) N/A N/A 57.0 ppb (58) 0.0 ppb (0) 18.5 μg/m3 (18) 1.9 μg/m3 (8) 58.0
 
April 20, 2021, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 60.0 ppb (68) 0.0 ppb (0) 21.0 μg/m3 (20) 2.8 μg/m3 (12) 68.0
 
April 20, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 60.0 ppb (68) 0.0 ppb (0) 38.3 μg/m3 (36) 6.2 μg/m3 (26) 68.0
 
April 20, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 61.0 ppb (71) 0.1 ppb (2) 19.6 μg/m3 (19) 3.9 μg/m3 (17) 71.0
 
April 20, 2021, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 60.0 ppb (68) 0.0 ppb (0) N/A N/A 68.0
 
April 20, 2021, 7 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 56.0 ppb (55) 0.1 ppb (2) N/A N/A 55.0
 
April 20, 2021, 6 p.m. N/A N/A N/A 10.0 ppb (10) N/A N/A 52.0 ppb (49) 0.0 ppb (0) N/A N/A 49.0
 
April 20, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) 0.1 ppb (2) 35.8 μg/m3 (34) 6.4 μg/m3 (27) 35.0
 
April 20, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) 0.2 ppb (3) 41.8 μg/m3 (39) 7.7 μg/m3 (33) 39.0
 
April 20, 2021, 3 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A 24.0 ppb (23) 0.2 ppb (3) 33.4 μg/m3 (31) 6.0 μg/m3 (25) 31.0
 
April 20, 2021, 2 p.m. N/A N/A N/A 25.0 ppb (24) N/A N/A N/A N/A 32.4 μg/m3 (30) 7.2 μg/m3 (31) 31.0
 
April 20, 2021, 1 p.m. N/A N/A N/A 21.0 ppb (20) N/A N/A 23.0 ppb (22) 0.2 ppb (3) 28.9 μg/m3 (27) 7.9 μg/m3 (33) 33.0
 
April 20, 2021, noon N/A N/A N/A 20.0 ppb (19) N/A N/A 22.0 ppb (21) 0.2 ppb (3) 25.3 μg/m3 (24) 7.4 μg/m3 (31) 31.0
 
April 20, 2021, 11 a.m. N/A N/A N/A 16.0 ppb (16) N/A N/A 25.0 ppb (24) 0.1 ppb (2) 23.0 μg/m3 (22) 8.2 μg/m3 (35) 35.0
 
April 20, 2021, 10 a.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 24.0 ppb (23) 0.1 ppb (2) 21.8 μg/m3 (21) 8.0 μg/m3 (34) 34.0
 
April 20, 2021, 9 a.m. N/A N/A N/A 25.0 ppb (24) N/A N/A 13.0 ppb (13) 0.3 ppb (4) 24.8 μg/m3 (23) 8.3 μg/m3 (35) 35.0
 
April 20, 2021, 8 a.m. N/A N/A N/A 33.0 ppb (32) N/A N/A 2.0 ppb (2) 0.4 ppb (5) 28.8 μg/m3 (27) 11.2 μg/m3 (47) 47.0
 
April 20, 2021, 7 a.m. N/A N/A N/A 28.0 ppb (27) N/A N/A 10.0 ppb (10) 0.3 ppb (4) 22.8 μg/m3 (22) 9.9 μg/m3 (42) 42.0
 
April 20, 2021, 6 a.m. N/A N/A N/A 21.0 ppb (20) N/A N/A 23.0 ppb (22) 0.2 ppb (3) 18.2 μg/m3 (17) 4.7 μg/m3 (20) 22.0
 
April 20, 2021, 5 a.m. N/A N/A N/A 17.0 ppb (17) N/A N/A 27.0 ppb (25) 0.2 ppb (3) 18.1 μg/m3 (17) 4.1 μg/m3 (18) 25.0
 
April 20, 2021, 4 a.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 34.0 ppb (32) 0.1 ppb (2) 16.1 μg/m3 (15) 2.4 μg/m3 (10) 32.0
 
April 20, 2021, 3 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 34.0 ppb (32) 0.1 ppb (2) 17.0 μg/m3 (16) 4.3 μg/m3 (18) 32.0
 
