ID: 2085

AQSQID: 040278011

Site Name: Yuma Supersite

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

Updated: July 25, 2021, 9:54 a.m.

Location: Yuma (Arc Center), AZ

Reporting: True, Located: True

Current AQI: 34.0

Yuma (Arc Center) AZ, US: 32.690277, -114.614441

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 25, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 14.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
July 25, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 19.0 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
July 25, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 25.0 μg/m3 (24) 8.0 μg/m3 (34) 34.0
 
July 25, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 22.0 μg/m3 (21) 6.0 μg/m3 (25) 25.0
 
July 25, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 29.0 μg/m3 (27) 8.0 μg/m3 (34) 34.0
 
July 25, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 20.0 μg/m3 (19) 5.0 μg/m3 (21) 25.0
 
July 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 34.0 μg/m3 (32) 4.0 μg/m3 (17) 32.0
 
July 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 35.0 μg/m3 (33) 6.0 μg/m3 (25) 33.0
 
July 25, 2021, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 34.0 μg/m3 (32) 8.0 μg/m3 (34) 34.0
 
July 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 29.0 μg/m3 (27) 7.0 μg/m3 (30) 31.0
 
July 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 44.0 μg/m3 (41) 6.0 μg/m3 (25) 41.0
 
July 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 41.0 μg/m3 (38) 5.0 μg/m3 (21) 38.0
 
July 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 29.0 μg/m3 (27) 6.0 μg/m3 (25) 38.0
 
July 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 42.0 μg/m3 (39) 6.0 μg/m3 (25) 39.0
 
July 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 45.0 μg/m3 (42) 11.0 μg/m3 (46) 46.0
 
July 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 62.0 μg/m3 (55) 7.0 μg/m3 (30) 55.0
 
July 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 66.0 μg/m3 (57) 5.0 μg/m3 (21) 57.0
 
July 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 64.0 μg/m3 (56) 7.0 μg/m3 (30) 56.0
 
July 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 42.0 μg/m3 (39) 6.0 μg/m3 (25) 39.0
 
July 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 46.0 μg/m3 (43) 4.0 μg/m3 (17) 43.0
 
July 24, 2021, noon N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 19.0 μg/m3 (18) 5.0 μg/m3 (21) 35.0
 
July 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 13.0 μg/m3 (13) 4.0 μg/m3 (17) 37.0
 
July 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 16.0 μg/m3 (15) 6.0 μg/m3 (25) 38.0
 
July 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 53.0 μg/m3 (50) 7.0 μg/m3 (30) 50.0
 
July 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 38.0 μg/m3 (36) 9.0 μg/m3 (38) 39.0
 
July 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 23.0 μg/m3 (22) 8.0 μg/m3 (34) 34.0
 
July 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 18.0 μg/m3 (17) 8.0 μg/m3 (34) 34.0
 
July 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 18.0 μg/m3 (17) 9.0 μg/m3 (38) 38.0
 
July 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 23.0 μg/m3 (22) 14.0 μg/m3 (55) 55.0
 
July 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 22.0 μg/m3 (21) 6.0 μg/m3 (25) 27.0
 
July 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 24.0 μg/m3 (23) 6.0 μg/m3 (25) 26.0
 
July 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 24.0 μg/m3 (23) 8.0 μg/m3 (34) 34.0
 
July 24, 2021, midnight N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 23.0 μg/m3 (22) 15.0 μg/m3 (58) 58.0
 
July 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 24.0 μg/m3 (23) 6.0 μg/m3 (25) 25.0
 
July 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 25.0 μg/m3 (24) 8.0 μg/m3 (34) 34.0
 
July 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 27.0 μg/m3 (25) 6.0 μg/m3 (25) 26.0
 
July 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 42.0 μg/m3 (39) 7.0 μg/m3 (30) 39.0
 
July 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 29.0 μg/m3 (27) 9.0 μg/m3 (38) 38.0
 
July 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 25.0 μg/m3 (24) 8.0 μg/m3 (34) 34.0
 
July 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 61.0 μg/m3 (54) 7.0 μg/m3 (30) 54.0
 
July 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 7.0 μg/m3 (30) 30.0
 
July 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 33.0 μg/m3 (31) 8.0 μg/m3 (34) 34.0
 
July 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 35.0 μg/m3 (33) 7.0 μg/m3 (30) 33.0
 
July 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 25.0 μg/m3 (24) 11.0 μg/m3 (46) 46.0
 
July 23, 2021, noon N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 24.0 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
July 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 18.0 μg/m3 (17) 8.0 μg/m3 (34) 34.0
 
July 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 18.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
July 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 17.0 μg/m3 (16) 12.0 μg/m3 (50) 50.0
 
July 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 16.0 μg/m3 (15) 6.0 μg/m3 (25) 27.0
 
July 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 19.0 μg/m3 (18) 5.0 μg/m3 (21) 28.0
 
July 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 24.0 μg/m3 (23) 7.0 μg/m3 (30) 30.0
 
July 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 22.0 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
July 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 27.0 μg/m3 (25) 8.0 μg/m3 (34) 34.0
 
