ID: 2732

AQSQID: CC0050129

Site Name: RiviŠRe-Des-Prairies

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

Updated: May 25, 2022, 5:28 a.m.

Location: Montréal (St François), N/A

Reporting: True, Located: True

Current AQI: 40.0

Montréal (St François) N/A, CA: 45.651722, -73.573896

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 25, 2022, 3 a.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 13.0 ppb (13) 0.24 ppb (3) N/A 9.4 μg/m3 (40) 40.0
 
May 25, 2022, 2 a.m. N/A N/A N/A 23.0 ppb (22) N/A N/A 16.0 ppb (15) 0.21 ppb (3) N/A 8.1 μg/m3 (34) 34.0
 
May 25, 2022, 1 a.m. N/A N/A N/A 11.0 ppb (11) N/A N/A 31.0 ppb (29) 0.16 ppb (3) N/A 4.4 μg/m3 (19) 29.0
 
May 25, 2022, midnight N/A N/A N/A 3.0 ppb (3) N/A N/A 42.0 ppb (39) 0.13 ppb (2) N/A 1.9 μg/m3 (8) 39.0
 
May 24, 2022, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 45.0 ppb (42) 0.12 ppb (2) N/A 1.2 μg/m3 (5) 42.0
 
May 24, 2022, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 45.0 ppb (42) 0.13 ppb (2) N/A 1.4 μg/m3 (6) 42.0
 
May 24, 2022, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 45.0 ppb (42) 0.13 ppb (2) N/A 1.7 μg/m3 (8) 42.0
 
May 24, 2022, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) 0.12 ppb (2) N/A 1.7 μg/m3 (8) 41.0
 
May 24, 2022, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) 0.12 ppb (2) N/A 1.6 μg/m3 (7) 39.0
 
May 24, 2022, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.12 ppb (2) N/A 1.4 μg/m3 (6) 38.0
 
May 24, 2022, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) 0.12 ppb (2) N/A 1.5 μg/m3 (7) 37.0
 
May 24, 2022, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.11 ppb (2) N/A 1.3 μg/m3 (6) 35.0
 
May 24, 2022, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 33.0 ppb (31) 0.11 ppb (2) N/A 1.0 μg/m3 (5) 31.0
 
May 24, 2022, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) 0.12 ppb (2) N/A 1.2 μg/m3 (5) 26.0
 
May 24, 2022, 1 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 18.0 ppb (17) 0.16 ppb (3) N/A 2.7 μg/m3 (12) 17.0
 
May 24, 2022, noon N/A N/A N/A 5.0 ppb (5) N/A N/A 12.0 ppb (12) 0.22 ppb (3) N/A 4.2 μg/m3 (18) 18.0
 
May 24, 2022, 10 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 7.0 ppb (7) 0.19 ppb (3) N/A 2.9 μg/m3 (13) 13.0
 
May 24, 2022, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 6.0 ppb (6) 0.2 ppb (3) N/A 3.1 μg/m3 (13) 13.0
 
May 24, 2022, 8 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 6.0 ppb (6) 0.18 ppb (3) N/A 3.2 μg/m3 (14) 14.0
 
May 24, 2022, 6 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 3.0 ppb (3) 0.24 ppb (3) N/A 6.2 μg/m3 (26) 26.0
 
May 24, 2022, 5 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 7.0 ppb (7) 0.22 ppb (3) N/A 5.3 μg/m3 (23) 23.0
 
May 24, 2022, 5 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 7.0 ppb (7) 0.22 ppb (3) N/A 5.3 μg/m3 (23) 23.0
 
May 24, 2022, 4 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 12.0 ppb (12) 0.21 ppb (3) N/A 6.1 μg/m3 (26) 26.0
 
May 24, 2022, 4 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 12.0 ppb (12) 0.21 ppb (3) N/A 6.1 μg/m3 (26) 26.0
 
May 24, 2022, 3 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 11.0 ppb (11) 0.24 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
May 24, 2022, 3 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 11.0 ppb (11) 0.24 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
May 24, 2022, 2 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 19.0 ppb (18) 0.21 ppb (3) N/A 10.6 μg/m3 (45) 45.0
 
May 24, 2022, 2 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 19.0 ppb (18) 0.21 ppb (3) N/A 10.6 μg/m3 (45) 45.0
 
May 24, 2022, 1 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 22.0 ppb (21) 0.18 ppb (3) N/A 2.7 μg/m3 (12) 21.0
 
May 24, 2022, 1 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 22.0 ppb (21) 0.18 ppb (3) N/A 2.7 μg/m3 (12) 21.0
 
