ID: 97

AQSQID: 040130019

Site Name: West Phoenix

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

Updated: Jan. 22, 2021, 12:32 a.m.

Location: Phoenix (Maryvale), AZ

Reporting: True, Located: True

Current AQI: 33.0

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
Jan. 21, 2021, 11 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 35.0 ppb (33) 0.3 ppb (4) 8.3 μg/m3 (8) 2.7 μg/m3 (12) 33.0
 
Jan. 21, 2021, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 36.0 ppb (34) 0.3 ppb (4) 7.9 μg/m3 (8) 2.8 μg/m3 (12) 34.0
 
Jan. 21, 2021, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 35.0 ppb (33) 0.3 ppb (4) 9.0 μg/m3 (9) 4.3 μg/m3 (18) 33.0
 
Jan. 21, 2021, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) 0.3 ppb (4) 12.9 μg/m3 (12) 3.8 μg/m3 (16) 31.0
 
Jan. 21, 2021, 7 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 31.0 ppb (29) 0.3 ppb (4) 32.2 μg/m3 (30) 3.3 μg/m3 (14) 30.0
 
Jan. 21, 2021, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) 0.3 ppb (4) 11.7 μg/m3 (11) 4.0 μg/m3 (17) 29.0
 
Jan. 21, 2021, 5 p.m. N/A N/A N/A 11.0 ppb (11) N/A N/A 20.0 ppb (19) 0.4 ppb (5) 18.9 μg/m3 (18) 6.9 μg/m3 (29) 29.0
 
Jan. 21, 2021, 4 p.m. N/A N/A N/A 14.0 ppb (14) N/A N/A 13.0 ppb (13) 0.4 ppb (5) 19.8 μg/m3 (19) 4.3 μg/m3 (18) 19.0
 
Jan. 21, 2021, 3 p.m. N/A N/A N/A 23.0 ppb (22) N/A N/A 4.0 ppb (4) 0.5 ppb (6) 22.0 μg/m3 (21) 4.2 μg/m3 (18) 22.0
 
Jan. 21, 2021, 2 p.m. N/A N/A N/A 25.0 ppb (24) N/A N/A 2.0 ppb (2) 0.5 ppb (6) 12.8 μg/m3 (12) 2.9 μg/m3 (13) 24.0
 
Jan. 21, 2021, 1 p.m. N/A N/A N/A 22.0 ppb (21) N/A N/A 4.0 ppb (4) 0.5 ppb (6) 11.7 μg/m3 (11) 4.3 μg/m3 (18) 21.0
 
Jan. 21, 2021, noon N/A N/A N/A 11.0 ppb (11) N/A N/A 15.0 ppb (14) 0.3 ppb (4) 10.4 μg/m3 (10) 5.3 μg/m3 (23) 23.0
 
Jan. 21, 2021, 11 a.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 18.0 ppb (17) 0.3 ppb (4) 10.0 μg/m3 (10) 3.8 μg/m3 (16) 17.0
 
Jan. 21, 2021, 10 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 20.0 ppb (19) 0.3 ppb (4) 12.9 μg/m3 (12) 5.2 μg/m3 (22) 22.0
 
Jan. 21, 2021, 9 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 21.0 ppb (20) 0.3 ppb (4) 9.4 μg/m3 (9) 4.3 μg/m3 (18) 20.0
 
Jan. 21, 2021, 8 a.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 19.0 ppb (18) 0.3 ppb (4) 9.0 μg/m3 (9) 3.7 μg/m3 (16) 18.0
 
Jan. 21, 2021, 7 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 22.0 ppb (21) 0.3 ppb (4) 10.2 μg/m3 (10) 2.2 μg/m3 (10) 21.0
 
Jan. 21, 2021, 6 a.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 22.0 ppb (21) 0.3 ppb (4) 13.2 μg/m3 (13) 4.2 μg/m3 (18) 21.0
 
Jan. 21, 2021, 5 a.m. N/A N/A N/A 14.0 ppb (14) N/A N/A 16.0 ppb (15) 0.4 ppb (5) 15.0 μg/m3 (14) 5.7 μg/m3 (24) 24.0
 
Jan. 21, 2021, 4 a.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 16.0 ppb (15) 0.4 ppb (5) 16.0 μg/m3 (15) 6.7 μg/m3 (28) 28.0
 
Jan. 21, 2021, 3 a.m. N/A N/A N/A 22.0 ppb (21) N/A N/A 11.0 ppb (11) 0.5 ppb (6) 25.3 μg/m3 (24) 7.0 μg/m3 (30) 30.0
 
Jan. 21, 2021, 2 a.m. N/A N/A N/A 32.0 ppb (31) N/A N/A 3.0 ppb (3) 0.7 ppb (8) 32.0 μg/m3 (30) 6.2 μg/m3 (26) 31.0
 
