ID: 97

AQSQID: 040130019

Site Name: West Phoenix

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

Updated: Dec. 9, 2021, 8:06 a.m.

Location: Phoenix (Maryvale), AZ

Reporting: True, Located: True

Current AQI: 68.0

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
Dec. 9, 2021, 6 a.m. N/A N/A N/A 31.0 ppb (30) N/A N/A 0.0 ppb (0) 1.6 ppb (19) 64.0 μg/m3 (56) 19.9 μg/m3 (68) 68.0
 
Dec. 9, 2021, 5 a.m. N/A N/A N/A 31.0 ppb (30) N/A N/A 0.0 ppb (0) 1.7 ppb (20) 71.0 μg/m3 (59) 24.6 μg/m3 (78) 78.0
 
Dec. 9, 2021, 4 a.m. N/A N/A N/A 32.0 ppb (31) N/A N/A 1.0 ppb (1) 1.7 ppb (20) 73.0 μg/m3 (60) 22.4 μg/m3 (73) 73.0
 
Dec. 9, 2021, 3 a.m. N/A N/A N/A 35.0 ppb (34) N/A N/A 0.0 ppb (0) 1.3 ppb (15) 77.0 μg/m3 (62) 19.0 μg/m3 (66) 66.0
 
Dec. 9, 2021, 2 a.m. N/A N/A N/A 39.0 ppb (37) N/A N/A 0.0 ppb (0) 1.1 ppb (13) 99.0 μg/m3 (73) 16.5 μg/m3 (61) 73.0
 
Dec. 9, 2021, 1 a.m. N/A N/A N/A 37.0 ppb (35) N/A N/A 2.0 ppb (2) 0.7 ppb (8) 70.0 μg/m3 (59) 11.8 μg/m3 (50) 59.0
 
Dec. 9, 2021, midnight N/A N/A N/A 26.0 ppb (25) N/A N/A 16.0 ppb (15) 0.4 ppb (5) 28.0 μg/m3 (26) 4.7 μg/m3 (20) 26.0
 
Dec. 8, 2021, 11 p.m. N/A N/A N/A 11.0 ppb (11) N/A N/A 35.0 ppb (33) 0.1 ppb (2) 22.0 μg/m3 (21) 4.0 μg/m3 (17) 33.0
 
Dec. 8, 2021, 10 p.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 38.0 ppb (36) 0.1 ppb (2) 27.0 μg/m3 (25) 5.2 μg/m3 (22) 36.0
 
Dec. 8, 2021, 9 p.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 37.0 ppb (35) 0.1 ppb (2) 35.0 μg/m3 (33) 7.4 μg/m3 (31) 35.0
 
Dec. 8, 2021, 8 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 29.0 ppb (27) 0.2 ppb (3) 58.0 μg/m3 (53) 12.1 μg/m3 (51) 53.0
 
Dec. 8, 2021, 7 p.m. N/A N/A N/A 29.0 ppb (28) N/A N/A 17.0 ppb (16) 0.3 ppb (4) 81.0 μg/m3 (64) 17.6 μg/m3 (63) 64.0
 
Dec. 8, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) 0.5 ppb (6) N/A N/A 9.0
 
Dec. 8, 2021, 5 p.m. N/A N/A N/A 34.0 ppb (33) N/A N/A 4.0 ppb (4) 0.6 ppb (7) N/A N/A 33.0
 
Dec. 8, 2021, 4 p.m. N/A N/A N/A 28.0 ppb (27) N/A N/A N/A N/A 42.0 μg/m3 (39) 1.7 μg/m3 (8) 39.0
 
Dec. 8, 2021, 3 p.m. N/A N/A N/A 26.0 ppb (25) N/A N/A N/A N/A 47.0 μg/m3 (44) 6.7 μg/m3 (28) 44.0
 
Dec. 8, 2021, 2 p.m. N/A N/A N/A 27.0 ppb (26) N/A N/A 3.0 ppb (3) 0.3 ppb (4) 33.0 μg/m3 (31) 6.8 μg/m3 (29) 31.0
 
Dec. 8, 2021, 1 p.m. N/A N/A N/A 22.0 ppb (21) N/A N/A 8.0 ppb (8) 0.2 ppb (3) 29.0 μg/m3 (27) 5.6 μg/m3 (24) 27.0
 
Dec. 8, 2021, noon N/A N/A N/A 19.0 ppb (18) N/A N/A 11.0 ppb (11) 0.2 ppb (3) 30.0 μg/m3 (28) 5.9 μg/m3 (25) 28.0
 
Dec. 8, 2021, 11 a.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 13.0 ppb (13) 0.2 ppb (3) 31.0 μg/m3 (29) 8.1 μg/m3 (34) 34.0
 
Dec. 8, 2021, 10 a.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 12.0 ppb (12) 0.2 ppb (3) 30.0 μg/m3 (28) 9.2 μg/m3 (39) 39.0
 
