ID: 335

AQSQID: 170310001

Site Name: Alsip

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

Updated: June 6, 2020, 8:33 p.m.

Location: Alsip (Howes Landing Boat Launch), IL

Reporting: True, Located: True

Current AQI: 18.0

Alsip (Howes Landing Boat Launch) IL, US: 41.6708, -87.7325

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
June 6, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.3 μg/m3 (18) 18.0
 
June 6, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.4 μg/m3 (23) 23.0
 
June 6, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.8 μg/m3 (16) 16.0
 
June 6, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.3 μg/m3 (18) 18.0
 
June 6, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.4 μg/m3 (23) 23.0
 
June 6, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.5 μg/m3 (31) 31.0
 
June 6, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.5 μg/m3 (35) 35.0
 
June 6, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (63) 63.0
 
June 6, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.2 μg/m3 (65) 65.0
 
June 6, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.4 μg/m3 (48) 48.0
 
June 6, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.8 μg/m3 (56) 56.0
 
June 6, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.2 μg/m3 (53) 53.0
 
June 6, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.9 μg/m3 (45) 45.0
 
June 6, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.6 μg/m3 (58) 58.0
 
June 6, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.7 μg/m3 (40) 40.0
 
June 6, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.7 μg/m3 (56) 56.0
 
June 6, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.4 μg/m3 (31) 31.0
 
June 6, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.7 μg/m3 (11) 11.0
 
June 6, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
June 6, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.1 μg/m3 (5) 5.0
 
June 5, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.1 μg/m3 (0) N/A
June 5, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.9 μg/m3 (4) 4.0
 
June 5, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.8 μg/m3 (0) N/A
June 5, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A
June 5, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.9 μg/m3 (8) 8.0
 
June 5, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.9 μg/m3 (8) 8.0
 
June 5, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.5 μg/m3 (23) 23.0
 
June 5, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.3 μg/m3 (43) 43.0
 
June 5, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.6 μg/m3 (15) 15.0
 
June 5, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.1 μg/m3 (17) 17.0
 
June 5, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.6 μg/m3 (19) 19.0
 
June 5, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.2 μg/m3 (30) 30.0
 
June 5, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.9 μg/m3 (29) 29.0
 
June 5, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
June 5, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.9 μg/m3 (12) 12.0
 
June 5, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.1 μg/m3 (9) 9.0
 
June 5, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.4 μg/m3 (23) 23.0
 
June 5, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.7 μg/m3 (24) 24.0
 
June 5, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.5 μg/m3 (40) 40.0
 
June 5, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.4 μg/m3 (48) 48.0
 
June 5, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.8 μg/m3 (37) 37.0
 
June 5, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.3 μg/m3 (26) 26.0
 
June 5, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.3 μg/m3 (35) 35.0
 
June 5, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.1 μg/m3 (46) 46.0
 
June 4, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.3 μg/m3 (57) 57.0
 
June 4, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.4 μg/m3 (48) 48.0
 
June 4, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.1 μg/m3 (34) 34.0
 
June 4, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.1 μg/m3 (25) 25.0
 
June 4, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.1 μg/m3 (34) 34.0
 
June 4, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (52) N/A N/A 5.5 μg/m3 (23) 52.0
 
June 4, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) N/A N/A 5.5 μg/m3 (23) 50.0
 
June 4, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 3.7 μg/m3 (15) 45.0
 
June 4, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 4.7 μg/m3 (20) 35.0
 
June 4, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 5.4 μg/m3 (23) 31.0
 
June 4, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 4.2 μg/m3 (18) 25.0
 
June 4, 2020, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 2.3 μg/m3 (10) 22.0
 
June 4, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 3.7 μg/m3 (15) 18.0
 
June 4, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 1.9 μg/m3 (8) 21.0
 
June 4, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A -0.1 μg/m3 (0) 23.0
 
June 4, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A -0.2 μg/m3 (0) 29.0
 
June 4, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 0.9 μg/m3 (4) 34.0
 
June 4, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 3.1 μg/m3 (13) 33.0
 
June 4, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 6.4 μg/m3 (27) 34.0
 
June 4, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 10.2 μg/m3 (42) 42.0
 
June 4, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 18.4 μg/m3 (64) 64.0
 
June 4, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 13.6 μg/m3 (53) 53.0
 
June 4, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 9.2 μg/m3 (38) 38.0
 
June 4, 2020, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 6.4 μg/m3 (27) 32.0
 
June 3, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 2.7 μg/m3 (11) 41.0
 
June 3, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 4.1 μg/m3 (17) 45.0
 
June 3, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 4.1 μg/m3 (17) 42.0
 
June 3, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 4.1 μg/m3 (17) 42.0
 
June 3, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 2.5 μg/m3 (10) 37.0
 
June 3, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 1.0 μg/m3 (4) 34.0
 
June 3, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A -0.4 μg/m3 (0) 33.0
 
June 3, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 0.3 μg/m3 (1) 25.0
 
June 3, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 0.3 μg/m3 (1) 26.0
 
June 3, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 1.9 μg/m3 (8) 28.0
 
June 3, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 1.7 μg/m3 (7) 27.0
 
June 3, 2020, noon N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 2.6 μg/m3 (11) 24.0
 
June 3, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 4.6 μg/m3 (19) 21.0
 
June 3, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 6.3 μg/m3 (26) 26.0
 
June 3, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 4.9 μg/m3 (20) 26.0
 
June 3, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 3.6 μg/m3 (15) 28.0
 
June 3, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 6.4 μg/m3 (27) 33.0
 
June 3, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 11.6 μg/m3 (48) 48.0
 