July 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 27.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
July 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 29.0 μg/m3 (27) 11.0 μg/m3 (46) 46.0
 
July 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 29.0 μg/m3 (27) 8.0 μg/m3 (34) 34.0
 
July 23, 2021, midnight N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 36.0 μg/m3 (34) 7.0 μg/m3 (30) 34.0
 
July 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 28.0 μg/m3 (26) 8.0 μg/m3 (34) 35.0
 
July 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 25.0 μg/m3 (24) 7.0 μg/m3 (30) 33.0
 
July 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 28.0 μg/m3 (26) 8.0 μg/m3 (34) 34.0
 
July 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 24.0 μg/m3 (23) 13.0 μg/m3 (53) 53.0
 
July 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 31.0 μg/m3 (29) 7.0 μg/m3 (30) 31.0
 
July 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 33.0 μg/m3 (31) 6.0 μg/m3 (25) 33.0
 
July 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 51.0 μg/m3 (48) 9.0 μg/m3 (38) 48.0
 
July 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 48.0 μg/m3 (45) 8.0 μg/m3 (34) 45.0
 
July 22, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 30.0 μg/m3 (28) 6.0 μg/m3 (25) 34.0
 
July 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 35.0 μg/m3 (33) 10.0 μg/m3 (42) 42.0
 
July 22, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 33.0 μg/m3 (31) 6.0 μg/m3 (25) 36.0
 
July 22, 2021, noon N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 25.0 μg/m3 (24) 6.0 μg/m3 (25) 36.0
 
July 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 20.0 μg/m3 (19) 9.0 μg/m3 (38) 38.0
 
July 22, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 20.0 μg/m3 (19) 4.0 μg/m3 (17) 33.0
 
July 22, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 19.0 μg/m3 (18) 4.0 μg/m3 (17) 30.0
 
July 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 32.0
 
July 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 23.0 μg/m3 (22) 8.0 μg/m3 (34) 34.0
 
July 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 55.0 μg/m3 (51) 10.0 μg/m3 (42) 51.0
 
July 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 55.0 μg/m3 (51) 12.0 μg/m3 (50) 51.0
 
July 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 48.0 μg/m3 (45) 7.0 μg/m3 (30) 45.0
 
July 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 23.0 μg/m3 (22) 6.0 μg/m3 (25) 42.0
 
July 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 12.0 μg/m3 (12) 5.0 μg/m3 (21) 44.0
 
July 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 16.0 μg/m3 (15) 6.0 μg/m3 (25) 41.0
 
July 22, 2021, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 11.0 μg/m3 (11) 5.0 μg/m3 (21) 42.0
 
July 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 13.0 μg/m3 (13) 5.0 μg/m3 (21) 42.0
 
July 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 18.0 μg/m3 (17) 4.0 μg/m3 (17) 43.0
 
July 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 16.0 μg/m3 (15) 7.0 μg/m3 (30) 43.0
 
July 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 45.0 μg/m3 (42) 5.0 μg/m3 (21) 42.0
 
July 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 42.0 μg/m3 (39) 4.0 μg/m3 (17) 41.0
 
July 21, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 28.0 μg/m3 (26) 4.0 μg/m3 (17) 40.0
 
July 21, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 24.0 μg/m3 (23) 6.0 μg/m3 (25) 41.0
 
July 21, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 22.0 μg/m3 (21) 8.0 μg/m3 (34) 41.0
 
July 21, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 24.0 μg/m3 (23) 5.0 μg/m3 (21) 38.0
 
July 21, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 30.0 μg/m3 (28) 6.0 μg/m3 (25) 28.0
 
July 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 24.0 μg/m3 (23) 6.0 μg/m3 (25) 25.0
 
July 21, 2021, noon N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 22.0 μg/m3 (21) 2.0 μg/m3 (9) 23.0
 
July 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 17.0 μg/m3 (16) 4.0 μg/m3 (17) 22.0
 
July 21, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 17.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
July 21, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 8.0 μg/m3 (8) 4.0 μg/m3 (17) 24.0
 
July 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 17.0 μg/m3 (16) 4.0 μg/m3 (17) 23.0
 
July 21, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 17.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
July 21, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 22.0 μg/m3 (21) 9.0 μg/m3 (38) 38.0
 
July 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 118.0 μg/m3 (83) 11.0 μg/m3 (46) 83.0
 
July 21, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 58.0 μg/m3 (53) 7.0 μg/m3 (30) 53.0
 
July 21, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 85.0 μg/m3 (66) 8.0 μg/m3 (34) 66.0
 
July 21, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 36.0 μg/m3 (34) 11.0 μg/m3 (46) 47.0
 
July 21, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 35.0 μg/m3 (33) 5.0 μg/m3 (21) 49.0
 
July 21, 2021, midnight N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 40.0 μg/m3 (38) 5.0 μg/m3 (21) 49.0
 
July 20, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 33.0 μg/m3 (31) 6.0 μg/m3 (25) 49.0
 
July 20, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 28.0 μg/m3 (26) 5.0 μg/m3 (21) 49.0
 
July 20, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 34.0 μg/m3 (32) 7.0 μg/m3 (30) 44.0
 