Dec. 8, 2021, 9 a.m. N/A N/A N/A 14.0 ppb (14) N/A N/A 14.0 ppb (13) 0.2 ppb (3) 35.0 μg/m3 (33) 11.5 μg/m3 (48) 48.0
 
Dec. 8, 2021, 8 a.m. N/A N/A N/A 29.0 ppb (28) N/A N/A 2.0 ppb (2) 0.7 ppb (8) 62.0 μg/m3 (55) 23.3 μg/m3 (75) 75.0
 
Dec. 8, 2021, 7 a.m. N/A N/A N/A 27.0 ppb (26) N/A N/A 1.0 ppb (1) 1.2 ppb (14) 61.0 μg/m3 (54) 17.3 μg/m3 (62) 62.0
 
Dec. 8, 2021, 6 a.m. N/A N/A N/A 30.0 ppb (29) N/A N/A 1.0 ppb (1) 1.1 ppb (13) 66.0 μg/m3 (57) 19.6 μg/m3 (67) 67.0
 
Dec. 8, 2021, 5 a.m. N/A N/A N/A 30.0 ppb (29) N/A N/A 1.0 ppb (1) 1.2 ppb (14) 76.0 μg/m3 (62) 21.3 μg/m3 (71) 71.0
 
Dec. 8, 2021, 4 a.m. N/A N/A N/A 30.0 ppb (29) N/A N/A 0.0 ppb (0) 1.2 ppb (14) 78.0 μg/m3 (63) 18.3 μg/m3 (65) 65.0
 
Dec. 8, 2021, 3 a.m. N/A N/A N/A 33.0 ppb (32) N/A N/A 0.0 ppb (0) 1.0 ppb (12) 75.0 μg/m3 (61) 16.3 μg/m3 (60) 61.0
 
Dec. 8, 2021, 2 a.m. N/A N/A N/A 37.0 ppb (35) N/A N/A 0.0 ppb (0) 0.9 ppb (11) 66.0 μg/m3 (57) 11.7 μg/m3 (49) 57.0
 
Dec. 8, 2021, 1 a.m. N/A N/A N/A 37.0 ppb (35) N/A N/A 4.0 ppb (4) 0.6 ppb (7) 48.0 μg/m3 (45) 9.1 μg/m3 (38) 45.0
 
Dec. 8, 2021, midnight N/A N/A N/A 28.0 ppb (27) N/A N/A 16.0 ppb (15) 0.4 ppb (5) 35.0 μg/m3 (33) 6.8 μg/m3 (29) 33.0
 
Dec. 7, 2021, 11 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 31.0 ppb (29) 0.2 ppb (3) 25.0 μg/m3 (24) 6.6 μg/m3 (28) 29.0
 
Dec. 7, 2021, 9 p.m. N/A N/A N/A 16.0 ppb (16) N/A N/A 35.0 ppb (33) 0.2 ppb (3) 23.0 μg/m3 (22) 7.0 μg/m3 (30) 33.0
 
Dec. 7, 2021, 8 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 36.0 ppb (34) 0.2 ppb (3) 22.0 μg/m3 (21) 4.9 μg/m3 (21) 34.0
 
Dec. 7, 2021, 7 p.m. N/A N/A N/A 16.0 ppb (16) N/A N/A 32.0 ppb (30) 0.2 ppb (3) 30.0 μg/m3 (28) 7.1 μg/m3 (30) 30.0
 
Dec. 7, 2021, 6 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 25.0 ppb (24) 0.3 ppb (4) 34.0 μg/m3 (32) 7.0 μg/m3 (30) 32.0
 
Dec. 7, 2021, 5 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A 21.0 ppb (20) 0.3 ppb (4) 55.0 μg/m3 (51) 10.9 μg/m3 (46) 51.0
 
Dec. 7, 2021, 4 p.m. N/A N/A N/A 30.0 ppb (29) N/A N/A 6.0 ppb (6) 0.9 ppb (11) 127.0 μg/m3 (87) 20.5 μg/m3 (69) 87.0
 
Dec. 7, 2021, 3 p.m. N/A N/A N/A 30.0 ppb (29) N/A N/A 1.0 ppb (1) 1.4 ppb (16) 105.0 μg/m3 (76) 18.1 μg/m3 (64) 76.0
 
Dec. 7, 2021, 2 p.m. N/A N/A N/A 29.0 ppb (28) N/A N/A 2.0 ppb (2) 0.8 ppb (10) 46.0 μg/m3 (43) 11.4 μg/m3 (48) 48.0
 
Dec. 7, 2021, 1 p.m. N/A N/A N/A 29.0 ppb (28) N/A N/A 2.0 ppb (2) 0.6 ppb (7) 39.0 μg/m3 (37) 11.3 μg/m3 (48) 48.0
 
Dec. 7, 2021, noon N/A N/A N/A 26.0 ppb (25) N/A N/A 2.0 ppb (2) 0.5 ppb (6) 32.0 μg/m3 (30) 10.3 μg/m3 (43) 43.0
 