Jan. 21, 2021, 1 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 18.0 ppb (17) 0.4 ppb (5) 18.8 μg/m3 (18) 1.2 μg/m3 (5) 18.0
 
Jan. 21, 2021, midnight N/A N/A N/A 5.0 ppb (5) N/A N/A 34.0 ppb (32) 0.3 ppb (4) 11.7 μg/m3 (11) 2.2 μg/m3 (10) 32.0
 
Jan. 20, 2021, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) 0.3 ppb (4) 12.3 μg/m3 (12) 2.4 μg/m3 (10) 37.0
 
Jan. 20, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 40.0 ppb (38) 0.3 ppb (4) 14.4 μg/m3 (14) 4.1 μg/m3 (18) 38.0
 
Jan. 20, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 40.0 ppb (38) 0.3 ppb (4) 16.2 μg/m3 (15) 3.0 μg/m3 (13) 38.0
 
Jan. 20, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) 0.3 ppb (4) 21.4 μg/m3 (20) 2.8 μg/m3 (12) 36.0
 
Jan. 20, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) 0.3 ppb (4) 24.2 μg/m3 (23) 3.3 μg/m3 (14) 35.0
 
Jan. 20, 2021, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) 0.3 ppb (4) 26.9 μg/m3 (25) 4.1 μg/m3 (18) 33.0
 
Jan. 20, 2021, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) 0.2 ppb (3) 31.5 μg/m3 (30) 5.5 μg/m3 (23) 31.0
 
Jan. 20, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.2 ppb (3) 35.3 μg/m3 (33) 7.6 μg/m3 (32) 33.0
 
Jan. 20, 2021, 3 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 27.0 ppb (25) N/A N/A N/A 25.0
 
Jan. 20, 2021, 2 p.m. N/A N/A N/A 14.0 ppb (14) N/A N/A N/A 0.3 ppb (4) N/A N/A 14.0
 
Jan. 20, 2021, 1 p.m. N/A N/A N/A 24.0 ppb (23) N/A N/A 7.0 ppb (7) 0.5 ppb (6) 62.3 μg/m3 (55) 8.8 μg/m3 (37) 55.0
 
Jan. 20, 2021, noon N/A N/A N/A 20.0 ppb (19) N/A N/A 8.0 ppb (8) 0.5 ppb (6) 51.7 μg/m3 (48) 6.5 μg/m3 (28) 48.0
 
Jan. 20, 2021, 11 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A 19.0 ppb (18) 0.3 ppb (4) 53.1 μg/m3 (50) 5.3 μg/m3 (23) 50.0
 
Jan. 20, 2021, 10 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 26.0 ppb (25) 0.3 ppb (4) 66.6 μg/m3 (57) 9.1 μg/m3 (38) 57.0
 
Jan. 20, 2021, 9 a.m. N/A N/A N/A 13.0 ppb (13) N/A N/A 19.0 ppb (18) 0.3 ppb (4) 73.0 μg/m3 (60) 8.5 μg/m3 (36) 60.0
 
Jan. 20, 2021, 8 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 28.0 ppb (26) 0.2 ppb (3) 71.9 μg/m3 (60) 10.0 μg/m3 (42) 60.0
 
Jan. 20, 2021, 7 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 28.0 ppb (26) 0.3 ppb (4) 67.0 μg/m3 (57) 8.9 μg/m3 (38) 57.0
 
Jan. 20, 2021, 6 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 29.0 ppb (27) 0.3 ppb (4) 78.3 μg/m3 (63) 8.4 μg/m3 (36) 63.0
 
Jan. 20, 2021, 5 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) 0.2 ppb (3) 80.0 μg/m3 (64) 10.0 μg/m3 (42) 64.0
 
Jan. 20, 2021, 4 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 29.0 ppb (27) 0.3 ppb (4) 86.1 μg/m3 (67) 11.1 μg/m3 (47) 67.0
 
Jan. 20, 2021, 3 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 31.0 ppb (29) 0.3 ppb (4) 90.8 μg/m3 (69) 11.8 μg/m3 (50) 69.0
 
Jan. 20, 2021, 2 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 30.0 ppb (28) 0.3 ppb (4) 71.5 μg/m3 (60) 9.6 μg/m3 (40) 60.0
 
Jan. 20, 2021, 1 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 28.0 ppb (26) 0.3 ppb (4) 56.0 μg/m3 (52) 5.1 μg/m3 (22) 52.0
 
Jan. 20, 2021, midnight N/A N/A N/A 7.0 ppb (7) N/A N/A 29.0 ppb (27) 0.3 ppb (4) 37.2 μg/m3 (35) 4.0 μg/m3 (17) 35.0
 
