AQSQID: 040134005

Site Name: Tempe

Location: Tempe (University Park), AZ

Reporting: True, Located: True

Current AQI: 19.0

Tempe (University Park) AZ, US: 33.4124, -111.9347

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 3, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 19.0 μg/m3 (17) 4.4 μg/m3 (18) 19.0
 
April 3, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 28.0 μg/m3 (25) 6.1 μg/m3 (25) 25.0
 
April 3, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 23.0 μg/m3 (21) 5.4 μg/m3 (23) 23.0
 
April 3, 2020, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 17.0 μg/m3 (15) 4.5 μg/m3 (19) 19.0
 
April 3, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 21.0 μg/m3 (19) 5.9 μg/m3 (25) 25.0
 
April 3, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 12.0 μg/m3 (11) 5.4 μg/m3 (23) 23.0
 
April 3, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 15.0 μg/m3 (14) 6.3 μg/m3 (26) 26.0
 
April 3, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 14.0 μg/m3 (13) 5.2 μg/m3 (22) 22.0
 
April 3, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 9.0 μg/m3 (8) 3.1 μg/m3 (13) 16.0
 
April 3, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 9.0 μg/m3 (8) 3.5 μg/m3 (15) 23.0
 
April 3, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 10.0 μg/m3 (9) 3.9 μg/m3 (16) 28.0
 
April 3, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 11.0 μg/m3 (10) 3.3 μg/m3 (14) 20.0
 
April 3, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 13.0 μg/m3 (12) 4.5 μg/m3 (19) 28.0
 
April 3, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 11.0 μg/m3 (10) 3.5 μg/m3 (15) 31.0
 
April 3, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 8.0 μg/m3 (7) 1.6 μg/m3 (7) 35.0
 
April 3, 2020, midnight N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 10.0 μg/m3 (9) 1.6 μg/m3 (7) 37.0
 
April 2, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 16.0 μg/m3 (15) 1.9 μg/m3 (8) 37.0
 
April 2, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 25.0 μg/m3 (23) 1.7 μg/m3 (7) 37.0
 
April 2, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 20.0 μg/m3 (18) 2.9 μg/m3 (12) 37.0
 
April 2, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 18.0 μg/m3 (16) 3.6 μg/m3 (15) 37.0
 
April 2, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 14.0 μg/m3 (13) 4.1 μg/m3 (17) 39.0
 
April 2, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 13.0 μg/m3 (12) 3.5 μg/m3 (15) 37.0
 
April 2, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 13.0 μg/m3 (12) 3.0 μg/m3 (12) 32.0
 
April 2, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 16.0 μg/m3 (15) 4.3 μg/m3 (18) 31.0
 
April 2, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 24.0 μg/m3 (22) 6.3 μg/m3 (26) 26.0
 
April 2, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 28.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
April 2, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 13.0 μg/m3 (12) 3.4 μg/m3 (14) 14.0
 
April 2, 2020, noon N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 11.0 μg/m3 (10) 3.8 μg/m3 (16) 16.0
 
April 2, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 13.0 μg/m3 (12) 4.7 μg/m3 (20) 20.0
 
April 2, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 18.0 μg/m3 (16) 7.0 μg/m3 (29) 29.0
 
April 2, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 21.0 μg/m3 (19) 9.2 μg/m3 (38) 38.0
 
April 2, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 19.0 μg/m3 (17) 8.0 μg/m3 (33) 33.0
 
April 2, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 20.0 μg/m3 (18) 9.8 μg/m3 (41) 41.0
 
April 2, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 18.0 μg/m3 (16) 9.8 μg/m3 (41) 41.0
 
April 2, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 21.0 μg/m3 (19) 12.7 μg/m3 (51) 51.0
 
April 2, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 19.0 μg/m3 (17) 10.9 μg/m3 (45) 45.0
 
April 2, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 12.0 μg/m3 (11) 5.3 μg/m3 (22) 22.0
 
April 2, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 10.0 μg/m3 (9) 2.9 μg/m3 (12) 31.0
 
April 2, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 9.0 μg/m3 (8) 2.5 μg/m3 (10) 36.0
 
April 2, 2020, midnight N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 9.0 μg/m3 (8) 2.4 μg/m3 (10) 39.0
 