May 24, 2022, midnight N/A N/A N/A 2.0 ppb (2) N/A N/A 26.0 ppb (25) 0.15 ppb (2) N/A 2.1 μg/m3 (9) 25.0
 
May 24, 2022, midnight N/A N/A N/A 2.0 ppb (2) N/A N/A 26.0 ppb (25) 0.15 ppb (2) N/A 2.1 μg/m3 (9) 25.0
 
May 23, 2022, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) 0.14 ppb (2) N/A 1.5 μg/m3 (7) 26.0
 
May 23, 2022, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) 0.14 ppb (2) N/A 1.5 μg/m3 (7) 26.0
 
May 23, 2022, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 28.0 ppb (26) 0.13 ppb (2) N/A 1.0 μg/m3 (5) 26.0
 
May 23, 2022, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 29.0 ppb (27) 0.13 ppb (2) N/A 0.8 μg/m3 (4) 27.0
 
May 23, 2022, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 29.0 ppb (27) 0.15 ppb (2) N/A 1.7 μg/m3 (8) 27.0
 
May 23, 2022, 3 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 28.0 ppb (26) 0.12 ppb (2) N/A 0.4 μg/m3 (2) 26.0
 
May 23, 2022, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 27.0 ppb (25) 0.11 ppb (2) N/A 0.4 μg/m3 (2) 25.0
 
May 23, 2022, 11 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 21.0 ppb (20) 0.11 ppb (2) N/A 0.2 μg/m3 (1) 20.0
 
May 23, 2022, 10 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 20.0 ppb (19) 0.12 ppb (2) N/A 0.2 μg/m3 (1) 19.0
 
May 23, 2022, 10 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 20.0 ppb (19) 0.12 ppb (2) N/A 0.2 μg/m3 (1) 19.0
 
May 23, 2022, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 22.0 ppb (21) 0.11 ppb (2) N/A 0.1 μg/m3 (1) 21.0
 
May 23, 2022, 3 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 23.0 ppb (22) 0.12 ppb (2) N/A 1.8 μg/m3 (8) 22.0
 
May 23, 2022, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 23.0 ppb (22) 0.14 ppb (2) N/A 1.8 μg/m3 (8) 22.0
 
May 23, 2022, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 19.0 ppb (18) 0.14 ppb (2) N/A 2.1 μg/m3 (9) 18.0
 
May 23, 2022, midnight N/A N/A N/A 1.0 ppb (1) N/A N/A 21.0 ppb (20) 0.15 ppb (2) N/A 2.0 μg/m3 (9) 20.0
 
May 22, 2022, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 25.0 ppb (24) 0.14 ppb (2) N/A 2.1 μg/m3 (9) 24.0
 
May 22, 2022, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 29.0 ppb (27) 0.16 ppb (3) N/A 2.5 μg/m3 (11) 27.0
 
May 22, 2022, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 32.0 ppb (30) 0.15 ppb (2) N/A 3.8 μg/m3 (16) 30.0
 
May 22, 2022, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) 0.17 ppb (3) N/A 5.2 μg/m3 (22) 34.0
 
May 22, 2022, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 47.0 ppb (44) 0.16 ppb (3) N/A 5.7 μg/m3 (24) 44.0
 
May 22, 2022, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 49.0 ppb (46) 0.16 ppb (3) N/A 6.1 μg/m3 (26) 46.0
 
May 22, 2022, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 45.0 ppb (42) 0.16 ppb (3) N/A 6.0 μg/m3 (25) 42.0
 
May 22, 2022, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) 0.16 ppb (3) N/A 5.7 μg/m3 (24) 38.0
 
May 22, 2022, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) 0.16 ppb (3) N/A 5.9 μg/m3 (25) 34.0
 
May 22, 2022, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) 0.16 ppb (3) N/A 6.2 μg/m3 (26) 30.0
 
May 22, 2022, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) 0.16 ppb (3) N/A 6.2 μg/m3 (26) 30.0
 
May 22, 2022, noon N/A N/A N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) 0.16 ppb (3) N/A 6.0 μg/m3 (25) 26.0
 
May 22, 2022, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 24.0 ppb (23) 0.16 ppb (3) N/A 6.4 μg/m3 (27) 27.0
 
May 22, 2022, 10 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 21.0 ppb (20) 0.16 ppb (3) N/A 6.5 μg/m3 (28) 28.0
 
May 22, 2022, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 20.0 ppb (19) 0.17 ppb (3) N/A 5.9 μg/m3 (25) 25.0
 