Jan. 19, 2021, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 32.0 ppb (30) 0.3 ppb (4) 11.0 μg/m3 (11) 2.7 μg/m3 (12) 30.0
 
Jan. 19, 2021, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) 0.3 ppb (4) 7.1 μg/m3 (7) 1.7 μg/m3 (8) 33.0
 
Jan. 19, 2021, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) 0.3 ppb (4) 5.4 μg/m3 (5) 1.0 μg/m3 (5) 32.0
 
Jan. 19, 2021, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 31.0 ppb (29) 0.3 ppb (4) 7.0 μg/m3 (7) 2.3 μg/m3 (10) 29.0
 
Jan. 19, 2021, 7 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 28.0 ppb (26) 0.3 ppb (4) 12.0 μg/m3 (12) 4.1 μg/m3 (18) 26.0
 
Jan. 19, 2021, 6 p.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 23.0 ppb (22) 0.3 ppb (4) 12.9 μg/m3 (12) 4.8 μg/m3 (20) 22.0
 
Jan. 19, 2021, 5 p.m. N/A N/A N/A 12.0 ppb (12) N/A N/A 21.0 ppb (20) 0.4 ppb (5) 12.4 μg/m3 (12) 4.5 μg/m3 (19) 20.0
 
Jan. 19, 2021, 4 p.m. N/A N/A N/A 11.0 ppb (11) N/A N/A 21.0 ppb (20) 0.4 ppb (5) 20.4 μg/m3 (19) 6.1 μg/m3 (26) 26.0
 
Jan. 19, 2021, 3 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 13.0 ppb (13) 0.4 ppb (5) 29.4 μg/m3 (28) 4.3 μg/m3 (18) 28.0
 
Jan. 19, 2021, 2 p.m. N/A N/A N/A 23.0 ppb (22) N/A N/A 9.0 ppb (9) 0.5 ppb (6) 53.0 μg/m3 (50) 5.6 μg/m3 (24) 50.0
 
Jan. 19, 2021, 1 p.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 27.0 ppb (25) 0.3 ppb (4) 180.4 μg/m3 (114) 7.7 μg/m3 (33) 114.0
 
Jan. 19, 2021, noon N/A N/A N/A 12.0 ppb (12) N/A N/A 25.0 ppb (24) 0.3 ppb (4) 97.6 μg/m3 (73) 4.4 μg/m3 (19) 73.0
 
Jan. 19, 2021, 11 a.m. N/A N/A N/A 22.0 ppb (21) N/A N/A 13.0 ppb (13) 0.4 ppb (5) 56.3 μg/m3 (52) 10.7 μg/m3 (45) 52.0
 
Jan. 19, 2021, 10 a.m. N/A N/A N/A 32.0 ppb (31) N/A N/A 2.0 ppb (2) 0.6 ppb (7) 33.6 μg/m3 (32) 12.7 μg/m3 (53) 53.0
 
Jan. 19, 2021, 9 a.m. N/A N/A N/A 31.0 ppb (30) N/A N/A 1.0 ppb (1) 0.7 ppb (8) 37.4 μg/m3 (35) 14.4 μg/m3 (56) 56.0
 
Jan. 19, 2021, 8 a.m. N/A N/A N/A 35.0 ppb (34) N/A N/A 0.0 ppb (0) 0.8 ppb (10) 44.4 μg/m3 (42) 13.1 μg/m3 (54) 54.0
 
Jan. 19, 2021, 7 a.m. N/A N/A N/A 35.0 ppb (34) N/A N/A 0.0 ppb (0) 1.0 ppb (12) 58.4 μg/m3 (53) 17.2 μg/m3 (62) 62.0
 
Jan. 19, 2021, 6 a.m. N/A N/A N/A 33.0 ppb (32) N/A N/A 0.0 ppb (0) 1.1 ppb (13) 49.8 μg/m3 (47) 14.4 μg/m3 (56) 56.0
 
Jan. 19, 2021, 5 a.m. N/A N/A N/A 33.0 ppb (32) N/A N/A 0.0 ppb (0) 1.0 ppb (12) 50.5 μg/m3 (47) 15.3 μg/m3 (58) 58.0
 
Jan. 19, 2021, 4 a.m. N/A N/A N/A 34.0 ppb (33) N/A N/A 0.0 ppb (0) 1.0 ppb (12) 49.2 μg/m3 (46) 13.4 μg/m3 (54) 54.0
 
Jan. 19, 2021, 3 a.m. N/A N/A N/A 35.0 ppb (34) N/A N/A 1.0 ppb (1) 1.0 ppb (12) 52.0 μg/m3 (49) 10.5 μg/m3 (44) 49.0
 