April 20, 2021, 2 a.m. N/A N/A N/A 11.0 ppb (11) N/A N/A 42.0 ppb (39) 0.1 ppb (2) 17.0 μg/m3 (16) 2.6 μg/m3 (11) 39.0
 
April 20, 2021, 1 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 51.0 ppb (48) 0.0 ppb (0) 15.0 μg/m3 (14) 3.6 μg/m3 (16) 48.0
 
April 20, 2021, midnight N/A N/A N/A 4.0 ppb (4) N/A N/A 58.0 ppb (61) 0.0 ppb (0) 14.4 μg/m3 (14) 4.1 μg/m3 (18) 61.0
 
April 19, 2021, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 59.0 ppb (65) 0.0 ppb (0) 17.8 μg/m3 (17) 3.8 μg/m3 (16) 65.0
 
April 19, 2021, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 61.0 ppb (71) 0.0 ppb (0) 22.9 μg/m3 (22) 6.4 μg/m3 (27) 71.0
 
April 19, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 59.0 ppb (65) 0.0 ppb (0) 5.1 μg/m3 (5) 0.4 μg/m3 (2) 65.0
 
April 19, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 58.0 ppb (61) 0.0 ppb (0) 7.8 μg/m3 (8) 3.0 μg/m3 (13) 61.0
 
April 19, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 54.0 ppb (50) 0.0 ppb (0) 10.0 μg/m3 (10) 4.6 μg/m3 (20) 50.0
 
April 19, 2021, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 49.0 ppb (46) 0.0 ppb (0) 11.1 μg/m3 (11) 3.7 μg/m3 (16) 46.0
 
April 19, 2021, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 48.0 ppb (45) 0.0 ppb (0) 13.1 μg/m3 (13) 4.7 μg/m3 (20) 45.0
 
April 19, 2021, 4 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 43.0 ppb (40) 0.1 ppb (2) 17.0 μg/m3 (16) 5.3 μg/m3 (23) 40.0
 
April 19, 2021, 3 p.m. N/A N/A N/A 13.0 ppb (13) N/A N/A 35.0 ppb (33) 0.1 ppb (2) 28.2 μg/m3 (27) 7.5 μg/m3 (32) 33.0
 
April 19, 2021, 2 p.m. N/A N/A N/A 25.0 ppb (24) N/A N/A 20.0 ppb (19) 0.3 ppb (4) 40.4 μg/m3 (38) 9.4 μg/m3 (40) 40.0
 
April 19, 2021, 1 p.m. N/A N/A N/A 32.0 ppb (31) N/A N/A 7.0 ppb (7) 0.6 ppb (7) 41.6 μg/m3 (39) 6.7 μg/m3 (28) 39.0
 
April 19, 2021, noon N/A N/A N/A 28.0 ppb (27) N/A N/A 8.0 ppb (8) 0.4 ppb (5) 20.9 μg/m3 (20) 5.2 μg/m3 (22) 27.0
 
April 19, 2021, 11 a.m. N/A N/A N/A 17.0 ppb (17) N/A N/A 20.0 ppb (19) 0.2 ppb (3) 12.3 μg/m3 (12) 5.3 μg/m3 (23) 23.0
 
April 19, 2021, 10 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 30.0 ppb (28) 0.1 ppb (2) 7.6 μg/m3 (8) 3.8 μg/m3 (16) 28.0
 
April 19, 2021, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 36.0 ppb (34) 0.0 ppb (0) 9.6 μg/m3 (9) 3.4 μg/m3 (15) 34.0
 
April 19, 2021, 8 a.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 32.0 ppb (30) 0.1 ppb (2) 10.5 μg/m3 (10) 3.9 μg/m3 (17) 30.0
 
April 19, 2021, 7 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 33.0 ppb (31) 0.1 ppb (2) 8.5 μg/m3 (8) 4.0 μg/m3 (17) 31.0
 
April 19, 2021, 6 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 35.0 ppb (33) 0.1 ppb (2) 6.9 μg/m3 (7) 2.9 μg/m3 (13) 33.0
 
April 19, 2021, 5 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 37.0 ppb (35) 0.1 ppb (2) 6.5 μg/m3 (7) 2.1 μg/m3 (9) 35.0
 
April 19, 2021, 4 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 40.0 ppb (38) 0.1 ppb (2) 8.7 μg/m3 (9) 3.0 μg/m3 (13) 38.0
 
