ID: 955

AQSQID: 040134003

Site Name: South Phoenix

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

Updated: April 20, 2021, 10:45 a.m.

Location: Phoenix (S Mtain), AZ

Reporting: True, Located: True

Current AQI: 40.0

Phoenix (S Mtain) AZ, US: 33.4033, -112.0731

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 20, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 28.2 μg/m3 (27) 9.5 μg/m3 (40) 40.0
 
April 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 31.7 μg/m3 (30) 8.9 μg/m3 (38) 38.0
 
April 20, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 29.0 μg/m3 (27) 6.7 μg/m3 (28) 28.0
 
April 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 15.4 μg/m3 (15) 3.6 μg/m3 (16) 28.0
 
April 20, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 4.0 μg/m3 (4) 1.5 μg/m3 (7) 39.0
 
April 20, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 0.0 μg/m3 (0) 0.0 μg/m3 (0) 36.0
 
April 20, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 16.2 μg/m3 (15) 3.3 μg/m3 (14) 37.0
 
April 20, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) 0.3 ppb (4) 21.8 μg/m3 (21) 3.4 μg/m3 (15) 39.0
 
April 20, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) 0.2 ppb (3) 15.4 μg/m3 (15) 2.5 μg/m3 (11) 48.0
 
April 20, 2021, midnight N/A N/A N/A N/A N/A N/A 57.0 ppb (58) 0.2 ppb (3) 15.9 μg/m3 (15) 4.9 μg/m3 (21) 58.0
 
April 19, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) 0.2 ppb (3) 20.4 μg/m3 (19) 7.0 μg/m3 (30) 65.0
 
April 19, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) 0.2 ppb (3) 17.8 μg/m3 (17) 5.6 μg/m3 (24) 78.0
 
April 19, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) 0.2 ppb (3) 12.7 μg/m3 (12) 3.2 μg/m3 (14) 65.0
 
April 19, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) 0.2 ppb (3) 11.3 μg/m3 (11) 3.8 μg/m3 (16) 50.0
 
April 19, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) 0.2 ppb (3) 13.6 μg/m3 (13) 4.9 μg/m3 (21) 47.0
 
April 19, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) 0.2 ppb (3) 10.8 μg/m3 (10) 4.1 μg/m3 (18) 43.0
 
April 19, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) 0.2 ppb (3) 13.5 μg/m3 (13) 5.5 μg/m3 (23) 39.0
 
April 19, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) 0.2 ppb (3) 27.0 μg/m3 (25) 8.7 μg/m3 (37) 37.0
 
April 19, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) 0.4 ppb (5) 52.3 μg/m3 (49) 8.4 μg/m3 (36) 49.0
 
April 19, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) 0.5 ppb (6) 122.7 μg/m3 (85) 19.7 μg/m3 (67) 85.0
 
April 19, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 0.9 ppb (11) 80.4 μg/m3 (64) 13.8 μg/m3 (55) 64.0
 
April 19, 2021, noon N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 0.7 ppb (8) 34.1 μg/m3 (32) 8.9 μg/m3 (38) 38.0
 
April 19, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) 0.5 ppb (6) 28.8 μg/m3 (27) 8.8 μg/m3 (37) 37.0
 
April 19, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) 0.4 ppb (5) 34.6 μg/m3 (33) 8.8 μg/m3 (37) 37.0
 
April 19, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) 0.4 ppb (5) 31.1 μg/m3 (29) 9.3 μg/m3 (39) 39.0
 
April 19, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) 0.4 ppb (5) 29.3 μg/m3 (28) 8.9 μg/m3 (38) 38.0
 
April 19, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) 0.4 ppb (5) 42.2 μg/m3 (40) 11.4 μg/m3 (48) 48.0
 
April 19, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) 0.5 ppb (6) 29.6 μg/m3 (28) 7.8 μg/m3 (33) 33.0
 
April 19, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) 0.3 ppb (4) 29.5 μg/m3 (28) 8.6 μg/m3 (36) 36.0
 
April 19, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.3 ppb (4) 17.4 μg/m3 (17) 4.4 μg/m3 (19) 28.0
 
April 19, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) 0.3 ppb (4) 9.4 μg/m3 (9) 2.2 μg/m3 (10) 35.0
 
April 19, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) 0.2 ppb (3) 14.5 μg/m3 (14) 3.4 μg/m3 (15) 41.0
 