April 1, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 11.0 μg/m3 (10) 3.7 μg/m3 (15) 43.0
 
April 1, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A 14.0 μg/m3 (13) 4.7 μg/m3 (20) 45.0
 
April 1, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A 12.0 μg/m3 (11) 3.7 μg/m3 (15) 48.0
 
April 1, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A 14.0 μg/m3 (13) 4.4 μg/m3 (18) 47.0
 
April 1, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A 17.0 μg/m3 (15) 5.0 μg/m3 (21) 44.0
 
April 1, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 19.0 μg/m3 (17) 6.1 μg/m3 (25) 42.0
 
April 1, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 22.0 μg/m3 (20) 5.1 μg/m3 (21) 34.0
 
April 1, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 30.0 μg/m3 (27) 8.8 μg/m3 (37) 37.0
 
April 1, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 36.0 μg/m3 (33) 9.1 μg/m3 (38) 38.0
 
April 1, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 26.0 μg/m3 (24) 8.5 μg/m3 (35) 35.0
 
April 1, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 25.0 μg/m3 (23) 9.2 μg/m3 (38) 38.0
 
April 1, 2020, noon N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 21.0 μg/m3 (19) 7.9 μg/m3 (33) 33.0
 
April 1, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 21.0 μg/m3 (19) 10.5 μg/m3 (44) 44.0
 
April 1, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 22.0 μg/m3 (20) 10.8 μg/m3 (45) 45.0
 
April 1, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 21.0 μg/m3 (19) 10.1 μg/m3 (42) 42.0
 
April 1, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 14.0 μg/m3 (13) 5.4 μg/m3 (23) 23.0
 
April 1, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 12.0 μg/m3 (11) 5.5 μg/m3 (23) 23.0
 
April 1, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 11.0 μg/m3 (10) 4.9 μg/m3 (20) 20.0
 
April 1, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 14.0 μg/m3 (13) 5.3 μg/m3 (22) 22.0
 
April 1, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 18.0 μg/m3 (16) 5.6 μg/m3 (23) 23.0
 
April 1, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 23.0 μg/m3 (21) 6.7 μg/m3 (28) 28.0
 
April 1, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 27.0 μg/m3 (25) 6.9 μg/m3 (29) 29.0
 
April 1, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 30.0 μg/m3 (27) 7.1 μg/m3 (30) 30.0
 
April 1, 2020, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 23.0 μg/m3 (21) 6.2 μg/m3 (26) 35.0
 
March 31, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 15.0 μg/m3 (14) 3.8 μg/m3 (16) 42.0
 
March 31, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 13.0 μg/m3 (12) 3.9 μg/m3 (16) 42.0
 
March 31, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 8.0 μg/m3 (7) 1.6 μg/m3 (7) 40.0
 
March 31, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 10.0 μg/m3 (9) 2.7 μg/m3 (11) 41.0
 
March 31, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 13.0 μg/m3 (12) 4.5 μg/m3 (19) 37.0
 
March 31, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 22.0 μg/m3 (20) 10.7 μg/m3 (45) 45.0
 
March 31, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 23.0 μg/m3 (21) 12.7 μg/m3 (51) 51.0
 
March 31, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 16.0 μg/m3 (15) 6.1 μg/m3 (25) 25.0
 
March 31, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 17.0 μg/m3 (15) 5.3 μg/m3 (22) 22.0
 
March 31, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 22.0 μg/m3 (20) 3.9 μg/m3 (16) 20.0
 
March 31, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 20.0 μg/m3 (18) 6.9 μg/m3 (29) 29.0
 
March 31, 2020, noon N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 11.0 μg/m3 (10) 4.1 μg/m3 (17) 17.0
 
March 31, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 10.0 μg/m3 (9) 5.1 μg/m3 (21) 21.0
 
March 31, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 12.0 μg/m3 (11) 5.5 μg/m3 (23) 23.0
 
March 31, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 12.0 μg/m3 (11) 4.3 μg/m3 (18) 22.0
 
March 31, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 19.0 μg/m3 (17) 6.7 μg/m3 (28) 28.0
 
March 31, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 18.0 μg/m3 (16) 7.3 μg/m3 (30) 30.0
 