April 19, 2021, 3 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 42.0 ppb (39) 0.1 ppb (2) 8.6 μg/m3 (8) 3.4 μg/m3 (15) 39.0
 
April 19, 2021, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 46.0 ppb (43) 0.0 ppb (0) 8.3 μg/m3 (8) 2.0 μg/m3 (9) 43.0
 
April 19, 2021, 1 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 49.0 ppb (46) 0.1 ppb (2) 16.7 μg/m3 (16) 8.1 μg/m3 (34) 46.0
 
April 19, 2021, midnight N/A N/A N/A 3.0 ppb (3) N/A N/A 50.0 ppb (47) 0.1 ppb (2) 13.4 μg/m3 (13) 6.7 μg/m3 (28) 47.0
 
April 18, 2021, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 51.0 ppb (48) 0.0 ppb (0) 12.5 μg/m3 (12) 3.6 μg/m3 (16) 48.0
 
April 18, 2021, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 52.0 ppb (49) 0.0 ppb (0) 94.5 μg/m3 (71) 4.9 μg/m3 (21) 71.0
 
April 18, 2021, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 51.0 ppb (48) 0.0 ppb (0) 75.7 μg/m3 (62) 3.4 μg/m3 (15) 62.0
 
April 18, 2021, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 51.0 ppb (48) 0.0 ppb (0) 19.5 μg/m3 (19) 1.9 μg/m3 (8) 48.0
 
April 18, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 49.0 ppb (46) 0.0 ppb (0) 12.5 μg/m3 (12) 0.3 μg/m3 (2) 46.0
 
April 18, 2021, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 47.0 ppb (44) 0.0 ppb (0) 12.9 μg/m3 (12) 2.4 μg/m3 (10) 44.0
 
April 18, 2021, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 46.0 ppb (43) 0.0 ppb (0) 19.6 μg/m3 (19) 6.8 μg/m3 (29) 43.0
 
April 18, 2021, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 46.0 ppb (43) 0.0 ppb (0) 11.4 μg/m3 (11) 2.0 μg/m3 (9) 43.0
 
April 18, 2021, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) 0.0 ppb (0) 10.5 μg/m3 (10) 2.2 μg/m3 (10) 40.0
 
April 18, 2021, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 37.0 ppb (35) 0.0 ppb (0) 16.5 μg/m3 (16) 4.9 μg/m3 (21) 35.0
 
April 18, 2021, 1 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 32.0 ppb (30) 0.0 ppb (0) 21.1 μg/m3 (20) 3.7 μg/m3 (16) 30.0
 
April 18, 2021, noon N/A N/A N/A 6.0 ppb (6) N/A N/A 30.0 ppb (28) 0.0 ppb (0) 9.9 μg/m3 (10) 3.3 μg/m3 (14) 28.0
 
April 18, 2021, 11 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 30.0 ppb (28) 0.2 ppb (3) 10.0 μg/m3 (10) 3.4 μg/m3 (15) 28.0
 
April 18, 2021, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) 0.0 ppb (0) 17.7 μg/m3 (17) 3.5 μg/m3 (15) 34.0
 
April 18, 2021, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 33.0 ppb (31) 0.1 ppb (2) 15.2 μg/m3 (15) 4.0 μg/m3 (17) 31.0
 
April 18, 2021, 8 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 31.0 ppb (29) 0.1 ppb (2) 14.7 μg/m3 (14) 4.7 μg/m3 (20) 29.0
 
April 18, 2021, 7 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 35.0 ppb (33) 0.1 ppb (2) 14.2 μg/m3 (14) 5.3 μg/m3 (23) 33.0
 
April 18, 2021, 6 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 34.0 ppb (32) 0.1 ppb (2) 16.8 μg/m3 (16) 4.6 μg/m3 (20) 32.0
 
April 18, 2021, 5 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 39.0 ppb (37) 0.1 ppb (2) 24.0 μg/m3 (23) 4.8 μg/m3 (20) 37.0
 
April 18, 2021, 4 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 43.0 ppb (40) 0.0 ppb (0) 20.0 μg/m3 (19) 3.8 μg/m3 (16) 40.0
 