June 3, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 7.7 μg/m3 (32) 32.0
 
June 3, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 7.3 μg/m3 (30) 35.0
 
June 3, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 9.3 μg/m3 (39) 39.0
 
June 3, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 8.7 μg/m3 (36) 40.0
 
June 3, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 6.5 μg/m3 (27) 44.0
 
June 3, 2020, midnight N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 7.3 μg/m3 (30) 45.0
 
June 2, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A N/A 6.5 μg/m3 (27) 48.0
 
June 2, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) N/A N/A 4.0 μg/m3 (17) 50.0
 
June 2, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) N/A N/A 6.6 μg/m3 (28) 50.0
 
June 2, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (52) N/A N/A 8.7 μg/m3 (36) 52.0
 
June 2, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 72.0 ppb (56) N/A N/A 9.4 μg/m3 (39) 56.0
 
June 2, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (52) N/A N/A 7.8 μg/m3 (32) 52.0
 
June 2, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A N/A 7.6 μg/m3 (32) 47.0
 
June 2, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 5.2 μg/m3 (22) 45.0
 
June 2, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 6.6 μg/m3 (28) 41.0
 
June 2, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 9.9 μg/m3 (41) 41.0
 
June 2, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 12.1 μg/m3 (50) 50.0
 
June 2, 2020, noon N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 2.5 μg/m3 (10) 23.0
 
June 2, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 3.8 μg/m3 (16) 21.0
 
June 2, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 5.3 μg/m3 (22) 23.0
 
June 2, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 4.3 μg/m3 (18) 26.0
 
June 2, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 2.4 μg/m3 (10) 27.0
 
June 2, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 2.8 μg/m3 (12) 28.0
 
June 2, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 4.1 μg/m3 (17) 28.0
 
June 2, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 3.6 μg/m3 (15) 30.0
 
June 2, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 4.6 μg/m3 (19) 32.0
 
June 2, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 5.3 μg/m3 (22) 32.0
 
June 2, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 5.3 μg/m3 (22) 32.0
 
June 2, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 4.2 μg/m3 (18) 35.0
 
June 2, 2020, midnight N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 2.9 μg/m3 (12) 38.0
 
June 1, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 3.3 μg/m3 (14) 40.0
 
June 1, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 2.5 μg/m3 (10) 41.0
 
June 1, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 3.1 μg/m3 (13) 38.0
 
June 1, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 4.8 μg/m3 (20) 36.0
 
June 1, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 5.1 μg/m3 (21) 35.0
 
June 1, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 6.7 μg/m3 (28) 31.0
 
June 1, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 6.2 μg/m3 (26) 31.0
 
June 1, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 5.8 μg/m3 (24) 26.0
 
June 1, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 3.9 μg/m3 (16) 24.0
 
June 1, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 4.3 μg/m3 (18) 23.0
 
June 1, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 3.7 μg/m3 (15) 22.0
 
June 1, 2020, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 4.1 μg/m3 (17) 20.0
 
June 1, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 3.9 μg/m3 (16) 16.0
 
June 1, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 3.6 μg/m3 (15) 15.0
 
June 1, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 3.6 μg/m3 (15) 15.0
 
June 1, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 4.3 μg/m3 (18) 18.0
 
June 1, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 4.9 μg/m3 (20) 20.0
 
June 1, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 6.8 μg/m3 (28) 28.0
 
June 1, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 11.9 μg/m3 (50) 50.0
 
June 1, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 16.7 μg/m3 (60) 60.0
 
June 1, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 5.1 μg/m3 (21) 21.0
 
June 1, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 5.7 μg/m3 (24) 24.0
 
June 1, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 7.4 μg/m3 (31) 31.0
 
June 1, 2020, midnight N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 1.5 μg/m3 (6) 21.0
 
May 31, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A -1.5 μg/m3 (0) 25.0
 
May 31, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 1.3 μg/m3 (5) 28.0
 
May 31, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 2.6 μg/m3 (11) 30.0
 
May 31, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 3.4 μg/m3 (14) 32.0
 
May 31, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 2.4 μg/m3 (10) 33.0
 
May 31, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 2.0 μg/m3 (8) 32.0
 
May 31, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 3.2 μg/m3 (13) 31.0
 
May 31, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 5.3 μg/m3 (22) 29.0
 
May 31, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 5.6 μg/m3 (23) 28.0
 
May 31, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 2.1 μg/m3 (9) 28.0
 
May 31, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 1.4 μg/m3 (6) 28.0
 
May 31, 2020, noon N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 2.8 μg/m3 (12) 27.0
 
May 31, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
May 31, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 3.0 μg/m3 (12) 22.0
 
May 31, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 1.4 μg/m3 (6) 18.0
 
May 31, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 5.5 μg/m3 (23) 23.0
 
May 31, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 10.0 μg/m3 (42) 42.0
 
May 31, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 14.2 μg/m3 (55) 55.0
 
May 31, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 13.6 μg/m3 (53) 53.0
 
May 31, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 10.4 μg/m3 (43) 43.0
 
May 31, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 9.9 μg/m3 (41) 41.0
 
May 31, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 11.5 μg/m3 (48) 48.0
 
May 31, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 5.0 μg/m3 (21) 22.0
 
May 31, 2020, midnight N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 5.3 μg/m3 (22) 24.0
 
May 30, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 2.8 μg/m3 (12) 25.0
 
May 30, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 3.0 μg/m3 (12) 23.0
 
May 30, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 2.6 μg/m3 (11) 28.0
 
May 30, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 2.5 μg/m3 (10) 28.0