Dec. 7, 2021, 11 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 10.0 ppb (10) 0.4 ppb (5) 31.0 μg/m3 (29) 8.7 μg/m3 (37) 37.0
 
Dec. 7, 2021, 10 a.m. N/A N/A N/A 22.0 ppb (21) N/A N/A 8.0 ppb (8) 0.4 ppb (5) 42.0 μg/m3 (39) 13.1 μg/m3 (54) 54.0
 
Dec. 7, 2021, 9 a.m. N/A N/A N/A 28.0 ppb (27) N/A N/A 0.0 ppb (0) 0.6 ppb (7) 42.0 μg/m3 (39) 17.0 μg/m3 (62) 62.0
 
Dec. 7, 2021, 8 a.m. N/A N/A N/A 29.0 ppb (28) N/A N/A 1.0 ppb (1) 0.8 ppb (10) 47.0 μg/m3 (44) 22.1 μg/m3 (73) 73.0
 
Dec. 7, 2021, 7 a.m. N/A N/A N/A 34.0 ppb (33) N/A N/A 1.0 ppb (1) 1.1 ppb (13) 60.0 μg/m3 (54) 28.0 μg/m3 (85) 85.0
 
Dec. 7, 2021, 6 a.m. N/A N/A N/A 37.0 ppb (35) N/A N/A 0.0 ppb (0) 1.4 ppb (16) 76.0 μg/m3 (62) 31.3 μg/m3 (92) 92.0
 
Dec. 7, 2021, 5 a.m. N/A N/A N/A 38.0 ppb (36) N/A N/A 1.0 ppb (1) 2.2 ppb (25) 89.0 μg/m3 (68) 36.5 μg/m3 (104) 104.0
 
Dec. 7, 2021, 4 a.m. N/A N/A N/A 43.0 ppb (41) N/A N/A 1.0 ppb (1) 2.1 ppb (24) 126.0 μg/m3 (87) 34.4 μg/m3 (98) 98.0
 
Dec. 7, 2021, 3 a.m. N/A N/A N/A 43.0 ppb (41) N/A N/A 1.0 ppb (1) 1.9 ppb (22) 133.0 μg/m3 (90) 31.1 μg/m3 (91) 91.0
 
Dec. 7, 2021, 2 a.m. N/A N/A N/A 41.0 ppb (39) N/A N/A 1.0 ppb (1) 1.9 ppb (22) 133.0 μg/m3 (90) 26.3 μg/m3 (81) 90.0
 
Dec. 7, 2021, 1 a.m. N/A N/A N/A 45.0 ppb (43) N/A N/A 1.0 ppb (1) 1.6 ppb (19) 104.0 μg/m3 (76) 18.1 μg/m3 (64) 76.0
 
Dec. 7, 2021, midnight N/A N/A N/A 44.0 ppb (42) N/A N/A 7.0 ppb (7) 0.7 ppb (8) 55.0 μg/m3 (51) 11.7 μg/m3 (49) 51.0
 
Dec. 6, 2021, 11 p.m. N/A N/A N/A 28.0 ppb (27) N/A N/A 31.0 ppb (29) 0.3 ppb (4) 34.0 μg/m3 (32) 10.7 μg/m3 (45) 45.0
 
Dec. 6, 2021, 10 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 39.0 ppb (37) 0.2 ppb (3) 33.0 μg/m3 (31) 11.9 μg/m3 (50) 50.0
 
Dec. 6, 2021, 9 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 40.0 ppb (38) 0.2 ppb (3) 28.0 μg/m3 (26) 6.2 μg/m3 (26) 38.0
 
Dec. 6, 2021, 8 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 38.0 ppb (36) 0.2 ppb (3) 29.0 μg/m3 (27) 7.8 μg/m3 (33) 36.0
 
Dec. 6, 2021, 7 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 35.0 ppb (33) 0.2 ppb (3) 40.0 μg/m3 (38) 14.2 μg/m3 (56) 56.0
 
Dec. 6, 2021, 6 p.m. N/A N/A N/A 23.0 ppb (22) N/A N/A 27.0 ppb (25) 0.3 ppb (4) 44.0 μg/m3 (41) 14.7 μg/m3 (57) 57.0
 
Dec. 6, 2021, 5 p.m. N/A N/A N/A 21.0 ppb (20) N/A N/A 21.0 ppb (20) 0.3 ppb (4) 42.0 μg/m3 (39) 12.5 μg/m3 (52) 52.0
 
Dec. 6, 2021, 4 p.m. N/A N/A N/A 21.0 ppb (20) N/A N/A 15.0 ppb (14) 0.4 ppb (5) 57.0 μg/m3 (52) 11.7 μg/m3 (49) 52.0
 
Dec. 6, 2021, 3 p.m. N/A N/A N/A 29.0 ppb (28) N/A N/A 4.0 ppb (4) 0.7 ppb (8) 89.0 μg/m3 (68) 15.2 μg/m3 (58) 68.0
 