April 18, 2021, 3 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 47.0 ppb (44) 0.1 ppb (2) 22.0 μg/m3 (21) 2.4 μg/m3 (10) 44.0
 
April 18, 2021, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 48.0 ppb (45) 0.1 ppb (2) 25.4 μg/m3 (24) 4.3 μg/m3 (18) 45.0
 
April 18, 2021, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 50.0 ppb (47) 0.0 ppb (0) 18.9 μg/m3 (18) 3.1 μg/m3 (13) 47.0
 
April 18, 2021, midnight N/A N/A N/A 3.0 ppb (3) N/A N/A 51.0 ppb (48) 0.0 ppb (0) 16.6 μg/m3 (16) 3.7 μg/m3 (16) 48.0
 
April 17, 2021, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 53.0 ppb (50) 0.0 ppb (0) 16.6 μg/m3 (16) 2.7 μg/m3 (12) 50.0
 
April 17, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 55.0 ppb (51) 0.0 ppb (0) 16.6 μg/m3 (16) 4.4 μg/m3 (19) 51.0
 
April 17, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 57.0 ppb (58) 0.0 ppb (0) 17.6 μg/m3 (17) 2.2 μg/m3 (10) 58.0
 
April 17, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 57.0 ppb (58) 0.0 ppb (0) 11.5 μg/m3 (11) 1.5 μg/m3 (7) 58.0
 
April 17, 2021, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 54.0 ppb (50) 0.0 ppb (0) 17.0 μg/m3 (16) 6.0 μg/m3 (25) 50.0
 
April 17, 2021, 6 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 48.0 ppb (45) 0.0 ppb (0) 17.7 μg/m3 (17) 5.5 μg/m3 (23) 45.0
 
April 17, 2021, 5 p.m. N/A N/A N/A 12.0 ppb (12) N/A N/A 44.0 ppb (41) 0.1 ppb (2) 30.0 μg/m3 (28) 9.1 μg/m3 (38) 41.0
 
April 17, 2021, 4 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 37.0 ppb (35) 0.2 ppb (3) 38.8 μg/m3 (36) 11.9 μg/m3 (50) 50.0
 
April 17, 2021, 3 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 27.0 ppb (25) 0.3 ppb (4) 41.6 μg/m3 (39) 13.0 μg/m3 (53) 53.0
 
April 17, 2021, 2 p.m. N/A N/A N/A 28.0 ppb (27) N/A N/A 14.0 ppb (13) 0.6 ppb (7) 66.9 μg/m3 (57) 16.6 μg/m3 (61) 61.0
 
April 17, 2021, 1 p.m. N/A N/A N/A 31.0 ppb (30) N/A N/A 4.0 ppb (4) 0.9 ppb (11) 78.7 μg/m3 (63) 15.1 μg/m3 (58) 63.0
 
April 17, 2021, noon N/A N/A N/A 30.0 ppb (29) N/A N/A 3.0 ppb (3) 0.5 ppb (6) 31.8 μg/m3 (30) 11.0 μg/m3 (46) 46.0
 
April 17, 2021, 11 a.m. N/A N/A N/A 30.0 ppb (29) N/A N/A 4.0 ppb (4) 0.5 ppb (6) 33.4 μg/m3 (31) 13.2 μg/m3 (54) 54.0
 
April 17, 2021, 10 a.m. N/A N/A N/A 32.0 ppb (31) N/A N/A 2.0 ppb (2) 0.7 ppb (8) 36.2 μg/m3 (34) 12.6 μg/m3 (53) 53.0
 
April 17, 2021, 9 a.m. N/A N/A N/A 32.0 ppb (31) N/A N/A 2.0 ppb (2) 0.6 ppb (7) 33.7 μg/m3 (32) 11.0 μg/m3 (46) 46.0
 
April 17, 2021, 8 a.m. N/A N/A N/A 30.0 ppb (29) N/A N/A 4.0 ppb (4) 0.5 ppb (6) 39.1 μg/m3 (37) 9.3 μg/m3 (39) 39.0
 
April 17, 2021, 7 a.m. N/A N/A N/A 25.0 ppb (24) N/A N/A 12.0 ppb (12) 0.4 ppb (5) 47.6 μg/m3 (45) 10.0 μg/m3 (42) 45.0
 