April 19, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) 0.2 ppb (3) 20.1 μg/m3 (19) 4.8 μg/m3 (20) 44.0
 
April 19, 2021, midnight N/A N/A N/A N/A N/A N/A 48.0 ppb (45) 0.2 ppb (3) 9.1 μg/m3 (9) 4.7 μg/m3 (20) 45.0
 
April 18, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) 0.2 ppb (3) 25.9 μg/m3 (24) 5.0 μg/m3 (21) 47.0
 
April 18, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) 0.2 ppb (3) 146.6 μg/m3 (97) 10.2 μg/m3 (43) 97.0
 
April 18, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) 0.2 ppb (3) 30.2 μg/m3 (28) 2.8 μg/m3 (12) 48.0
 
April 18, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) 0.2 ppb (3) 13.7 μg/m3 (13) 2.1 μg/m3 (9) 46.0
 
April 18, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) 0.2 ppb (3) 15.0 μg/m3 (14) 3.2 μg/m3 (14) 44.0
 
April 18, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) 0.2 ppb (3) 26.0 μg/m3 (25) 3.9 μg/m3 (17) 42.0
 
April 18, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) 0.2 ppb (3) 33.5 μg/m3 (32) 4.2 μg/m3 (18) 40.0
 
April 18, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) 0.4 ppb (5) 16.5 μg/m3 (16) 1.2 μg/m3 (5) 38.0
 
April 18, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) 0.3 ppb (4) 15.6 μg/m3 (15) 4.6 μg/m3 (20) 30.0
 
April 18, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) 0.4 ppb (5) 29.0 μg/m3 (27) 9.9 μg/m3 (42) 42.0
 
April 18, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) 0.5 ppb (6) 27.3 μg/m3 (26) 8.0 μg/m3 (34) 34.0
 
April 18, 2021, noon N/A N/A N/A N/A N/A N/A 8.0 ppb (8) 0.5 ppb (6) 21.5 μg/m3 (20) 8.7 μg/m3 (37) 37.0
 
April 18, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) 0.4 ppb (5) 24.9 μg/m3 (24) 8.5 μg/m3 (36) 36.0
 
April 18, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) 0.4 ppb (5) 21.7 μg/m3 (21) 6.4 μg/m3 (27) 27.0
 
April 18, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 0.4 ppb (5) 26.2 μg/m3 (25) 8.4 μg/m3 (36) 36.0
 
April 18, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.4 ppb (5) 24.9 μg/m3 (24) 6.3 μg/m3 (27) 27.0
 
April 18, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) 0.4 ppb (5) 14.2 μg/m3 (14) 3.9 μg/m3 (17) 26.0
 
April 18, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) 0.3 ppb (4) 21.7 μg/m3 (21) 6.4 μg/m3 (27) 33.0
 
April 18, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) 0.2 ppb (3) 16.9 μg/m3 (16) 3.7 μg/m3 (16) 37.0
 
April 18, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) 0.2 ppb (3) 17.4 μg/m3 (17) 5.5 μg/m3 (23) 40.0
 
April 18, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) 0.2 ppb (3) 21.4 μg/m3 (20) 5.3 μg/m3 (23) 42.0
 
April 18, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) 0.2 ppb (3) 18.3 μg/m3 (17) 3.7 μg/m3 (16) 45.0
 
April 18, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) 0.2 ppb (3) 13.8 μg/m3 (13) 2.0 μg/m3 (9) 47.0
 
April 18, 2021, midnight N/A N/A N/A N/A N/A N/A 52.0 ppb (49) 0.2 ppb (3) 16.7 μg/m3 (16) 3.5 μg/m3 (15) 49.0
 
April 17, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) 0.2 ppb (3) 17.4 μg/m3 (17) 4.2 μg/m3 (18) 50.0
 
April 17, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) 0.2 ppb (3) 14.7 μg/m3 (14) 2.2 μg/m3 (10) 51.0
 
April 17, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) 0.2 ppb (3) 21.6 μg/m3 (20) 5.2 μg/m3 (22) 55.0
 
April 17, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) 0.2 ppb (3) 12.2 μg/m3 (12) 3.2 μg/m3 (14) 50.0
 
April 17, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) 0.2 ppb (3) 11.7 μg/m3 (11) 3.5 μg/m3 (15) 46.0
 
April 17, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) 0.2 ppb (3) 12.2 μg/m3 (12) 3.7 μg/m3 (16) 42.0
 