May 22, 2022, 8 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 18.0 ppb (17) 0.18 ppb (3) N/A 6.1 μg/m3 (26) 26.0
 
May 22, 2022, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 18.0 ppb (17) 0.18 ppb (3) N/A 5.7 μg/m3 (24) 24.0
 
May 22, 2022, 5 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 19.0 ppb (18) 0.19 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
May 22, 2022, 3 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 23.0 ppb (22) 0.2 ppb (3) N/A 6.7 μg/m3 (28) 28.0
 
May 22, 2022, 2 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 27.0 ppb (25) 0.18 ppb (3) N/A 6.6 μg/m3 (28) 28.0
 
May 22, 2022, 1 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) 0.16 ppb (3) N/A 6.1 μg/m3 (26) 31.0
 
May 22, 2022, midnight N/A N/A N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) 0.15 ppb (2) N/A 6.1 μg/m3 (26) 35.0
 
May 21, 2022, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) 0.14 ppb (2) N/A 7.2 μg/m3 (31) 38.0
 
May 21, 2022, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) 0.15 ppb (2) N/A 8.1 μg/m3 (34) 38.0
 
May 21, 2022, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 47.0 ppb (44) 0.16 ppb (3) N/A 14.4 μg/m3 (56) 56.0
 
May 21, 2022, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 54.0 ppb (50) 0.18 ppb (3) N/A 15.1 μg/m3 (58) 58.0
 
May 21, 2022, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 54.0 ppb (50) 0.19 ppb (3) N/A 11.6 μg/m3 (49) 50.0
 
May 21, 2022, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 51.0 ppb (48) 0.19 ppb (3) N/A 11.6 μg/m3 (49) 49.0
 
May 21, 2022, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 51.0 ppb (48) 0.19 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
May 21, 2022, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 49.0 ppb (46) 0.2 ppb (3) N/A 12.1 μg/m3 (51) 51.0
 
May 21, 2022, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) 0.2 ppb (3) N/A 11.4 μg/m3 (48) 48.0
 
May 21, 2022, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) 0.23 ppb (3) N/A 10.9 μg/m3 (46) 46.0
 
May 21, 2022, 1 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) 0.21 ppb (3) N/A 9.5 μg/m3 (40) 40.0
 
May 21, 2022, 1 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) 0.21 ppb (3) N/A 9.5 μg/m3 (40) 40.0
 
May 21, 2022, noon N/A N/A N/A 10.0 ppb (10) N/A N/A 23.0 ppb (22) 0.21 ppb (3) N/A 8.8 μg/m3 (37) 37.0
 
May 21, 2022, 10 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 28.0 ppb (26) 0.19 ppb (3) N/A 8.4 μg/m3 (36) 36.0
 
May 21, 2022, 9 a.m. N/A N/A N/A 12.0 ppb (12) N/A N/A 27.0 ppb (25) 0.18 ppb (3) N/A 8.8 μg/m3 (37) 37.0
 
May 21, 2022, 8 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 33.0 ppb (31) 0.18 ppb (3) N/A 7.9 μg/m3 (33) 33.0
 
May 21, 2022, 4 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 44.0 ppb (41) 0.19 ppb (3) N/A 6.9 μg/m3 (29) 41.0
 
May 21, 2022, 3 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 46.0 ppb (43) 0.19 ppb (3) N/A 6.2 μg/m3 (26) 43.0
 
May 21, 2022, 2 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 45.0 ppb (42) 0.18 ppb (3) N/A 6.0 μg/m3 (25) 42.0
 
May 21, 2022, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 44.0 ppb (41) 0.18 ppb (3) N/A 5.4 μg/m3 (23) 41.0
 
May 21, 2022, midnight N/A N/A N/A 9.0 ppb (9) N/A N/A 39.0 ppb (37) 0.19 ppb (3) N/A 4.8 μg/m3 (20) 37.0
 
May 20, 2022, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 41.0 ppb (38) 0.18 ppb (3) N/A 3.6 μg/m3 (16) 38.0
 
May 20, 2022, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) 0.18 ppb (3) N/A 3.0 μg/m3 (13) 40.0
 
May 20, 2022, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 42.0 ppb (39) 0.17 ppb (3) N/A 3.1 μg/m3 (13) 39.0
 
May 20, 2022, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 50.0 ppb (47) 0.15 ppb (2) N/A 4.1 μg/m3 (18) 47.0
 