April 17, 2021, 6 a.m. N/A N/A N/A 26.0 ppb (25) N/A N/A 14.0 ppb (13) 0.4 ppb (5) 57.8 μg/m3 (53) 9.9 μg/m3 (42) 53.0
 
April 17, 2021, 5 a.m. N/A N/A N/A 34.0 ppb (33) N/A N/A 14.0 ppb (13) 0.5 ppb (6) 46.7 μg/m3 (44) 12.0 μg/m3 (50) 50.0
 
April 17, 2021, 4 a.m. N/A N/A N/A 44.0 ppb (42) N/A N/A 5.0 ppb (5) 0.8 ppb (10) 44.7 μg/m3 (42) 10.1 μg/m3 (43) 43.0
 
April 17, 2021, 3 a.m. N/A N/A N/A 39.0 ppb (37) N/A N/A 6.0 ppb (6) 0.6 ppb (7) 28.9 μg/m3 (27) 7.5 μg/m3 (32) 37.0
 
April 17, 2021, 2 a.m. N/A N/A N/A 17.0 ppb (17) N/A N/A 36.0 ppb (34) 0.2 ppb (3) 20.5 μg/m3 (19) 4.9 μg/m3 (21) 34.0
 
April 17, 2021, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 56.0 ppb (55) 0.0 ppb (0) 15.1 μg/m3 (14) 4.5 μg/m3 (19) 55.0
 
April 17, 2021, midnight N/A N/A N/A 4.0 ppb (4) N/A N/A 60.0 ppb (68) 0.0 ppb (0) 15.8 μg/m3 (15) 7.1 μg/m3 (30) 68.0
 
April 16, 2021, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 60.0 ppb (68) 0.0 ppb (0) 17.7 μg/m3 (17) 7.6 μg/m3 (32) 68.0
 
April 16, 2021, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 61.0 ppb (71) 0.0 ppb (0) 19.9 μg/m3 (19) 7.6 μg/m3 (32) 71.0
 
April 16, 2021, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 60.0 ppb (68) 0.0 ppb (0) 16.3 μg/m3 (16) 5.4 μg/m3 (23) 68.0
 
April 16, 2021, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 58.0 ppb (61) 0.0 ppb (0) 12.7 μg/m3 (12) 3.2 μg/m3 (14) 61.0
 
April 16, 2021, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 56.0 ppb (55) 0.0 ppb (0) 16.3 μg/m3 (16) 4.2 μg/m3 (18) 55.0
 
April 16, 2021, 6 p.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 50.0 ppb (47) 0.0 ppb (0) 20.8 μg/m3 (20) 5.4 μg/m3 (23) 47.0
 
April 16, 2021, 5 p.m. N/A N/A N/A 13.0 ppb (13) N/A N/A 43.0 ppb (40) 0.1 ppb (2) 31.3 μg/m3 (29) 9.2 μg/m3 (39) 40.0
 
April 16, 2021, 4 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 34.0 ppb (32) 0.1 ppb (2) 53.4 μg/m3 (50) 12.4 μg/m3 (52) 52.0
 
April 16, 2021, 3 p.m. N/A N/A N/A 33.0 ppb (32) N/A N/A 16.0 ppb (15) 0.3 ppb (4) 58.8 μg/m3 (53) 15.4 μg/m3 (58) 58.0
 
April 16, 2021, 2 p.m. N/A N/A N/A 36.0 ppb (34) N/A N/A 6.0 ppb (6) 0.6 ppb (7) 78.1 μg/m3 (63) 15.8 μg/m3 (59) 63.0
 
April 16, 2021, 1 p.m. N/A N/A N/A 28.0 ppb (27) N/A N/A 2.0 ppb (2) 1.0 ppb (12) 52.5 μg/m3 (49) 11.3 μg/m3 (48) 49.0
 
April 16, 2021, noon N/A N/A N/A 28.0 ppb (27) N/A N/A 1.0 ppb (1) 0.7 ppb (8) 34.2 μg/m3 (32) 8.4 μg/m3 (36) 36.0
 
April 16, 2021, 11 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 11.0 ppb (11) 0.3 ppb (4) 32.4 μg/m3 (30) 6.8 μg/m3 (29) 30.0
 
April 16, 2021, 10 a.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 20.0 ppb (19) 0.1 ppb (2) 18.5 μg/m3 (18) 5.6 μg/m3 (24) 24.0
 