Jan. 19, 2021, 2 a.m. N/A N/A N/A 36.0 ppb (34) N/A N/A 2.0 ppb (2) 0.8 ppb (10) 43.2 μg/m3 (40) 7.7 μg/m3 (33) 40.0
 
Jan. 19, 2021, 1 a.m. N/A N/A N/A 28.0 ppb (27) N/A N/A 12.0 ppb (12) 0.6 ppb (7) 32.8 μg/m3 (31) 4.6 μg/m3 (20) 31.0
 
Jan. 19, 2021, midnight N/A N/A N/A 17.0 ppb (17) N/A N/A 25.0 ppb (24) 0.5 ppb (6) 30.4 μg/m3 (29) 7.3 μg/m3 (31) 31.0
 
Jan. 18, 2021, 11 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 30.0 ppb (28) 0.4 ppb (5) 29.9 μg/m3 (28) 5.3 μg/m3 (23) 28.0
 
Jan. 18, 2021, 10 p.m. N/A N/A N/A 16.0 ppb (16) N/A N/A 34.0 ppb (32) 0.4 ppb (5) 29.8 μg/m3 (28) 6.9 μg/m3 (29) 32.0
 
Jan. 18, 2021, 9 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 31.0 ppb (29) 0.4 ppb (5) 25.0 μg/m3 (24) 6.3 μg/m3 (27) 29.0
 
Jan. 18, 2021, 8 p.m. N/A N/A N/A 13.0 ppb (13) N/A N/A 29.0 ppb (27) 0.4 ppb (5) 23.5 μg/m3 (22) 4.5 μg/m3 (19) 27.0
 
Jan. 18, 2021, 7 p.m. N/A N/A N/A 11.0 ppb (11) N/A N/A 28.0 ppb (26) 0.4 ppb (5) 21.9 μg/m3 (21) 4.5 μg/m3 (19) 26.0
 
Jan. 18, 2021, 6 p.m. N/A N/A N/A 12.0 ppb (12) N/A N/A 24.0 ppb (23) 0.4 ppb (5) 28.3 μg/m3 (27) 8.1 μg/m3 (34) 34.0
 
Jan. 18, 2021, 5 p.m. N/A N/A N/A 13.0 ppb (13) N/A N/A 18.0 ppb (17) 0.4 ppb (5) 44.2 μg/m3 (41) 9.5 μg/m3 (40) 41.0
 
Jan. 18, 2021, 4 p.m. N/A N/A N/A 24.0 ppb (23) N/A N/A 7.0 ppb (7) 0.9 ppb (11) 83.9 μg/m3 (66) 25.3 μg/m3 (79) 79.0
 
Jan. 18, 2021, 3 p.m. N/A N/A N/A 27.0 ppb (26) N/A N/A 1.0 ppb (1) 1.8 ppb (21) 109.2 μg/m3 (78) 21.3 μg/m3 (71) 78.0
 
Jan. 18, 2021, 2 p.m. N/A N/A N/A 21.0 ppb (20) N/A N/A 0.0 ppb (0) 2.0 ppb (23) 55.3 μg/m3 (52) 13.2 μg/m3 (54) 54.0
 
Jan. 18, 2021, 1 p.m. N/A N/A N/A 25.0 ppb (24) N/A N/A 0.0 ppb (0) 1.5 ppb (18) 56.1 μg/m3 (52) 14.1 μg/m3 (56) 56.0
 
Jan. 18, 2021, noon N/A N/A N/A 23.0 ppb (22) N/A N/A 0.0 ppb (0) 1.1 ppb (13) 80.6 μg/m3 (64) 20.7 μg/m3 (70) 70.0
 
Jan. 18, 2021, 11 a.m. N/A N/A N/A 24.0 ppb (23) N/A N/A 1.0 ppb (1) 0.9 ppb (11) 48.9 μg/m3 (46) 22.9 μg/m3 (74) 74.0
 
Jan. 18, 2021, 10 a.m. N/A N/A N/A 28.0 ppb (27) N/A N/A 0.0 ppb (0) 1.3 ppb (15) 73.8 μg/m3 (61) 42.8 μg/m3 (119) 119.0
 
Jan. 18, 2021, 9 a.m. N/A N/A N/A 27.0 ppb (26) N/A N/A 0.0 ppb (0) 2.0 ppb (23) 82.3 μg/m3 (65) 46.9 μg/m3 (130) 130.0
 
Jan. 18, 2021, 8 a.m. N/A N/A N/A 28.0 ppb (27) N/A N/A 0.0 ppb (0) 2.3 ppb (27) 91.9 μg/m3 (70) 56.8 μg/m3 (152) 152.0
 
Jan. 18, 2021, 7 a.m. N/A N/A N/A 27.0 ppb (26) N/A N/A 1.0 ppb (1) 2.5 ppb (29) 95.1 μg/m3 (71) 60.2 μg/m3 (154) 154.0
 