May 20, 2022, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 48.0 ppb (45) 0.16 ppb (3) N/A 3.7 μg/m3 (16) 45.0
 
May 20, 2022, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) 0.15 ppb (2) N/A 3.1 μg/m3 (13) 40.0
 
May 20, 2022, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) 0.15 ppb (2) N/A 2.5 μg/m3 (11) 36.0
 
May 20, 2022, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) 0.15 ppb (2) N/A 2.2 μg/m3 (10) 30.0
 
May 20, 2022, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 28.0 ppb (26) 0.15 ppb (2) N/A 2.6 μg/m3 (11) 26.0
 
May 20, 2022, 1 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 24.0 ppb (23) 0.16 ppb (3) N/A 2.8 μg/m3 (12) 23.0
 
May 20, 2022, 11 a.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 8.0 ppb (8) 0.22 ppb (3) N/A 12.9 μg/m3 (53) 53.0
 
May 20, 2022, 10 a.m. N/A N/A N/A 12.0 ppb (12) N/A N/A 3.0 ppb (3) 0.26 ppb (4) N/A 14.4 μg/m3 (56) 56.0
 
May 20, 2022, 9 a.m. N/A N/A N/A 11.0 ppb (11) N/A N/A 4.0 ppb (4) 0.2 ppb (3) N/A 10.3 μg/m3 (43) 43.0
 
May 20, 2022, 8 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 10.0 ppb (10) 0.17 ppb (3) N/A 6.9 μg/m3 (29) 29.0
 
May 20, 2022, 7 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 12.0 ppb (12) 0.17 ppb (3) N/A 7.2 μg/m3 (31) 31.0
 
May 20, 2022, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 13.0 ppb (13) 0.18 ppb (3) N/A 5.8 μg/m3 (25) 25.0
 
May 20, 2022, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 18.0 ppb (17) 0.16 ppb (3) N/A 5.6 μg/m3 (24) 24.0
 
May 20, 2022, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 24.0 ppb (23) 0.16 ppb (3) N/A 5.1 μg/m3 (22) 23.0
 
May 20, 2022, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 27.0 ppb (25) 0.16 ppb (3) N/A 5.0 μg/m3 (21) 25.0
 
May 20, 2022, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 25.0 ppb (24) 0.17 ppb (3) N/A 5.0 μg/m3 (21) 24.0
 
May 20, 2022, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 25.0 ppb (24) 0.17 ppb (3) N/A 5.6 μg/m3 (24) 24.0
 
May 20, 2022, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 25.0 ppb (24) 0.17 ppb (3) N/A 5.6 μg/m3 (24) 24.0
 
May 20, 2022, midnight N/A N/A N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) 0.17 ppb (3) N/A 4.9 μg/m3 (21) 27.0
 
May 20, 2022, midnight N/A N/A N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) 0.17 ppb (3) N/A 4.9 μg/m3 (21) 27.0
 
May 19, 2022, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 32.0 ppb (30) 0.17 ppb (3) N/A 5.5 μg/m3 (23) 30.0
 
May 19, 2022, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) 0.18 ppb (3) N/A 5.6 μg/m3 (24) 31.0
 
May 19, 2022, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) 0.17 ppb (3) N/A 5.1 μg/m3 (22) 31.0
 
May 19, 2022, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 37.0 ppb (35) 0.16 ppb (3) N/A 3.1 μg/m3 (13) 35.0
 
May 19, 2022, 7 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 36.0 ppb (34) 0.17 ppb (3) N/A 3.9 μg/m3 (17) 34.0
 
May 19, 2022, 7 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 36.0 ppb (34) 0.17 ppb (3) N/A 3.9 μg/m3 (17) 34.0
 
May 19, 2022, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) 0.16 ppb (3) N/A 4.5 μg/m3 (19) 31.0
 
May 19, 2022, 2 p.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 25.0 ppb (24) 0.21 ppb (3) N/A 7.2 μg/m3 (31) 31.0
 
May 19, 2022, 6 a.m. N/A N/A N/A 17.0 ppb (17) N/A N/A 12.0 ppb (12) 0.17 ppb (3) N/A 6.1 μg/m3 (26) 26.0
 
May 19, 2022, 5 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 25.0 ppb (24) 0.16 ppb (3) N/A 4.9 μg/m3 (21) 24.0
 
May 19, 2022, 4 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 28.0 ppb (26) 0.17 ppb (3) N/A 13.2 μg/m3 (54) 54.0
 
May 19, 2022, 3 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 28.0 ppb (26) 0.17 ppb (3) N/A 3.0 μg/m3 (13) 26.0
 
