ID: 2094

AQSQID: 040071001

Site Name: Hayden

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

Updated: Aug. 1, 2021, 4:54 a.m.

Location: Hayden (Cyn Dr), AZ

Reporting: True, Located: True

Current AQI: 5.0

Hayden (Cyn Dr) AZ, US: 33.006268, -110.786484

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 25, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (11) N/A 11.0
 
July 25, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (12) N/A 12.0
 
July 25, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 3.0 μg/m3 (3) N/A 3.0
 
July 25, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (3) N/A 3.0
 
July 24, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 2.0 μg/m3 (2) N/A 2.0
 
July 24, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 5.0 μg/m3 (5) N/A 5.0
 
July 24, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
July 24, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) N/A 5.0
 
July 24, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (3) N/A 3.0
 
July 24, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (3) N/A 3.0
 
July 24, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
July 24, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
July 24, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
July 24, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
July 24, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
July 24, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (9) N/A 9.0
 
July 24, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
July 24, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 11.0 μg/m3 (11) N/A 11.0
 
July 24, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
July 24, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
July 24, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
July 24, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
July 24, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
July 24, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
July 24, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
July 24, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
July 24, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (3) N/A 3.0
 
July 24, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
July 23, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 11.0 μg/m3 (11) N/A 11.0
 
July 23, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (3) N/A 3.0
 
July 23, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
July 23, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (9) N/A 9.0
 
July 23, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (9) N/A 9.0
 
July 23, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
July 23, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (9) N/A 9.0
 
July 23, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (9) N/A 9.0
 
July 23, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (9) N/A 9.0
 
July 23, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
July 23, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 9.0 μg/m3 (9) N/A 9.0
 
July 23, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
July 23, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
July 23, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (9) N/A 9.0
 
July 23, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (12) N/A 12.0
 
July 23, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (9) N/A 9.0
 
July 23, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (13) N/A 13.0
 
July 23, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 16.0 μg/m3 (15) N/A 15.0
 
July 23, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 106.0 μg/m3 (77) N/A 77.0
 
July 23, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 445.0 μg/m3 (327) N/A 327.0
 
July 23, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 52.0 μg/m3 (49) N/A 49.0
 
July 23, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 25.0 μg/m3 (24) N/A 24.0
 
July 23, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 19.0 μg/m3 (18) N/A 18.0
 
July 23, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 18.0 μg/m3 (17) N/A 17.0
 
July 22, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 19.0 μg/m3 (18) N/A 18.0
 
July 22, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 25.0 μg/m3 (24) N/A 24.0
 
July 22, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 28.0 μg/m3 (26) N/A 26.0
 
July 22, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 25.0 μg/m3 (24) N/A 24.0
 
July 22, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
July 22, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
July 22, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
July 22, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
July 22, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
July 22, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 17.0 μg/m3 (16) N/A 16.0
 
July 22, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 17.0 μg/m3 (16) N/A 16.0
 
July 22, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (18) N/A 18.0
 
July 22, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 17.0 μg/m3 (16) N/A 16.0
 
July 22, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 12.0 μg/m3 (12) N/A 12.0
 
July 22, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
July 22, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (12) N/A 12.0
 
July 22, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
July 22, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
July 22, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (16) N/A 16.0
 
July 22, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
July 22, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 77.0 μg/m3 (62) N/A 62.0
 
July 22, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 39.0 μg/m3 (37) N/A 37.0
 
July 22, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 45.0 μg/m3 (42) N/A 42.0
 
July 22, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 66.0 μg/m3 (57) N/A 57.0
 
July 21, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 22.0 μg/m3 (21) N/A 21.0
 
July 21, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 27.0 μg/m3 (25) N/A 25.0
 
July 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) N/A 18.0
 
July 21, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 17.0 μg/m3 (16) N/A 16.0
 
July 21, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 23.0 μg/m3 (22) N/A 22.0
 
July 21, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 38.0 μg/m3 (36) N/A 36.0
 
July 21, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 23.0 μg/m3 (22) N/A 22.0
 
July 21, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (16) N/A 16.0
 
July 21, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 11.0 μg/m3 (11) N/A 11.0
 
July 21, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
July 21, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 18.0 μg/m3 (17) N/A 17.0
 
July 21, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (16) N/A 16.0
 
July 21, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (16) N/A 16.0
 
July 21, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (17) N/A 17.0
 
July 21, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 11.0 μg/m3 (11) N/A 11.0
 
July 21, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
July 21, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) N/A 15.0
 
July 21, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 16.0 μg/m3 (15) N/A 15.0
 
July 21, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
July 21, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (11) N/A 11.0
 
July 21, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 12.0 μg/m3 (12) N/A 12.0
 
July 21, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
July 21, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 134.0 μg/m3 (91) N/A 91.0
 
July 21, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 22.0 μg/m3 (21) N/A 21.0
 
July 20, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
July 20, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 13.0 μg/m3 (13) N/A 13.0
 
July 20, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
July 20, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 12.0 μg/m3 (12) N/A 12.0
 
July 20, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 28.0 μg/m3 (26) N/A 26.0
 
July 20, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 17.0 μg/m3 (16) N/A 16.0
 
July 20, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 30.0 μg/m3 (28) N/A 28.0
 
July 20, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 11.0 μg/m3 (11) N/A 11.0
 
July 20, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) N/A 15.0
 
July 20, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
July 20, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
July 20, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
July 20, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (9) N/A 9.0
 
July 20, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
July 20, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
July 20, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) N/A 15.0
 
July 20, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
July 20, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 18.0 μg/m3 (17) N/A 17.0
 
July 20, 2021, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 12.0 μg/m3 (12) N/A 12.0
 
July 20, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (17) N/A 17.0
 
July 20, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 19.0 μg/m3 (18) N/A 18.0
 
July 20, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
July 20, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
July 20, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
July 19, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (9) N/A 9.0
 
July 19, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 75.0 μg/m3 (61) N/A 61.0
 
July 19, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (11) N/A 11.0
 
July 19, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 67.0 μg/m3 (57) N/A 57.0
 
July 19, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (18) N/A 18.0
 
July 19, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
July 19, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
July 19, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
July 19, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) N/A 5.0
 
July 19, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
July 19, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
July 19, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (3) N/A 3.0
 
July 19, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (3) N/A 3.0
 
July 19, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
July 19, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
July 19, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
July 19, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
July 19, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (9) N/A 9.0
 
July 19, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
July 19, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (13) N/A 13.0
 
July 19, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
July 19, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
July 19, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
July 19, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
July 18, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
July 18, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
July 18, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
July 18, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
July 18, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
July 18, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
July 18, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (9) N/A 9.0
 
July 18, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (9) N/A 9.0
 
July 18, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (11) N/A 11.0
 
July 18, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (12) N/A 12.0
 
July 18, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (11) N/A 11.0
 
July 18, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (18) N/A 18.0
 
July 18, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 9.0 μg/m3 (9) N/A 9.0
 
July 18, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (11) N/A 11.0
 
July 18, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (9) N/A 9.0
 
July 18, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 16.0 μg/m3 (15) N/A 15.0
 
July 18, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (11) N/A 11.0
 
July 18, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (12) N/A 12.0
 
July 18, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (11) N/A 11.0
 
July 18, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 9.0 μg/m3 (9) N/A 9.0