Dec. 6, 2021, 2 p.m. N/A N/A N/A 29.0 ppb (28) N/A N/A 1.0 ppb (1) 1.2 ppb (14) 76.0 μg/m3 (62) 20.7 μg/m3 (70) 70.0
 
Dec. 6, 2021, 1 p.m. N/A N/A N/A 27.0 ppb (26) N/A N/A 0.0 ppb (0) 1.1 ppb (13) 53.0 μg/m3 (50) 16.8 μg/m3 (61) 61.0
 
Dec. 6, 2021, noon N/A N/A N/A 27.0 ppb (26) N/A N/A 0.0 ppb (0) 0.8 ppb (10) 43.0 μg/m3 (40) 13.8 μg/m3 (55) 55.0
 
Dec. 6, 2021, 11 a.m. N/A N/A N/A 25.0 ppb (24) N/A N/A 0.0 ppb (0) 0.7 ppb (8) 37.0 μg/m3 (35) 14.7 μg/m3 (57) 57.0
 
Dec. 6, 2021, 10 a.m. N/A N/A N/A 27.0 ppb (26) N/A N/A 3.0 ppb (3) 0.5 ppb (6) 52.0 μg/m3 (49) 22.1 μg/m3 (73) 73.0
 
Dec. 6, 2021, 9 a.m. N/A N/A N/A 24.0 ppb (23) N/A N/A 6.0 ppb (6) 0.5 ppb (6) 46.0 μg/m3 (43) 21.5 μg/m3 (71) 71.0
 
Dec. 6, 2021, 8 a.m. N/A N/A N/A 30.0 ppb (29) N/A N/A 0.0 ppb (0) 0.9 ppb (11) 44.0 μg/m3 (41) 19.7 μg/m3 (67) 67.0
 
Dec. 6, 2021, 7 a.m. N/A N/A N/A 30.0 ppb (29) N/A N/A 0.0 ppb (0) 1.4 ppb (16) 55.0 μg/m3 (51) 28.7 μg/m3 (86) 86.0
 
Dec. 6, 2021, 6 a.m. N/A N/A N/A 32.0 ppb (31) N/A N/A 1.0 ppb (1) 1.6 ppb (19) 69.0 μg/m3 (58) 34.3 μg/m3 (98) 98.0
 
Dec. 6, 2021, 5 a.m. N/A N/A N/A 31.0 ppb (30) N/A N/A 1.0 ppb (1) 2.0 ppb (23) 72.0 μg/m3 (60) 30.2 μg/m3 (90) 90.0
 
Dec. 6, 2021, 4 a.m. N/A N/A N/A 33.0 ppb (32) N/A N/A 1.0 ppb (1) 1.7 ppb (20) 87.0 μg/m3 (67) 30.6 μg/m3 (90) 90.0
 
Dec. 6, 2021, 3 a.m. N/A N/A N/A 34.0 ppb (33) N/A N/A 1.0 ppb (1) 1.7 ppb (20) 81.0 μg/m3 (64) 26.1 μg/m3 (81) 81.0
 
Dec. 6, 2021, 2 a.m. N/A N/A N/A 36.0 ppb (34) N/A N/A 1.0 ppb (1) 1.4 ppb (16) 64.0 μg/m3 (56) 23.1 μg/m3 (75) 75.0
 
Dec. 6, 2021, 1 a.m. N/A N/A N/A 34.0 ppb (33) N/A N/A 6.0 ppb (6) 0.8 ppb (10) 68.0 μg/m3 (58) 22.9 μg/m3 (74) 74.0
 
Dec. 6, 2021, midnight N/A N/A N/A 20.0 ppb (19) N/A N/A 25.0 ppb (24) 0.3 ppb (4) 40.0 μg/m3 (38) 11.3 μg/m3 (48) 48.0
 
Dec. 5, 2021, 11 p.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 42.0 ppb (39) 0.2 ppb (3) 27.0 μg/m3 (25) 9.4 μg/m3 (40) 40.0
 
Dec. 5, 2021, 10 p.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 45.0 ppb (42) 0.2 ppb (3) 30.0 μg/m3 (28) 13.7 μg/m3 (55) 55.0
 
Dec. 5, 2021, 9 p.m. N/A N/A N/A 11.0 ppb (11) N/A N/A 47.0 ppb (44) 0.2 ppb (3) 39.0 μg/m3 (37) 20.9 μg/m3 (70) 70.0
 
Dec. 5, 2021, 8 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 50.0 ppb (47) 0.3 ppb (4) 47.0 μg/m3 (44) 26.7 μg/m3 (82) 82.0
 
Dec. 5, 2021, 7 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 50.0 ppb (47) 0.3 ppb (4) 43.0 μg/m3 (40) 23.6 μg/m3 (76) 76.0
 
Dec. 5, 2021, 6 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A 40.0 ppb (38) 0.4 ppb (5) 46.0 μg/m3 (43) 22.2 μg/m3 (73) 73.0
 
Dec. 5, 2021, 5 p.m. N/A N/A N/A 29.0 ppb (28) N/A N/A 20.0 ppb (19) 0.6 ppb (7) 51.0 μg/m3 (48) 25.9 μg/m3 (81) 81.0
 