Jan. 18, 2021, 6 a.m. N/A N/A N/A 28.0 ppb (27) N/A N/A 1.0 ppb (1) 2.6 ppb (30) 93.3 μg/m3 (70) 47.5 μg/m3 (131) 131.0
 
Jan. 18, 2021, 5 a.m. N/A N/A N/A 30.0 ppb (29) N/A N/A 1.0 ppb (1) 2.7 ppb (31) 113.8 μg/m3 (81) 47.8 μg/m3 (132) 132.0
 
Jan. 18, 2021, 4 a.m. N/A N/A N/A 30.0 ppb (29) N/A N/A 1.0 ppb (1) 2.4 ppb (28) 94.7 μg/m3 (71) 38.1 μg/m3 (108) 108.0
 
Jan. 18, 2021, 3 a.m. N/A N/A N/A 33.0 ppb (32) N/A N/A 1.0 ppb (1) 1.9 ppb (22) 76.3 μg/m3 (62) 24.0 μg/m3 (77) 77.0
 
Jan. 18, 2021, 2 a.m. N/A N/A N/A 36.0 ppb (34) N/A N/A 1.0 ppb (1) 1.6 ppb (19) 83.1 μg/m3 (65) 21.6 μg/m3 (71) 71.0
 
Jan. 18, 2021, 1 a.m. N/A N/A N/A 41.0 ppb (39) N/A N/A 1.0 ppb (1) 1.5 ppb (18) 58.3 μg/m3 (53) 11.6 μg/m3 (49) 53.0
 
Jan. 18, 2021, midnight N/A N/A N/A 32.0 ppb (31) N/A N/A 18.0 ppb (17) 0.6 ppb (7) 18.6 μg/m3 (18) 5.4 μg/m3 (23) 31.0
 
Jan. 17, 2021, 11 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 36.0 ppb (34) 0.4 ppb (5) 10.8 μg/m3 (10) 3.5 μg/m3 (15) 34.0
 
Jan. 17, 2021, 10 p.m. N/A N/A N/A 12.0 ppb (12) N/A N/A 39.0 ppb (37) 0.3 ppb (4) 10.6 μg/m3 (10) 2.4 μg/m3 (10) 37.0
 
Jan. 17, 2021, 9 p.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 39.0 ppb (37) 0.4 ppb (5) 8.8 μg/m3 (9) 1.0 μg/m3 (5) 37.0
 
Jan. 17, 2021, 8 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 39.0 ppb (37) 0.3 ppb (4) 9.1 μg/m3 (9) 1.7 μg/m3 (8) 37.0
 
Jan. 17, 2021, 7 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 36.0 ppb (34) 0.3 ppb (4) 11.7 μg/m3 (11) 3.4 μg/m3 (15) 34.0
 
Jan. 17, 2021, 6 p.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 31.0 ppb (29) 0.4 ppb (5) 19.7 μg/m3 (19) 7.7 μg/m3 (33) 33.0
 
Jan. 17, 2021, 5 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 21.0 ppb (20) 0.6 ppb (7) 30.7 μg/m3 (29) 12.7 μg/m3 (53) 53.0
 
Jan. 17, 2021, 4 p.m. N/A N/A N/A 26.0 ppb (25) N/A N/A 10.0 ppb (10) 1.0 ppb (12) 77.5 μg/m3 (63) 32.3 μg/m3 (94) 94.0
 
Jan. 17, 2021, 3 p.m. N/A N/A N/A 27.0 ppb (26) N/A N/A 1.0 ppb (1) 1.8 ppb (21) 90.2 μg/m3 (69) 42.1 μg/m3 (118) 118.0
 
Jan. 17, 2021, 2 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 1.0 ppb (1) 1.8 ppb (21) 93.0 μg/m3 (70) 48.9 μg/m3 (134) 134.0
 
Jan. 17, 2021, 1 p.m. N/A N/A N/A 22.0 ppb (21) N/A N/A 1.0 ppb (1) 1.9 ppb (22) 90.1 μg/m3 (69) 54.1 μg/m3 (147) 147.0
 
Jan. 17, 2021, noon N/A N/A N/A 23.0 ppb (22) N/A N/A 0.0 ppb (0) 2.0 ppb (23) 98.1 μg/m3 (73) 54.9 μg/m3 (149) 149.0
 
Jan. 17, 2021, 11 a.m. N/A N/A N/A 25.0 ppb (24) N/A N/A 1.0 ppb (1) 2.1 ppb (24) 81.2 μg/m3 (64) 51.4 μg/m3 (141) 141.0
 