July 20, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (33) 8.0 μg/m3 (34) 34.0
 
July 20, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 56.0 μg/m3 (52) 7.0 μg/m3 (30) 52.0
 
July 20, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 58.0 μg/m3 (53) 9.0 μg/m3 (38) 53.0
 
July 20, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 53.0 μg/m3 (50) 4.0 μg/m3 (17) 50.0
 
July 20, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 53.0 μg/m3 (50) 5.0 μg/m3 (21) 50.0
 
July 20, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 38.0 μg/m3 (36) 7.0 μg/m3 (30) 36.0
 
July 20, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 38.0 μg/m3 (36) 8.0 μg/m3 (34) 36.0
 
July 20, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 27.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
July 20, 2021, noon N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 23.0 μg/m3 (22) 9.0 μg/m3 (38) 38.0
 
July 20, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 22.0 μg/m3 (21) 4.0 μg/m3 (17) 23.0
 
July 20, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 23.0 μg/m3 (22) 6.0 μg/m3 (25) 25.0
 
July 20, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 19.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
July 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 19.0 μg/m3 (18) 8.0 μg/m3 (34) 34.0
 
July 20, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 19.0 μg/m3 (18) 5.0 μg/m3 (21) 25.0
 
July 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 18.0 μg/m3 (17) 4.0 μg/m3 (17) 25.0
 
July 20, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 20.0 μg/m3 (19) 8.0 μg/m3 (34) 34.0
 
July 20, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 19.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
July 20, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 22.0 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
July 20, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 25.0 μg/m3 (24) 4.0 μg/m3 (17) 24.0
 
July 20, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 22.0 μg/m3 (21) 7.0 μg/m3 (30) 30.0
 
July 20, 2021, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 39.0 μg/m3 (37) 9.0 μg/m3 (38) 38.0
 
July 19, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 17.0 μg/m3 (16) 4.0 μg/m3 (17) 33.0
 
July 19, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 19.0 μg/m3 (18) 4.0 μg/m3 (17) 33.0
 
July 19, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 18.0 μg/m3 (17) 6.0 μg/m3 (25) 33.0
 
July 19, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 20.0 μg/m3 (19) 5.0 μg/m3 (21) 32.0
 
July 19, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 22.0 μg/m3 (21) 7.0 μg/m3 (30) 31.0
 
July 19, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 27.0 μg/m3 (25) 8.0 μg/m3 (34) 34.0
 
July 19, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 30.0 μg/m3 (28) 6.0 μg/m3 (25) 36.0
 
July 19, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 27.0 μg/m3 (25) 7.0 μg/m3 (30) 32.0
 
July 19, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 46.0 μg/m3 (43) 8.0 μg/m3 (34) 43.0
 
July 19, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 46.0 μg/m3 (43) 6.0 μg/m3 (25) 43.0
 
July 19, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 67.0 μg/m3 (57) 6.0 μg/m3 (25) 57.0
 
July 19, 2021, noon N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 23.0 μg/m3 (22) 9.0 μg/m3 (38) 38.0
 
July 19, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 31.0 μg/m3 (29) 7.0 μg/m3 (30) 30.0
 
July 19, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 22.0 μg/m3 (21) 6.0 μg/m3 (25) 25.0
 
July 19, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 16.0 μg/m3 (15) 7.0 μg/m3 (30) 30.0
 
July 19, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 19.0 μg/m3 (18) 5.0 μg/m3 (21) 25.0
 
July 19, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 19.0 μg/m3 (18) 6.0 μg/m3 (25) 26.0
 
July 19, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 18.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
July 19, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 18.0 μg/m3 (17) 9.0 μg/m3 (38) 38.0
 
July 19, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 20.0 μg/m3 (19) 8.0 μg/m3 (34) 34.0
 
July 19, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 29.0 μg/m3 (27) 5.0 μg/m3 (21) 27.0
 
July 19, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 19.0 μg/m3 (18) 5.0 μg/m3 (21) 24.0
 
July 19, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 13.0 μg/m3 (13) 7.0 μg/m3 (30) 30.0
 
July 19, 2021, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 14.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
July 18, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 18.0 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
July 18, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 17.0 μg/m3 (16) 12.0 μg/m3 (50) 50.0
 
July 18, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 19.0 μg/m3 (18) 11.0 μg/m3 (46) 46.0
 
July 18, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 17.0 μg/m3 (16) 8.0 μg/m3 (34) 34.0
 
July 18, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 17.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
July 18, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 25.0
 
July 18, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 13.0 μg/m3 (13) 2.0 μg/m3 (9) 25.0
 
July 18, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 11.0 μg/m3 (11) 2.0 μg/m3 (9) 23.0
 
July 18, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 22.0 μg/m3 (21) 5.0 μg/m3 (21) 23.0
 
July 18, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 29.0 μg/m3 (27) 5.0 μg/m3 (21) 27.0
 
July 18, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 9.0 μg/m3 (9) 5.0 μg/m3 (21) 23.0
 
July 18, 2021, noon N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 11.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
July 18, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 17.0 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
July 18, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 3.0 μg/m3 (13) 17.0
 
July 18, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0