Dec. 5, 2021, 4 p.m. N/A N/A N/A 26.0 ppb (25) N/A N/A 9.0 ppb (9) 0.7 ppb (8) 70.0 μg/m3 (59) 27.9 μg/m3 (85) 85.0
 
Dec. 5, 2021, 3 p.m. N/A N/A N/A 25.0 ppb (24) N/A N/A 2.0 ppb (2) 1.3 ppb (15) 121.0 μg/m3 (84) 44.8 μg/m3 (124) 124.0
 
Dec. 5, 2021, 2 p.m. N/A N/A N/A 25.0 ppb (24) N/A N/A 0.0 ppb (0) 2.2 ppb (25) 105.0 μg/m3 (76) 56.6 μg/m3 (152) 152.0
 
Dec. 5, 2021, 1 p.m. N/A N/A N/A 24.0 ppb (23) N/A N/A 1.0 ppb (1) 2.5 ppb (29) 104.0 μg/m3 (76) 67.5 μg/m3 (158) 158.0
 
Dec. 5, 2021, noon N/A N/A N/A 24.0 ppb (23) N/A N/A 1.0 ppb (1) 2.4 ppb (28) 100.0 μg/m3 (74) 72.6 μg/m3 (160) 160.0
 
Dec. 5, 2021, 11 a.m. N/A N/A N/A 25.0 ppb (24) N/A N/A 3.0 ppb (3) 2.5 ppb (29) 91.0 μg/m3 (69) 63.4 μg/m3 (156) 156.0
 
Dec. 5, 2021, 10 a.m. N/A N/A N/A 28.0 ppb (27) N/A N/A 1.0 ppb (1) 2.1 ppb (24) 90.0 μg/m3 (69) 58.9 μg/m3 (153) 153.0
 
Dec. 5, 2021, 9 a.m. N/A N/A N/A 29.0 ppb (28) N/A N/A 1.0 ppb (1) 2.4 ppb (28) 115.0 μg/m3 (81) 74.3 μg/m3 (161) 161.0
 
Dec. 5, 2021, 8 a.m. N/A N/A N/A 31.0 ppb (30) N/A N/A 2.0 ppb (2) 2.7 ppb (31) 118.0 μg/m3 (83) 71.7 μg/m3 (160) 160.0
 
Dec. 5, 2021, 7 a.m. N/A N/A N/A 34.0 ppb (33) N/A N/A 2.0 ppb (2) 3.0 ppb (35) 134.0 μg/m3 (91) 74.6 μg/m3 (161) 161.0
 
Dec. 5, 2021, 6 a.m. N/A N/A N/A 34.0 ppb (33) N/A N/A 3.0 ppb (3) 3.1 ppb (36) 138.0 μg/m3 (93) 72.7 μg/m3 (160) 160.0
 
Dec. 5, 2021, 5 a.m. N/A N/A N/A 37.0 ppb (35) N/A N/A 3.0 ppb (3) 2.8 ppb (32) 142.0 μg/m3 (95) 64.2 μg/m3 (156) 156.0
 
Dec. 5, 2021, 4 a.m. N/A N/A N/A 41.0 ppb (39) N/A N/A 2.0 ppb (2) 2.5 ppb (29) 99.0 μg/m3 (73) 35.5 μg/m3 (101) 101.0
 
Dec. 5, 2021, 3 a.m. N/A N/A N/A 40.0 ppb (38) N/A N/A 1.0 ppb (1) 1.7 ppb (20) 96.0 μg/m3 (72) 28.0 μg/m3 (85) 85.0
 
Dec. 5, 2021, 2 a.m. N/A N/A N/A 41.0 ppb (39) N/A N/A 1.0 ppb (1) 1.8 ppb (21) 104.0 μg/m3 (76) 25.1 μg/m3 (79) 79.0
 
Dec. 5, 2021, 1 a.m. N/A N/A N/A 43.0 ppb (41) N/A N/A 1.0 ppb (1) 1.2 ppb (14) 97.0 μg/m3 (72) 21.7 μg/m3 (72) 72.0
 
Dec. 5, 2021, midnight N/A N/A N/A 30.0 ppb (29) N/A N/A 23.0 ppb (22) 0.6 ppb (7) 49.0 μg/m3 (46) 13.8 μg/m3 (55) 55.0
 
Dec. 4, 2021, 11 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A 46.0 ppb (43) 0.3 ppb (4) 42.0 μg/m3 (39) 16.6 μg/m3 (61) 61.0
 
Dec. 4, 2021, 10 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 51.0 ppb (48) 0.3 ppb (4) 45.0 μg/m3 (42) 20.2 μg/m3 (69) 69.0
 
Dec. 4, 2021, 9 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 45.0 ppb (42) 0.3 ppb (4) 37.0 μg/m3 (35) 16.3 μg/m3 (60) 60.0
 