Jan. 17, 2021, 10 a.m. N/A N/A N/A 25.0 ppb (24) N/A N/A 1.0 ppb (1) 2.2 ppb (25) 85.9 μg/m3 (67) 57.2 μg/m3 (152) 152.0
 
Jan. 17, 2021, 9 a.m. N/A N/A N/A 27.0 ppb (26) N/A N/A 0.0 ppb (0) 2.3 ppb (27) 100.2 μg/m3 (74) 70.0 μg/m3 (159) 159.0
 
Jan. 17, 2021, 8 a.m. N/A N/A N/A 29.0 ppb (28) N/A N/A 1.0 ppb (1) 2.5 ppb (29) 109.2 μg/m3 (78) 76.6 μg/m3 (162) 162.0
 
Jan. 17, 2021, 7 a.m. N/A N/A N/A 31.0 ppb (30) N/A N/A 1.0 ppb (1) 2.2 ppb (25) 94.2 μg/m3 (71) 63.6 μg/m3 (156) 156.0
 
Jan. 17, 2021, 6 a.m. N/A N/A N/A 34.0 ppb (33) N/A N/A 2.0 ppb (2) 1.7 ppb (20) 76.9 μg/m3 (62) 42.4 μg/m3 (118) 118.0
 
Jan. 17, 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) 105.7 μg/m3 (77) 50.5 μg/m3 (138) 138.0
 
Jan. 17, 2021, 4 a.m. N/A N/A N/A 38.0 ppb (36) N/A N/A 1.0 ppb (1) 1.7 ppb (20) 96.0 μg/m3 (72) 40.5 μg/m3 (114) 114.0
 
Jan. 17, 2021, 3 a.m. N/A N/A N/A 37.0 ppb (35) N/A N/A 1.0 ppb (1) 1.8 ppb (21) 104.8 μg/m3 (76) 39.3 μg/m3 (111) 111.0
 
Jan. 17, 2021, 2 a.m. N/A N/A N/A 35.0 ppb (34) N/A N/A 1.0 ppb (1) 1.7 ppb (20) 128.6 μg/m3 (88) 48.5 μg/m3 (134) 134.0
 
Jan. 17, 2021, 1 a.m. N/A N/A N/A 38.0 ppb (36) N/A N/A 1.0 ppb (1) 1.4 ppb (16) 92.4 μg/m3 (70) 26.9 μg/m3 (83) 83.0
 
Jan. 17, 2021, midnight N/A N/A N/A 32.0 ppb (31) N/A N/A 15.0 ppb (14) 0.7 ppb (8) 36.7 μg/m3 (34) 8.8 μg/m3 (37) 37.0
 
Jan. 16, 2021, 11 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A 35.0 ppb (33) 0.4 ppb (5) 30.4 μg/m3 (29) 8.2 μg/m3 (35) 35.0
 
Jan. 16, 2021, 10 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 36.0 ppb (34) 0.4 ppb (5) 43.7 μg/m3 (41) 7.0 μg/m3 (30) 41.0
 
Jan. 16, 2021, 9 p.m. N/A N/A N/A 14.0 ppb (14) N/A N/A 33.0 ppb (31) 0.4 ppb (5) 23.9 μg/m3 (23) 5.7 μg/m3 (24) 31.0
 
Jan. 16, 2021, 8 p.m. N/A N/A N/A 12.0 ppb (12) N/A N/A 31.0 ppb (29) 0.4 ppb (5) 20.5 μg/m3 (19) 5.5 μg/m3 (23) 29.0
 
Jan. 16, 2021, 7 p.m. N/A N/A N/A 13.0 ppb (13) N/A N/A 26.0 ppb (25) 0.4 ppb (5) 23.7 μg/m3 (22) 5.2 μg/m3 (22) 25.0
 
Jan. 16, 2021, 6 p.m. N/A N/A N/A 14.0 ppb (14) N/A N/A 22.0 ppb (21) 0.4 ppb (5) 31.7 μg/m3 (30) 9.7 μg/m3 (41) 41.0
 
Jan. 16, 2021, 5 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 16.0 ppb (15) 0.6 ppb (7) 28.6 μg/m3 (27) 5.7 μg/m3 (24) 27.0
 
Jan. 16, 2021, 4 p.m. N/A N/A N/A 24.0 ppb (23) N/A N/A 8.0 ppb (8) 0.9 ppb (11) 79.0 μg/m3 (63) 24.2 μg/m3 (77) 77.0
 
Jan. 16, 2021, 3 p.m. N/A N/A N/A 26.0 ppb (25) N/A N/A 1.0 ppb (1) 1.6 ppb (19) 121.6 μg/m3 (84) 33.6 μg/m3 (97) 97.0
 
