ID: 1231

AQSQID: 191530030

Site Name: Carpenter

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

Updated: June 23, 2021, 7:53 p.m.

Location: Des Moines (King Irving), IA

Reporting: True, Located: True

Current AQI: 46.0

Des Moines (King Irving) IA, US: 41.6031, -93.643303

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
June 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 5.0 μg/m3 (21) 46.0
 
June 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 6.0 μg/m3 (25) 44.0
 
June 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 4.0 μg/m3 (17) 43.0
 
June 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 6.0 μg/m3 (25) 41.0
 
June 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
June 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 0.0 μg/m3 (0) 33.0
 
June 23, 2021, noon N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
June 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A -2.0 μg/m3 (0) 23.0
 
June 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 2.0 μg/m3 (9) 23.0
 
June 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
June 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 3.0 μg/m3 (13) 28.0
 
June 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A -2.0 μg/m3 (0) 30.0
 
June 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A -1.0 μg/m3 (0) 34.0
 
June 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 0.0 μg/m3 (0) 36.0
 
June 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 2.0 μg/m3 (9) 34.0
 
June 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 2.0 μg/m3 (9) 35.0
 
June 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 5.0 μg/m3 (21) 31.0
 
June 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 0.0 μg/m3 (0) 25.0
 
June 23, 2021, midnight N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 5.0 μg/m3 (21) 27.0
 
June 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
June 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 11.0 μg/m3 (46) 46.0
 
June 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 9.0 μg/m3 (38) 38.0
 
June 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A N/A 36.0
 
June 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 0.0 μg/m3 (0) 33.0
 
June 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 5.0 μg/m3 (21) 36.0
 
June 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 6.0 μg/m3 (25) 31.0
 
June 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 91.0 μg/m3 (170) 170.0
 
June 22, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 4.0 μg/m3 (17) 37.0
 
June 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 5.0 μg/m3 (21) 32.0
 
June 22, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.0 μg/m3 (17) 26.0
 
June 22, 2021, noon N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 3.0 μg/m3 (13) 21.0
 
June 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 0.0 μg/m3 (0) 17.0
 
June 22, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 5.0 μg/m3 (21) 21.0
 
June 22, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 4.0 μg/m3 (17) 19.0
 
June 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 3.0 μg/m3 (13) 16.0
 
June 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 2.0 μg/m3 (9) 11.0
 
June 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 3.0 μg/m3 (13) 13.0
 
June 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A -1.0 μg/m3 (0) 16.0
 
June 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 2.0 μg/m3 (9) 23.0
 
June 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 4.0 μg/m3 (17) 27.0
 
June 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 1.0 μg/m3 (5) 32.0
 
June 22, 2021, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 5.0 μg/m3 (21) 36.0
 
June 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 0.0 μg/m3 (0) 37.0
 
June 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A -2.0 μg/m3 (0) 37.0
 
June 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A -1.0 μg/m3 (0) 37.0
 
June 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 0.0 μg/m3 (0) 37.0
 
June 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 0.0 μg/m3 (0) 36.0
 
June 21, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 0.0 μg/m3 (0) 34.0
 
June 21, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A -1.0 μg/m3 (0) 33.0
 
June 21, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A -1.0 μg/m3 (0) 30.0
 
June 21, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A -3.0 μg/m3 (0) 27.0
 
June 21, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 1.0 μg/m3 (5) 25.0
 
June 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A -3.0 μg/m3 (0) 22.0
 
June 21, 2021, noon N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 2.0 μg/m3 (9) 21.0
 
June 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 2.0 μg/m3 (9) 21.0
 
June 21, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A N/A 24.0
 
June 21, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 0.0
June 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A -2.0 μg/m3 (0) 31.0
 
June 21, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 1.0 μg/m3 (5) 35.0
 
June 21, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 2.0 μg/m3 (9) 35.0
 
June 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A -1.0 μg/m3 (0) 32.0
 
June 21, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 0.0 μg/m3 (0) 33.0
 
June 21, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 2.0 μg/m3 (9) 34.0
 
June 21, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 3.0 μg/m3 (13) 33.0
 
June 21, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 4.0 μg/m3 (17) 41.0
 
June 21, 2021, midnight N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 5.0 μg/m3 (21) 48.0
 
June 20, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 13.0 μg/m3 (53) 55.0
 
June 20, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 0.0 μg/m3 (0) 46.0
 
June 20, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 9.0 μg/m3 (38) 41.0
 
June 20, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 14.0 μg/m3 (55) 55.0
 
June 20, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 7.0 μg/m3 (30) 44.0
 
June 20, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 10.0 μg/m3 (42) 43.0
 
June 20, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 10.0 μg/m3 (42) 42.0
 
June 20, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 11.0 μg/m3 (46) 46.0
 
June 20, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
June 20, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 4.0 μg/m3 (17) 39.0
 
June 20, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 6.0 μg/m3 (25) 41.0
 
June 20, 2021, noon N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 5.0 μg/m3 (21) 42.0
 
June 20, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 4.0 μg/m3 (17) 40.0
 
June 20, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 1.0 μg/m3 (5) 40.0
 
June 20, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
June 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 3.0 μg/m3 (13) 31.0
 
June 20, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 3.0 μg/m3 (13) 30.0
 
June 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 1.0 μg/m3 (5) 30.0
 
June 20, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 0.0 μg/m3 (0) 30.0
 
June 20, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 5.0 μg/m3 (21) 30.0
 