Dec. 4, 2021, 8 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A 41.0 ppb (38) 0.3 ppb (4) 35.0 μg/m3 (33) 14.4 μg/m3 (56) 56.0
 
Dec. 4, 2021, 7 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 35.0 ppb (33) 0.3 ppb (4) 41.0 μg/m3 (38) 13.1 μg/m3 (54) 54.0
 
Dec. 4, 2021, 6 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 30.0 ppb (28) 0.3 ppb (4) 40.0 μg/m3 (38) 13.2 μg/m3 (54) 54.0
 
Dec. 4, 2021, 5 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A 23.0 ppb (22) 0.3 ppb (4) 28.0 μg/m3 (26) 11.5 μg/m3 (48) 48.0
 
Dec. 4, 2021, 4 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A 18.0 ppb (17) 0.3 ppb (4) 37.0 μg/m3 (35) 10.9 μg/m3 (46) 46.0
 
Dec. 4, 2021, 3 p.m. N/A N/A N/A 22.0 ppb (21) N/A N/A 7.0 ppb (7) 0.6 ppb (7) 91.0 μg/m3 (69) 18.2 μg/m3 (64) 69.0
 
Dec. 4, 2021, 2 p.m. N/A N/A N/A 25.0 ppb (24) N/A N/A 1.0 ppb (1) 1.0 ppb (12) 101.0 μg/m3 (74) 23.8 μg/m3 (76) 76.0
 
Dec. 4, 2021, 1 p.m. N/A N/A N/A 25.0 ppb (24) N/A N/A 0.0 ppb (0) 1.2 ppb (14) 66.0 μg/m3 (57) 23.3 μg/m3 (75) 75.0
 
Dec. 4, 2021, noon N/A N/A N/A 25.0 ppb (24) N/A N/A 0.0 ppb (0) 1.0 ppb (12) 64.0 μg/m3 (56) 22.7 μg/m3 (74) 74.0
 
Dec. 4, 2021, 11 a.m. N/A N/A N/A 25.0 ppb (24) N/A N/A 0.0 ppb (0) 1.2 ppb (14) 53.0 μg/m3 (50) 24.8 μg/m3 (78) 78.0
 
Dec. 4, 2021, 10 a.m. N/A N/A N/A 29.0 ppb (28) N/A N/A 0.0 ppb (0) 1.1 ppb (13) 52.0 μg/m3 (49) 23.2 μg/m3 (75) 75.0
 
Dec. 4, 2021, 9 a.m. N/A N/A N/A 30.0 ppb (29) N/A N/A 0.0 ppb (0) 1.1 ppb (13) 65.0 μg/m3 (56) 25.0 μg/m3 (79) 79.0
 
Dec. 4, 2021, 8 a.m. N/A N/A N/A 31.0 ppb (30) N/A N/A 1.0 ppb (1) 1.3 ppb (15) 82.0 μg/m3 (65) 26.9 μg/m3 (83) 83.0
 
Dec. 4, 2021, 7 a.m. N/A N/A N/A 33.0 ppb (32) N/A N/A 1.0 ppb (1) 1.3 ppb (15) 73.0 μg/m3 (60) 25.1 μg/m3 (79) 79.0
 
Dec. 4, 2021, 6 a.m. N/A N/A N/A 35.0 ppb (34) N/A N/A 0.0 ppb (0) 1.2 ppb (14) 68.0 μg/m3 (58) 26.5 μg/m3 (82) 82.0
 
Dec. 4, 2021, 5 a.m. N/A N/A N/A 41.0 ppb (39) N/A N/A 0.0 ppb (0) 1.2 ppb (14) 95.0 μg/m3 (71) 31.0 μg/m3 (91) 91.0
 
Dec. 4, 2021, 4 a.m. N/A N/A N/A 42.0 ppb (40) N/A N/A 1.0 ppb (1) 1.6 ppb (19) 110.0 μg/m3 (79) 33.4 μg/m3 (96) 96.0
 
Dec. 4, 2021, 3 a.m. N/A N/A N/A 44.0 ppb (42) N/A N/A 1.0 ppb (1) 1.4 ppb (16) 129.0 μg/m3 (88) 35.2 μg/m3 (100) 100.0
 
Dec. 4, 2021, 2 a.m. N/A N/A N/A 48.0 ppb (46) N/A N/A 1.0 ppb (1) 1.6 ppb (19) 112.0 μg/m3 (80) 26.4 μg/m3 (82) 82.0
 
Dec. 4, 2021, 1 a.m. N/A N/A N/A 51.0 ppb (49) N/A N/A 1.0 ppb (1) 1.3 ppb (15) 102.0 μg/m3 (75) 21.9 μg/m3 (72) 75.0
 
Dec. 4, 2021, midnight N/A N/A N/A 43.0 ppb (41) N/A N/A 15.0 ppb (14) 0.6 ppb (7) 68.0 μg/m3 (58) 13.1 μg/m3 (54) 58.0
 