Jan. 16, 2021, 2 p.m. N/A N/A N/A 22.0 ppb (21) N/A N/A 0.0 ppb (0) 1.7 ppb (20) 86.5 μg/m3 (67) 27.3 μg/m3 (83) 83.0
 
Jan. 16, 2021, 1 p.m. N/A N/A N/A 21.0 ppb (20) N/A N/A 0.0 ppb (0) 1.4 ppb (16) 45.4 μg/m3 (43) 19.6 μg/m3 (67) 67.0
 
Jan. 16, 2021, noon N/A N/A N/A 23.0 ppb (22) N/A N/A 0.0 ppb (0) 1.3 ppb (15) 54.0 μg/m3 (50) 29.3 μg/m3 (88) 88.0
 
Jan. 16, 2021, 11 a.m. N/A N/A N/A 23.0 ppb (22) N/A N/A 0.0 ppb (0) 1.5 ppb (18) 48.6 μg/m3 (45) 27.3 μg/m3 (83) 83.0
 
Jan. 16, 2021, 10 a.m. N/A N/A N/A 25.0 ppb (24) N/A N/A 0.0 ppb (0) 1.4 ppb (16) 51.2 μg/m3 (48) 24.1 μg/m3 (77) 77.0
 
Jan. 16, 2021, 9 a.m. N/A N/A N/A 25.0 ppb (24) N/A N/A 0.0 ppb (0) 1.8 ppb (21) 80.2 μg/m3 (64) 38.7 μg/m3 (109) 109.0
 
Jan. 16, 2021, 8 a.m. N/A N/A N/A 25.0 ppb (24) N/A N/A 1.0 ppb (1) 2.5 ppb (29) 94.1 μg/m3 (71) 41.4 μg/m3 (116) 116.0
 
Jan. 16, 2021, 7 a.m. N/A N/A N/A 25.0 ppb (24) N/A N/A 1.0 ppb (1) 2.5 ppb (29) 84.7 μg/m3 (66) 37.3 μg/m3 (106) 106.0
 
Jan. 16, 2021, 6 a.m. N/A N/A N/A 27.0 ppb (26) N/A N/A 1.0 ppb (1) 2.5 ppb (29) 88.4 μg/m3 (68) 40.7 μg/m3 (114) 114.0
 
Jan. 16, 2021, 5 a.m. N/A N/A N/A 29.0 ppb (28) N/A N/A 1.0 ppb (1) 2.4 ppb (28) 79.6 μg/m3 (64) 32.2 μg/m3 (94) 94.0
 
Jan. 16, 2021, 4 a.m. N/A N/A N/A 31.0 ppb (30) N/A N/A 1.0 ppb (1) 2.3 ppb (27) 87.3 μg/m3 (67) 29.0 μg/m3 (87) 87.0
 
Jan. 16, 2021, 3 a.m. N/A N/A N/A 33.0 ppb (32) N/A N/A 1.0 ppb (1) 2.2 ppb (25) 95.5 μg/m3 (72) 32.7 μg/m3 (95) 95.0
 
Jan. 16, 2021, 2 a.m. N/A N/A N/A 33.0 ppb (32) N/A N/A 1.0 ppb (1) 1.6 ppb (19) 112.1 μg/m3 (80) 21.8 μg/m3 (72) 80.0
 
Jan. 16, 2021, 1 a.m. N/A N/A N/A 36.0 ppb (34) N/A N/A 1.0 ppb (1) 1.6 ppb (19) 65.1 μg/m3 (56) 9.0 μg/m3 (38) 56.0
 
Jan. 16, 2021, midnight N/A N/A N/A 24.0 ppb (23) N/A N/A 19.0 ppb (18) 0.5 ppb (6) 27.7 μg/m3 (26) 3.8 μg/m3 (16) 26.0
 
Jan. 15, 2021, 11 p.m. N/A N/A N/A 13.0 ppb (13) N/A N/A 32.0 ppb (30) 0.3 ppb (4) 19.0 μg/m3 (18) 3.4 μg/m3 (15) 30.0
 
Jan. 15, 2021, 10 p.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 38.0 ppb (36) 0.3 ppb (4) 15.4 μg/m3 (15) 2.4 μg/m3 (10) 36.0
 
Jan. 15, 2021, 9 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 39.0 ppb (37) 0.3 ppb (4) 14.2 μg/m3 (14) 2.0 μg/m3 (9) 37.0
 
Jan. 15, 2021, 8 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 38.0 ppb (36) 0.3 ppb (4) 15.8 μg/m3 (15) 2.3 μg/m3 (10) 36.0
 
Jan. 15, 2021, 7 p.m. N/A N/A N/A 13.0 ppb (13) N/A N/A 33.0 ppb (31) 0.3 ppb (4) 22.5 μg/m3 (21) 6.0 μg/m3 (25) 31.0
 