June 20, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 6.0 μg/m3 (25) 29.0
 
June 20, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 7.0 μg/m3 (30) 30.0
 
June 20, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 0.0 μg/m3 (0) 38.0
 
June 20, 2021, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 2.0 μg/m3 (9) 44.0
 
June 19, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 2.0 μg/m3 (9) 48.0
 
June 19, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 5.0 μg/m3 (21) 51.0
 
June 19, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 5.0 μg/m3 (21) 50.0
 
June 19, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 1.0 μg/m3 (5) 50.0
 
June 19, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 4.0 μg/m3 (17) 55.0
 
June 19, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 4.0 μg/m3 (17) 55.0
 
June 19, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 8.0 μg/m3 (34) 49.0
 
June 19, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 3.0 μg/m3 (13) 46.0
 
June 19, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 1.0 μg/m3 (5) 42.0
 
June 19, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 3.0 μg/m3 (13) 40.0
 
June 19, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 9.0 μg/m3 (38) 38.0
 
June 19, 2021, noon N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 2.0 μg/m3 (9) 34.0
 
June 19, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 0.0 μg/m3 (0) 32.0
 
June 19, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 4.0 μg/m3 (17) 31.0
 
June 19, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
June 19, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 9.0 μg/m3 (38) 38.0
 
June 19, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 5.0 μg/m3 (21) 40.0
 
June 19, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 6.0 μg/m3 (25) 44.0
 
June 19, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 15.0 μg/m3 (58) 58.0
 
June 19, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 12.0 μg/m3 (50) 50.0
 
June 19, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 13.0 μg/m3 (53) 53.0
 
June 19, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 12.0 μg/m3 (50) 50.0
 
June 19, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 5.0 μg/m3 (21) 51.0
 
June 19, 2021, midnight N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A 5.0 μg/m3 (21) 65.0
 
June 18, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A N/A 3.0 μg/m3 (13) 71.0
 
June 18, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A N/A 7.0 μg/m3 (30) 81.0
 
June 18, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) N/A N/A 7.0 μg/m3 (30) 84.0
 
June 18, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (91) N/A N/A 2.0 μg/m3 (9) 91.0
 
June 18, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (97) N/A N/A 11.0 μg/m3 (46) 97.0
 
June 18, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A N/A 0.0 μg/m3 (0) 58.0
 
June 18, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 5.0 μg/m3 (21) 50.0
 
June 18, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A N/A 10.0 μg/m3 (42) 58.0
 
June 18, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 10.0 μg/m3 (42) 46.0
 
June 18, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A N/A 34.0
 
June 18, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 9.0 μg/m3 (38) 38.0
 
June 18, 2021, noon N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 6.0 μg/m3 (25) 37.0
 
June 18, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 8.0 μg/m3 (34) 34.0
 
June 18, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 9.0 μg/m3 (38) 38.0
 
June 18, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 18, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 8.0 μg/m3 (34) 36.0
 
June 18, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 8.0 μg/m3 (34) 39.0
 
June 18, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 11.0 μg/m3 (46) 46.0
 
June 18, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 10.0 μg/m3 (42) 49.0
 
June 18, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 9.0 μg/m3 (38) 55.0
 
June 18, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A N/A 12.0 μg/m3 (50) 58.0
 
June 18, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A N/A 7.0 μg/m3 (30) 68.0
 
June 18, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A N/A 9.0 μg/m3 (38) 71.0
 
June 18, 2021, midnight N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A N/A 1.0 μg/m3 (5) 74.0
 
June 17, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A N/A 5.0 μg/m3 (21) 74.0
 
June 17, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A N/A 10.0 μg/m3 (42) 81.0
 
June 17, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A N/A 3.0 μg/m3 (13) 81.0
 
June 17, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A N/A 9.0 μg/m3 (38) 74.0
 
June 17, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A 10.0 μg/m3 (42) 65.0
 
June 17, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A N/A 7.0 μg/m3 (30) 58.0
 
June 17, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 13.0 μg/m3 (53) 53.0
 
June 17, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 11.0 μg/m3 (46) 48.0
 
June 17, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A N/A 42.0
 
June 17, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 22.0 μg/m3 (72) 72.0
 
June 17, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 11.0 μg/m3 (46) 46.0
 
June 17, 2021, noon N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 10.0 μg/m3 (42) 42.0
 
June 17, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 6.0 μg/m3 (25) 31.0
 
June 17, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 3.0 μg/m3 (13) 33.0
 
June 17, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
June 17, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 8.0 μg/m3 (34) 39.0
 
June 17, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 14.0 μg/m3 (55) 55.0
 
June 17, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 7.0 μg/m3 (30) 45.0
 
June 17, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 9.0 μg/m3 (38) 41.0
 
June 17, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 8.0 μg/m3 (34) 39.0
 
June 17, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 11.0 μg/m3 (46) 46.0
 
June 17, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 8.0 μg/m3 (34) 39.0
 
June 17, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 6.0 μg/m3 (25) 45.0
 
June 17, 2021, midnight N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 3.0 μg/m3 (13) 49.0
 
June 16, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 3.0 μg/m3 (13) 50.0
 
June 16, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 7.0 μg/m3 (30) 50.0
 
June 16, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 8.0 μg/m3 (34) 50.0
 
June 16, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 8.0 μg/m3 (34) 50.0
 
June 16, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 11.0 μg/m3 (46) 48.0