April 17, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) 0.2 ppb (3) 16.9 μg/m3 (16) 5.6 μg/m3 (24) 37.0
 
April 17, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) 0.3 ppb (4) 22.1 μg/m3 (21) 6.1 μg/m3 (26) 30.0
 
April 17, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.4 ppb (5) 38.9 μg/m3 (37) 10.1 μg/m3 (43) 43.0
 
April 17, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) 0.6 ppb (7) 79.6 μg/m3 (64) 20.5 μg/m3 (69) 69.0
 
April 17, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 0.8 ppb (10) 58.2 μg/m3 (53) 20.9 μg/m3 (70) 70.0
 
April 17, 2021, noon N/A N/A N/A N/A N/A N/A 5.0 ppb (5) 0.6 ppb (7) 40.9 μg/m3 (38) 18.1 μg/m3 (64) 64.0
 
April 17, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.7 ppb (8) 38.0 μg/m3 (36) 14.7 μg/m3 (57) 57.0
 
April 17, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) 0.7 ppb (8) 39.4 μg/m3 (37) 15.1 μg/m3 (58) 58.0
 
April 17, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) 0.6 ppb (7) 37.9 μg/m3 (36) 12.0 μg/m3 (50) 50.0
 
April 17, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) 0.7 ppb (8) 43.8 μg/m3 (41) 13.2 μg/m3 (54) 54.0
 
April 17, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 0.9 ppb (11) 60.5 μg/m3 (54) 14.8 μg/m3 (57) 57.0
 
April 17, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.1 ppb (13) 88.3 μg/m3 (68) 17.0 μg/m3 (62) 68.0
 
April 17, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.3 ppb (15) 67.8 μg/m3 (58) 12.8 μg/m3 (53) 58.0
 
April 17, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) 0.9 ppb (11) 53.3 μg/m3 (50) 12.9 μg/m3 (53) 53.0
 
April 17, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) 0.6 ppb (7) 58.0 μg/m3 (53) 16.4 μg/m3 (61) 61.0
 
April 17, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) 0.4 ppb (5) 32.9 μg/m3 (31) 5.3 μg/m3 (23) 38.0
 
April 17, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) 0.2 ppb (3) 15.9 μg/m3 (15) 3.2 μg/m3 (14) 51.0
 
April 17, 2021, midnight N/A N/A N/A N/A N/A N/A 57.0 ppb (58) 0.2 ppb (3) 13.3 μg/m3 (13) 3.6 μg/m3 (16) 58.0
 
April 16, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) 0.2 ppb (3) 14.1 μg/m3 (14) 4.4 μg/m3 (19) 61.0
 
April 16, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) 0.2 ppb (3) 11.4 μg/m3 (11) 3.0 μg/m3 (13) 61.0
 
April 16, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) 0.2 ppb (3) 11.5 μg/m3 (11) 2.7 μg/m3 (12) 61.0
 
April 16, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) 0.2 ppb (3) 14.1 μg/m3 (14) 5.8 μg/m3 (25) 51.0
 
April 16, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) 0.2 ppb (3) 16.5 μg/m3 (16) 3.5 μg/m3 (15) 49.0
 
April 16, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) 0.2 ppb (3) 18.2 μg/m3 (17) 4.1 μg/m3 (18) 46.0
 
April 16, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) 0.2 ppb (3) 23.5 μg/m3 (22) 4.1 μg/m3 (18) 41.0
 
April 16, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) 0.3 ppb (4) 29.6 μg/m3 (28) 3.9 μg/m3 (17) 32.0
 
April 16, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.3 ppb (4) 48.1 μg/m3 (45) 9.6 μg/m3 (40) 45.0
 
April 16, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) 0.6 ppb (7) 85.2 μg/m3 (66) 12.5 μg/m3 (52) 66.0
 
April 16, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) 0.7 ppb (8) 56.5 μg/m3 (52) 8.1 μg/m3 (34) 52.0
 
April 16, 2021, noon N/A N/A N/A N/A N/A N/A 11.0 ppb (11) 0.4 ppb (5) 27.7 μg/m3 (26) 5.2 μg/m3 (22) 26.0
 
April 16, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) 0.4 ppb (5) 22.7 μg/m3 (22) 8.0 μg/m3 (34) 34.0
 
April 16, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) 0.3 ppb (4) 23.4 μg/m3 (22) 8.5 μg/m3 (36) 36.0
 
April 16, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 0.3 ppb (4) 27.6 μg/m3 (26) 10.9 μg/m3 (46) 46.0
 