Dec. 3, 2021, 11 p.m. N/A N/A N/A 22.0 ppb (21) N/A N/A 39.0 ppb (37) 0.4 ppb (5) 38.0 μg/m3 (36) 14.5 μg/m3 (57) 57.0
 
Dec. 3, 2021, 10 p.m. N/A N/A N/A 21.0 ppb (20) N/A N/A 39.0 ppb (37) 0.3 ppb (4) 35.0 μg/m3 (33) 10.7 μg/m3 (45) 45.0
 
Dec. 3, 2021, 9 p.m. N/A N/A N/A 21.0 ppb (20) N/A N/A 38.0 ppb (36) 0.3 ppb (4) 37.0 μg/m3 (35) 12.8 μg/m3 (53) 53.0
 
Dec. 3, 2021, 8 p.m. N/A N/A N/A 22.0 ppb (21) N/A N/A 32.0 ppb (30) 0.3 ppb (4) 42.0 μg/m3 (39) 15.2 μg/m3 (58) 58.0
 
Dec. 3, 2021, 7 p.m. N/A N/A N/A 21.0 ppb (20) N/A N/A 28.0 ppb (26) 0.3 ppb (4) 41.0 μg/m3 (38) 13.3 μg/m3 (54) 54.0
 
Dec. 3, 2021, 6 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 26.0 ppb (25) N/A 41.0 μg/m3 (38) 12.1 μg/m3 (51) 51.0
 
Dec. 3, 2021, 5 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 21.0 ppb (20) N/A 44.0 μg/m3 (41) 11.6 μg/m3 (49) 49.0
 
Dec. 3, 2021, 4 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 12.0 ppb (12) 0.5 ppb (6) 40.0 μg/m3 (38) 10.7 μg/m3 (45) 45.0
 
Dec. 3, 2021, 3 p.m. N/A N/A N/A 24.0 ppb (23) N/A N/A 4.0 ppb (4) 0.6 ppb (7) 61.0 μg/m3 (54) 16.5 μg/m3 (61) 61.0
 
Dec. 3, 2021, 2 p.m. N/A N/A N/A 27.0 ppb (26) N/A N/A 1.0 ppb (1) 1.1 ppb (13) 80.0 μg/m3 (64) 22.1 μg/m3 (73) 73.0
 
Dec. 3, 2021, 1 p.m. N/A N/A N/A 27.0 ppb (26) N/A N/A 1.0 ppb (1) 1.7 ppb (20) 92.0 μg/m3 (70) 26.7 μg/m3 (82) 82.0
 
Dec. 3, 2021, noon N/A N/A N/A 29.0 ppb (28) N/A N/A 1.0 ppb (1) 1.5 ppb (18) 55.0 μg/m3 (51) 18.6 μg/m3 (65) 65.0
 
Dec. 3, 2021, 11 a.m. N/A N/A N/A 26.0 ppb (25) N/A N/A 0.0 ppb (0) 1.2 ppb (14) 49.0 μg/m3 (46) 17.1 μg/m3 (62) 62.0
 
Dec. 3, 2021, 10 a.m. N/A N/A N/A 25.0 ppb (24) N/A N/A 0.0 ppb (0) 1.2 ppb (14) 52.0 μg/m3 (49) 16.6 μg/m3 (61) 61.0
 
Dec. 3, 2021, 9 a.m. N/A N/A N/A 27.0 ppb (26) N/A N/A 0.0 ppb (0) 1.1 ppb (13) 59.0 μg/m3 (53) 19.7 μg/m3 (67) 67.0
 
Dec. 3, 2021, 8 a.m. N/A N/A N/A 31.0 ppb (30) N/A N/A 0.0 ppb (0) 1.1 ppb (13) 58.0 μg/m3 (53) 18.5 μg/m3 (65) 65.0
 
Dec. 3, 2021, 7 a.m. N/A N/A N/A 32.0 ppb (31) N/A N/A 0.0 ppb (0) 0.9 ppb (11) 55.0 μg/m3 (51) 16.2 μg/m3 (60) 60.0
 
Dec. 3, 2021, 6 a.m. N/A N/A N/A 34.0 ppb (33) N/A N/A 0.0 ppb (0) 0.9 ppb (11) 52.0 μg/m3 (49) 15.4 μg/m3 (58) 58.0
 
Dec. 3, 2021, 5 a.m. N/A N/A N/A 39.0 ppb (37) N/A N/A 0.0 ppb (0) 0.9 ppb (11) 76.0 μg/m3 (62) 17.9 μg/m3 (64) 64.0
 
Dec. 3, 2021, 4 a.m. N/A N/A N/A 40.0 ppb (38) N/A N/A 0.0 ppb (0) 1.4 ppb (16) 100.0 μg/m3 (74) 21.8 μg/m3 (72) 74.0
 
Dec. 3, 2021, 3 a.m. N/A N/A N/A 40.0 ppb (38) N/A N/A 0.0 ppb (0) 1.8 ppb (21) 115.0 μg/m3 (81) 28.0 μg/m3 (85) 85.0
 