April 16, 2021, 9 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A 28.0 ppb (26) 0.1 ppb (2) 17.8 μg/m3 (17) 5.5 μg/m3 (23) 26.0
 
April 16, 2021, 8 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A 29.0 ppb (27) 0.1 ppb (2) 15.2 μg/m3 (15) 4.5 μg/m3 (19) 27.0
 
April 16, 2021, 7 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A 38.0 ppb (36) 0.1 ppb (2) 23.0 μg/m3 (22) 8.1 μg/m3 (34) 36.0
 
April 16, 2021, 6 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 25.0 ppb (24) 0.2 ppb (3) 23.1 μg/m3 (22) 6.2 μg/m3 (26) 26.0
 
April 16, 2021, 5 a.m. N/A N/A N/A 14.0 ppb (14) N/A N/A 33.0 ppb (31) 0.2 ppb (3) 20.7 μg/m3 (20) 6.2 μg/m3 (26) 31.0
 
April 16, 2021, 4 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 44.0 ppb (41) 0.1 ppb (2) 18.7 μg/m3 (18) 4.0 μg/m3 (17) 41.0
 
April 16, 2021, 3 a.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 45.0 ppb (42) 0.1 ppb (2) 23.6 μg/m3 (22) 5.0 μg/m3 (21) 42.0
 
April 16, 2021, 2 a.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 46.0 ppb (43) 0.1 ppb (2) 32.1 μg/m3 (30) 5.0 μg/m3 (21) 43.0
 
April 16, 2021, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 51.0 ppb (48) 0.1 ppb (2) 31.1 μg/m3 (29) 5.6 μg/m3 (24) 48.0
 
April 16, 2021, midnight N/A N/A N/A 5.0 ppb (5) N/A N/A 55.0 ppb (51) 0.0 ppb (0) 27.8 μg/m3 (26) 6.8 μg/m3 (29) 51.0
 
April 15, 2021, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 57.0 ppb (58) 0.0 ppb (0) 30.1 μg/m3 (28) 6.3 μg/m3 (27) 58.0
 
April 15, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 59.0 ppb (65) 0.0 ppb (0) 29.2 μg/m3 (28) 7.5 μg/m3 (32) 65.0
 
April 15, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 60.0 ppb (68) 0.0 ppb (0) 30.2 μg/m3 (28) 7.3 μg/m3 (31) 68.0
 
April 15, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 61.0 ppb (71) 0.0 ppb (0) 36.4 μg/m3 (34) 8.6 μg/m3 (36) 71.0
 
April 15, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 59.0 ppb (65) 0.0 ppb (0) 38.2 μg/m3 (36) 7.0 μg/m3 (30) 65.0
 
April 15, 2021, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 56.0 ppb (55) 0.0 ppb (0) 34.2 μg/m3 (32) 7.4 μg/m3 (31) 55.0
 
April 15, 2021, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 53.0 ppb (50) 0.0 ppb (0) 24.7 μg/m3 (23) 4.5 μg/m3 (19) 50.0
 
April 15, 2021, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 48.0 ppb (45) 0.0 ppb (0) 26.3 μg/m3 (25) 7.1 μg/m3 (30) 45.0
 
April 15, 2021, 3 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 43.0 ppb (40) 0.1 ppb (2) 28.3 μg/m3 (27) 7.5 μg/m3 (32) 40.0
 
April 15, 2021, 2 p.m. N/A N/A N/A 14.0 ppb (14) N/A N/A 36.0 ppb (34) 0.1 ppb (2) 28.4 μg/m3 (27) 7.3 μg/m3 (31) 34.0
 
April 15, 2021, 1 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A 30.0 ppb (28) 0.1 ppb (2) 22.5 μg/m3 (21) 6.3 μg/m3 (27) 28.0
 
April 15, 2021, noon N/A N/A N/A 14.0 ppb (14) N/A N/A 32.0 ppb (30) 0.1 ppb (2) 16.8 μg/m3 (16) 4.7 μg/m3 (20) 30.0
 
April 15, 2021, 11 a.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 33.0 ppb (31) 0.1 ppb (2) 13.6 μg/m3 (13) 4.9 μg/m3 (21) 31.0