April 16, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) 0.3 ppb (4) 26.4 μg/m3 (25) 10.2 μg/m3 (43) 43.0
 
April 16, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.3 ppb (4) 24.9 μg/m3 (24) 6.6 μg/m3 (28) 28.0
 
April 16, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.3 ppb (4) 28.9 μg/m3 (27) 5.3 μg/m3 (23) 27.0
 
April 16, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.3 ppb (4) 22.8 μg/m3 (22) 2.8 μg/m3 (12) 28.0
 
April 16, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) 0.3 ppb (4) 24.3 μg/m3 (23) 6.0 μg/m3 (25) 32.0
 
April 16, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) 0.2 ppb (3) 22.9 μg/m3 (22) 4.1 μg/m3 (18) 40.0
 
April 16, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) 0.2 ppb (3) 30.9 μg/m3 (29) 5.7 μg/m3 (24) 45.0
 
April 16, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) 0.2 ppb (3) 25.8 μg/m3 (24) 3.3 μg/m3 (14) 48.0
 
April 16, 2021, midnight N/A N/A N/A N/A N/A N/A 54.0 ppb (50) 0.2 ppb (3) 30.0 μg/m3 (28) 1.2 μg/m3 (5) 50.0
 
April 15, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) 0.2 ppb (3) 35.9 μg/m3 (34) 4.2 μg/m3 (18) 61.0
 
April 15, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) 0.1 ppb (2) 30.9 μg/m3 (29) 6.1 μg/m3 (26) 58.0
 
April 15, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A 77.5 μg/m3 (63) 8.0 μg/m3 (34) 71.0
 
April 15, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) 0.1 ppb (2) 61.3 μg/m3 (55) 7.3 μg/m3 (31) 71.0
 
April 15, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.3 μg/m3 (40) 6.1 μg/m3 (26) 40.0
 
April 15, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) 0.1 ppb (2) N/A N/A 50.0
 
April 15, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) 0.1 ppb (2) N/A N/A 48.0
 
April 15, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 39.7 μg/m3 (37) 8.0 μg/m3 (34) 42.0
 
April 15, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 61.8 μg/m3 (55) 10.3 μg/m3 (43) 55.0
 
April 15, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 37.7 μg/m3 (35) 9.0 μg/m3 (38) 38.0
 
April 15, 2021, noon N/A N/A N/A N/A N/A N/A 31.0 ppb (29) 0.3 ppb (4) 13.6 μg/m3 (13) 4.9 μg/m3 (21) 29.0
 
April 15, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) 0.2 ppb (3) 12.6 μg/m3 (12) 4.0 μg/m3 (17) 35.0
 
April 15, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) 0.2 ppb (3) 15.6 μg/m3 (15) 4.9 μg/m3 (21) 32.0
 
April 15, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) 0.2 ppb (3) 10.7 μg/m3 (10) 5.0 μg/m3 (21) 38.0
 
April 15, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) 0.2 ppb (3) 14.9 μg/m3 (14) 5.9 μg/m3 (25) 38.0
 
April 15, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) 0.2 ppb (3) 16.5 μg/m3 (16) 5.8 μg/m3 (25) 41.0
 
April 15, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) 0.2 ppb (3) 12.4 μg/m3 (12) 3.4 μg/m3 (15) 41.0
 
April 15, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) 0.2 ppb (3) 14.4 μg/m3 (14) 5.2 μg/m3 (22) 41.0
 
April 15, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) 0.2 ppb (3) 21.7 μg/m3 (21) 5.3 μg/m3 (23) 41.0
 
April 15, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) 0.2 ppb (3) 26.4 μg/m3 (25) 5.8 μg/m3 (25) 39.0
 
April 15, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) 0.2 ppb (3) 62.3 μg/m3 (55) 4.9 μg/m3 (21) 55.0
 
April 15, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) 0.2 ppb (3) 105.2 μg/m3 (76) 8.2 μg/m3 (35) 76.0
 
April 15, 2021, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (43) 0.2 ppb (3) 45.7 μg/m3 (43) 5.5 μg/m3 (23) 43.0
 
April 14, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) 0.2 ppb (3) 24.6 μg/m3 (23) 5.1 μg/m3 (22) 43.0
 
April 14, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) 0.2 ppb (3) 14.0 μg/m3 (13) 3.3 μg/m3 (14) 44.0
 