Dec. 3, 2021, 2 a.m. N/A N/A N/A 40.0 ppb (38) N/A N/A 1.0 ppb (1) 2.1 ppb (24) 119.0 μg/m3 (83) 25.7 μg/m3 (80) 83.0
 
Dec. 3, 2021, 1 a.m. N/A N/A N/A 42.0 ppb (40) N/A N/A 1.0 ppb (1) 1.9 ppb (22) 150.0 μg/m3 (99) 19.2 μg/m3 (66) 99.0
 
Dec. 3, 2021, midnight N/A N/A N/A 41.0 ppb (39) N/A N/A 7.0 ppb (7) 0.8 ppb (10) 50.0 μg/m3 (47) 9.1 μg/m3 (38) 47.0
 
Dec. 2, 2021, 11 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 34.0 ppb (32) 0.3 ppb (4) 25.0 μg/m3 (24) 7.9 μg/m3 (33) 33.0
 
Dec. 2, 2021, 10 p.m. N/A N/A N/A 14.0 ppb (14) N/A N/A 38.0 ppb (36) 0.3 ppb (4) 25.0 μg/m3 (24) 7.9 μg/m3 (33) 36.0
 
Dec. 2, 2021, 10 p.m. N/A N/A N/A 14.0 ppb (14) N/A N/A 38.0 ppb (36) 0.3 ppb (4) 25.0 μg/m3 (24) 7.9 μg/m3 (33) 36.0
 
Dec. 2, 2021, 9 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 37.0 ppb (35) 0.3 ppb (4) 27.0 μg/m3 (25) 8.0 μg/m3 (34) 35.0
 
Dec. 2, 2021, 8 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 36.0 ppb (34) 0.3 ppb (4) 31.0 μg/m3 (29) 10.6 μg/m3 (45) 45.0
 
Dec. 2, 2021, 7 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 30.0 ppb (28) 0.4 ppb (5) 36.0 μg/m3 (34) 11.6 μg/m3 (49) 49.0
 
Dec. 2, 2021, 6 p.m. N/A N/A N/A 25.0 ppb (24) N/A N/A 25.0 ppb (24) 0.5 ppb (6) 41.0 μg/m3 (38) 15.8 μg/m3 (59) 59.0
 
Dec. 2, 2021, 5 p.m. N/A N/A N/A 33.0 ppb (32) N/A N/A 16.0 ppb (15) 0.7 ppb (8) 50.0 μg/m3 (47) 18.8 μg/m3 (66) 66.0
 
Dec. 2, 2021, 4 p.m. N/A N/A N/A 34.0 ppb (33) N/A N/A 7.0 ppb (7) 0.9 ppb (11) 106.0 μg/m3 (77) 29.8 μg/m3 (89) 89.0
 
Dec. 2, 2021, 1 p.m. N/A N/A N/A 27.0 ppb (26) N/A N/A 1.0 ppb (1) 2.1 ppb (24) 75.0 μg/m3 (61) 23.2 μg/m3 (75) 75.0
 
Dec. 2, 2021, noon N/A N/A N/A 26.0 ppb (25) N/A N/A 1.0 ppb (1) 1.6 ppb (19) 56.0 μg/m3 (52) 21.7 μg/m3 (72) 72.0
 
Dec. 2, 2021, 11 a.m. N/A N/A N/A 26.0 ppb (25) N/A N/A 2.0 ppb (2) 1.4 ppb (16) 61.0 μg/m3 (54) 22.8 μg/m3 (74) 74.0
 
Dec. 2, 2021, 10 a.m. N/A N/A N/A 27.0 ppb (26) N/A N/A 1.0 ppb (1) 1.2 ppb (14) 48.0 μg/m3 (45) 17.0 μg/m3 (62) 62.0
 
Dec. 2, 2021, 9 a.m. N/A N/A N/A 29.0 ppb (28) N/A N/A 1.0 ppb (1) 1.1 ppb (13) 47.0 μg/m3 (44) 15.9 μg/m3 (59) 59.0
 
Dec. 2, 2021, 8 a.m. N/A N/A N/A 31.0 ppb (30) N/A N/A 0.0 ppb (0) 0.9 ppb (11) 44.0 μg/m3 (41) 15.2 μg/m3 (58) 58.0
 
Dec. 2, 2021, 7 a.m. N/A N/A N/A 34.0 ppb (33) N/A N/A 0.0 ppb (0) 0.8 ppb (10) 63.0 μg/m3 (55) 19.4 μg/m3 (67) 67.0
 
Dec. 2, 2021, 6 a.m. N/A N/A N/A 35.0 ppb (34) N/A N/A 0.0 ppb (0) 1.5 ppb (18) 97.0 μg/m3 (72) 24.5 μg/m3 (78) 78.0
 
Dec. 2, 2021, 5 a.m. N/A N/A N/A 36.0 ppb (34) N/A N/A 1.0 ppb (1) 1.7 ppb (20) 95.0 μg/m3 (71) 21.0 μg/m3 (70) 71.0