March 31, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 16.0 μg/m3 (15) 6.3 μg/m3 (26) 26.0
 
March 31, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 28.0 μg/m3 (25) 7.1 μg/m3 (30) 30.0
 
March 31, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 20.0 μg/m3 (18) 6.7 μg/m3 (28) 28.0
 
March 31, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
March 31, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 12.0 μg/m3 (11) 4.2 μg/m3 (18) 33.0
 
March 31, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 11.0 μg/m3 (10) 2.2 μg/m3 (9) 38.0
 
March 31, 2020, midnight N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 12.0 μg/m3 (11) 4.8 μg/m3 (20) 43.0
 
March 30, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A 10.0 μg/m3 (9) 3.7 μg/m3 (15) 44.0
 
March 30, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A 11.0 μg/m3 (10) 3.7 μg/m3 (15) 45.0
 
March 30, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 14.0 μg/m3 (13) 3.9 μg/m3 (16) 42.0
 
March 30, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 26.0 μg/m3 (24) 5.5 μg/m3 (23) 40.0
 
March 30, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 24.0 μg/m3 (22) 5.7 μg/m3 (24) 40.0
 
March 30, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 18.0 μg/m3 (16) 6.8 μg/m3 (28) 34.0
 
March 30, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
March 30, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
March 30, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 7.3 μg/m3 (30) 30.0
 
March 30, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 23.0 μg/m3 (21) 6.4 μg/m3 (27) 27.0
 
March 30, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 18.0 μg/m3 (16) 4.6 μg/m3 (19) 19.0
 
March 30, 2020, noon N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 13.0 μg/m3 (12) 3.3 μg/m3 (14) 15.0
 
March 30, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 11.0 μg/m3 (10) 3.7 μg/m3 (15) 17.0
 
March 30, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 9.0 μg/m3 (8) 2.8 μg/m3 (12) 21.0
 
March 30, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 5.0 μg/m3 (5) 2.3 μg/m3 (10) 27.0
 
March 30, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 6.0 μg/m3 (5) 3.2 μg/m3 (13) 33.0
 
March 30, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 7.0 μg/m3 (6) 3.2 μg/m3 (13) 36.0
 
March 30, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 9.0 μg/m3 (8) 3.4 μg/m3 (14) 34.0
 
March 30, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 10.0 μg/m3 (9) 2.5 μg/m3 (10) 33.0
 
March 30, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 9.0 μg/m3 (8) 3.7 μg/m3 (15) 33.0
 
March 30, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 8.0 μg/m3 (7) 4.0 μg/m3 (17) 34.0
 
March 30, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 7.0 μg/m3 (6) 2.7 μg/m3 (11) 38.0
 
March 30, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 7.0 μg/m3 (6) 2.8 μg/m3 (12) 40.0
 
March 30, 2020, midnight N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 8.0 μg/m3 (7) 3.2 μg/m3 (13) 42.0
 
March 29, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A 8.0 μg/m3 (7) 4.1 μg/m3 (17) 45.0
 
March 29, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A 13.0 μg/m3 (12) 7.6 μg/m3 (32) 46.0
 
March 29, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A 10.0 μg/m3 (9) 5.9 μg/m3 (25) 45.0
 
March 29, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A 6.0 μg/m3 (5) 2.9 μg/m3 (12) 46.0
 
March 29, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A 7.0 μg/m3 (6) 4.2 μg/m3 (18) 45.0
 
March 29, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 9.0 μg/m3 (8) 4.7 μg/m3 (20) 42.0
 
March 29, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 10.0 μg/m3 (9) 4.9 μg/m3 (20) 35.0
 
March 29, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 8.0 μg/m3 (7) 3.7 μg/m3 (15) 30.0
 
March 29, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 6.0 μg/m3 (5) 2.8 μg/m3 (12) 28.0
 
March 29, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 5.0 μg/m3 (5) 1.9 μg/m3 (8) 25.0
 
March 29, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 7.0 μg/m3 (6) 4.2 μg/m3 (18) 22.0
 
March 29, 2020, noon N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 10.0 μg/m3 (9) 6.2 μg/m3 (26) 26.0
 
March 29, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
March 29, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 11.0 μg/m3 (10) 4.5 μg/m3 (19) 22.0
 