April 14, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) 0.2 ppb (3) 18.6 μg/m3 (18) 6.4 μg/m3 (27) 45.0
 
April 14, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) 0.2 ppb (3) 50.9 μg/m3 (48) 6.0 μg/m3 (25) 48.0
 
April 14, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) 0.2 ppb (3) 25.2 μg/m3 (24) 4.9 μg/m3 (21) 41.0
 
April 14, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) 0.2 ppb (3) 21.5 μg/m3 (20) 4.7 μg/m3 (20) 39.0
 
April 14, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) 0.2 ppb (3) 33.3 μg/m3 (31) 7.5 μg/m3 (32) 36.0
 
April 14, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) 0.3 ppb (4) 29.9 μg/m3 (28) 8.0 μg/m3 (34) 34.0
 
April 14, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) 0.3 ppb (4) 33.3 μg/m3 (31) 5.4 μg/m3 (23) 31.0
 
April 14, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) 0.4 ppb (5) N/A N/A 11.0
 
April 14, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 0.5 ppb (6) N/A N/A 6.0
 
April 14, 2021, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (7) 0.4 ppb (5) N/A N/A 7.0
 
April 14, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.3 ppb (4) N/A N/A 18.0
 
April 14, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.2 ppb (3) N/A N/A 18.0
 
April 14, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) 0.2 ppb (3) N/A N/A 22.0
 
April 14, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) 0.2 ppb (3) N/A N/A 30.0
 
April 14, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) 0.2 ppb (3) N/A N/A 37.0
 
April 14, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) 0.2 ppb (3) 14.1 μg/m3 (14) 6.0 μg/m3 (25) 38.0
 
April 14, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) 0.3 ppb (4) 12.0 μg/m3 (12) 4.4 μg/m3 (19) 37.0
 
April 14, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) 0.2 ppb (3) 13.6 μg/m3 (13) 4.5 μg/m3 (19) 38.0
 
April 14, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) 0.2 ppb (3) 19.8 μg/m3 (19) 6.1 μg/m3 (26) 39.0
 
April 14, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) 0.2 ppb (3) 30.6 μg/m3 (29) 4.7 μg/m3 (20) 38.0
 
April 14, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) 0.2 ppb (3) 48.4 μg/m3 (45) 8.3 μg/m3 (35) 45.0
 
April 14, 2021, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (42) 0.2 ppb (3) 40.5 μg/m3 (38) 7.9 μg/m3 (33) 42.0
 
April 13, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) 0.2 ppb (3) 23.3 μg/m3 (22) 3.4 μg/m3 (15) 43.0
 
April 13, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) 0.2 ppb (3) 25.0 μg/m3 (24) 6.0 μg/m3 (25) 43.0
 
April 13, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) 0.2 ppb (3) 20.3 μg/m3 (19) 7.9 μg/m3 (33) 44.0
 
April 13, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) 0.2 ppb (3) 13.2 μg/m3 (13) 6.7 μg/m3 (28) 46.0
 
April 13, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) 0.2 ppb (3) 15.4 μg/m3 (15) 5.2 μg/m3 (22) 43.0
 
April 13, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) 0.2 ppb (3) 32.4 μg/m3 (30) 7.1 μg/m3 (30) 42.0
 
April 13, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) 0.2 ppb (3) 28.7 μg/m3 (27) 7.7 μg/m3 (33) 38.0
 
April 13, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) 0.2 ppb (3) 34.4 μg/m3 (32) 8.2 μg/m3 (35) 35.0
 
April 13, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.3 ppb (4) 69.6 μg/m3 (59) 13.6 μg/m3 (55) 59.0
 
April 13, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) 0.7 ppb (8) 106.1 μg/m3 (77) 20.1 μg/m3 (68) 77.0
 
April 13, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 0.8 ppb (10) 57.2 μg/m3 (53) 14.4 μg/m3 (56) 56.0
 
April 13, 2021, noon N/A N/A N/A N/A N/A N/A 5.0 ppb (5) 0.6 ppb (7) 53.3 μg/m3 (50) 10.0 μg/m3 (42) 50.0
 
April 13, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) 0.3 ppb (4) 23.7 μg/m3 (22) 3.2 μg/m3 (14) 22.0
 
April 13, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) 0.2 ppb (3) 17.0 μg/m3 (16) 5.5 μg/m3 (23) 32.0
 
April 13, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) 0.1 ppb (2) 20.4 μg/m3 (19) 7.3 μg/m3 (31) 35.0