Jan. 15, 2021, 6 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A 29.0 ppb (27) 0.4 ppb (5) 59.1 μg/m3 (54) 17.5 μg/m3 (63) 63.0
 
Jan. 15, 2021, 5 p.m. N/A N/A N/A 46.0 ppb (44) N/A N/A 11.0 ppb (11) 1.0 ppb (12) 121.0 μg/m3 (84) 40.1 μg/m3 (113) 113.0
 
Jan. 15, 2021, 4 p.m. N/A N/A N/A 48.0 ppb (46) N/A N/A 3.0 ppb (3) 1.6 ppb (19) 108.8 μg/m3 (78) 35.0 μg/m3 (100) 100.0
 
Jan. 15, 2021, 3 p.m. N/A N/A N/A 36.0 ppb (34) N/A N/A 1.0 ppb (1) 1.7 ppb (20) 120.1 μg/m3 (84) 28.6 μg/m3 (86) 86.0
 
Jan. 15, 2021, 2 p.m. N/A N/A N/A 29.0 ppb (28) N/A N/A 1.0 ppb (1) 1.3 ppb (15) 47.2 μg/m3 (44) 10.4 μg/m3 (44) 44.0
 
Jan. 15, 2021, 1 p.m. N/A N/A N/A 30.0 ppb (29) N/A N/A 3.0 ppb (3) 0.6 ppb (7) 27.7 μg/m3 (26) 5.1 μg/m3 (22) 29.0
 
Jan. 15, 2021, noon N/A N/A N/A 25.0 ppb (24) N/A N/A 6.0 ppb (6) 0.6 ppb (7) 38.0 μg/m3 (36) 13.7 μg/m3 (55) 55.0
 
Jan. 15, 2021, 11 a.m. N/A N/A N/A 33.0 ppb (32) N/A N/A 1.0 ppb (1) 0.9 ppb (11) 64.0 μg/m3 (56) 30.6 μg/m3 (90) 90.0
 
Jan. 15, 2021, 10 a.m. N/A N/A N/A 33.0 ppb (32) N/A N/A 1.0 ppb (1) 1.3 ppb (15) 76.4 μg/m3 (62) 28.6 μg/m3 (86) 86.0
 
Jan. 15, 2021, 9 a.m. N/A N/A N/A 31.0 ppb (30) N/A N/A 1.0 ppb (1) 1.2 ppb (14) 61.9 μg/m3 (55) 22.4 μg/m3 (73) 73.0
 
Jan. 15, 2021, 8 a.m. N/A N/A N/A 31.0 ppb (30) N/A N/A 0.0 ppb (0) 1.2 ppb (14) 71.0 μg/m3 (59) 32.9 μg/m3 (95) 95.0
 
Jan. 15, 2021, 7 a.m. N/A N/A N/A 31.0 ppb (30) N/A N/A 0.0 ppb (0) 1.7 ppb (20) 92.5 μg/m3 (70) 39.8 μg/m3 (112) 112.0
 
Jan. 15, 2021, 6 a.m. N/A N/A N/A 30.0 ppb (29) N/A N/A 1.0 ppb (1) 1.7 ppb (20) 104.3 μg/m3 (76) 40.3 μg/m3 (113) 113.0
 
Jan. 15, 2021, 5 a.m. N/A N/A N/A 32.0 ppb (31) N/A N/A 1.0 ppb (1) 1.7 ppb (20) 101.2 μg/m3 (74) 36.2 μg/m3 (103) 103.0
 
Jan. 15, 2021, 4 a.m. N/A N/A N/A 34.0 ppb (33) N/A N/A 0.0 ppb (0) 1.5 ppb (18) 83.8 μg/m3 (66) 30.8 μg/m3 (91) 91.0
 
Jan. 15, 2021, 3 a.m. N/A N/A N/A 34.0 ppb (33) N/A N/A 0.0 ppb (0) 1.4 ppb (16) 83.7 μg/m3 (66) 26.7 μg/m3 (82) 82.0
 
Jan. 15, 2021, 2 a.m. N/A N/A N/A 37.0 ppb (35) N/A N/A 0.0 ppb (0) 1.1 ppb (13) 81.5 μg/m3 (65) 25.1 μg/m3 (79) 79.0
 
Jan. 15, 2021, 1 a.m. N/A N/A N/A 38.0 ppb (36) N/A N/A 2.0 ppb (2) 0.9 ppb (11) 71.3 μg/m3 (60) 18.9 μg/m3 (66) 66.0
 
Jan. 15, 2021, midnight N/A N/A N/A 33.0 ppb (32) N/A N/A 10.0 ppb (10) 0.6 ppb (7) 50.3 μg/m3 (47) 17.2 μg/m3 (62) 62.0