March 29, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 14.0 μg/m3 (13) 6.1 μg/m3 (25) 25.0
 
March 29, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 12.0 μg/m3 (11) 5.9 μg/m3 (25) 25.0
 
March 29, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 17.0 μg/m3 (15) 10.2 μg/m3 (42) 42.0
 
March 29, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 20.0 μg/m3 (18) 10.9 μg/m3 (45) 45.0
 
March 29, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 19.0 μg/m3 (17) 8.8 μg/m3 (37) 37.0
 
March 29, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 31.0 μg/m3 (28) 10.6 μg/m3 (44) 44.0
 
March 29, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 18.0 μg/m3 (16) 4.3 μg/m3 (18) 27.0
 
March 29, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 9.0 μg/m3 (8) 5.2 μg/m3 (22) 34.0
 
March 29, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 9.0 μg/m3 (8) 4.7 μg/m3 (20) 39.0
 
March 29, 2020, midnight N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 5.0 μg/m3 (5) 1.4 μg/m3 (6) 43.0
 
March 28, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 2.0 μg/m3 (2) 0.1 μg/m3 (0) 43.0
 
March 28, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 4.0 μg/m3 (4) 1.9 μg/m3 (8) 42.0
 
March 28, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 5.0 μg/m3 (5) 2.6 μg/m3 (11) 42.0
 
March 28, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 5.0 μg/m3 (5) 2.9 μg/m3 (12) 39.0
 
March 28, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 6.0 μg/m3 (5) 3.7 μg/m3 (15) 38.0
 
March 28, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 5.0 μg/m3 (5) 2.9 μg/m3 (12) 36.0
 
March 28, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 8.0 μg/m3 (7) 3.7 μg/m3 (15) 32.0
 
March 28, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 9.0 μg/m3 (8) 5.1 μg/m3 (21) 28.0
 
March 28, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 11.0 μg/m3 (10) 4.4 μg/m3 (18) 25.0
 
March 28, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 42.0 μg/m3 (38) 6.0 μg/m3 (25) 38.0
 
March 28, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 8.0 μg/m3 (7) 3.9 μg/m3 (16) 16.0
 
March 28, 2020, noon N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 8.0 μg/m3 (7) 4.3 μg/m3 (18) 18.0
 
March 28, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
March 28, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 17.0 μg/m3 (15) 9.9 μg/m3 (41) 41.0
 
March 28, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 16.0 μg/m3 (15) 12.9 μg/m3 (52) 52.0
 
March 28, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 18.0 μg/m3 (16) 14.2 μg/m3 (55) 55.0
 
March 28, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 43.0 μg/m3 (39) 13.3 μg/m3 (53) 53.0
 
March 28, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 53.0 μg/m3 (48) 10.8 μg/m3 (45) 48.0
 
March 28, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 21.0 μg/m3 (19) 6.3 μg/m3 (26) 26.0
 
March 28, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 9.0 μg/m3 (8) 5.2 μg/m3 (22) 22.0
 
March 28, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 7.0 μg/m3 (6) 3.1 μg/m3 (13) 29.0
 
March 28, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 7.0 μg/m3 (6) 2.9 μg/m3 (12) 35.0
 
March 28, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 9.0 μg/m3 (8) 2.2 μg/m3 (9) 37.0
 
March 28, 2020, midnight N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 13.0 μg/m3 (12) 4.6 μg/m3 (19) 38.0
 
March 27, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 6.0 μg/m3 (5) 1.4 μg/m3 (6) 38.0
 
March 27, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 8.0 μg/m3 (7) 1.1 μg/m3 (5) 38.0
 
March 27, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 13.0 μg/m3 (12) 4.2 μg/m3 (18) 38.0
 
March 27, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 11.0 μg/m3 (10) 2.5 μg/m3 (10) 38.0
 
March 27, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 9.0 μg/m3 (8) 2.8 μg/m3 (12) 38.0
 
March 27, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 10.0 μg/m3 (9) 2.7 μg/m3 (11) 36.0
 
March 27, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 9.0 μg/m3 (8) 2.6 μg/m3 (11) 33.0
 
March 27, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 8.0 μg/m3 (7) 1.1 μg/m3 (5) 32.0