May 19, 2022, 2 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 30.0 ppb (28) 0.17 ppb (3) N/A 2.9 μg/m3 (13) 28.0
 
May 19, 2022, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) 0.16 ppb (3) N/A 3.2 μg/m3 (14) 34.0
 
May 18, 2022, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) 0.14 ppb (2) N/A 2.4 μg/m3 (10) 39.0
 
May 18, 2022, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) 0.14 ppb (2) N/A 2.4 μg/m3 (10) 38.0
 
May 18, 2022, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) 0.13 ppb (2) N/A 2.0 μg/m3 (9) 38.0
 
May 18, 2022, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) 0.13 ppb (2) N/A 2.1 μg/m3 (9) 38.0
 
May 18, 2022, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) 0.13 ppb (2) N/A 2.1 μg/m3 (9) 38.0
 
May 18, 2022, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.13 ppb (2) N/A 2.6 μg/m3 (11) 38.0
 
May 18, 2022, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.13 ppb (2) N/A 2.8 μg/m3 (12) 38.0
 
May 18, 2022, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.13 ppb (2) N/A 2.8 μg/m3 (12) 38.0
 
May 18, 2022, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.12 ppb (2) N/A 2.3 μg/m3 (10) 38.0
 
May 18, 2022, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.12 ppb (2) N/A 2.3 μg/m3 (10) 38.0
 
May 18, 2022, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) 0.12 ppb (2) N/A 2.1 μg/m3 (9) 37.0
 
May 18, 2022, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) 0.12 ppb (2) N/A 2.1 μg/m3 (9) 37.0
 
May 18, 2022, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.13 ppb (2) N/A 2.0 μg/m3 (9) 36.0
 
May 18, 2022, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.13 ppb (2) N/A 2.0 μg/m3 (9) 36.0
 
May 18, 2022, noon N/A N/A N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.12 ppb (2) N/A 1.9 μg/m3 (8) 35.0
 
May 18, 2022, noon N/A N/A N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.12 ppb (2) N/A 1.9 μg/m3 (8) 35.0
 
May 18, 2022, 11 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) 0.13 ppb (2) N/A 2.0 μg/m3 (9) 33.0
 
May 18, 2022, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) 0.13 ppb (2) N/A 2.5 μg/m3 (11) 30.0
 
May 18, 2022, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) 0.12 ppb (2) N/A 3.0 μg/m3 (13) 41.0
 
May 18, 2022, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.12 ppb (2) N/A 1.4 μg/m3 (6) 35.0
 
May 18, 2022, midnight N/A N/A N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.12 ppb (2) N/A 1.9 μg/m3 (8) 35.0
 
May 17, 2022, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.11 ppb (2) N/A 1.1 μg/m3 (5) 35.0
 
May 17, 2022, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 29.0 ppb (27) 0.12 ppb (2) N/A 1.4 μg/m3 (6) 27.0
 
May 17, 2022, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 18.0 ppb (17) 0.12 ppb (2) N/A 2.0 μg/m3 (9) 17.0
 
May 17, 2022, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 18.0 ppb (17) 0.12 ppb (2) N/A 2.0 μg/m3 (9) 17.0
 
May 17, 2022, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 20.0 ppb (19) 0.12 ppb (2) N/A 2.9 μg/m3 (13) 19.0
 
May 17, 2022, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 24.0 ppb (23) 0.13 ppb (2) N/A 2.8 μg/m3 (12) 23.0
 
May 17, 2022, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 24.0 ppb (23) 0.13 ppb (2) N/A 2.8 μg/m3 (12) 23.0
 
May 17, 2022, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 28.0 ppb (26) 0.13 ppb (2) N/A 1.8 μg/m3 (8) 26.0
 
May 17, 2022, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 28.0 ppb (26) 0.13 ppb (2) N/A 1.8 μg/m3 (8) 26.0
 
May 17, 2022, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 27.0 ppb (25) 0.12 ppb (2) N/A 1.5 μg/m3 (7) 25.0
 
May 17, 2022, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 27.0 ppb (25) 0.12 ppb (2) N/A 1.5 μg/m3 (7) 25.0
 
May 17, 2022, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 23.0 ppb (22) 0.14 ppb (2) N/A 2.9 μg/m3 (13) 22.0
 
May 17, 2022, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 23.0 ppb (22) 0.14 ppb (2) N/A 2.9 μg/m3 (13) 22.0
 
May 17, 2022, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 22.0 ppb (21) 0.14 ppb (2) N/A 3.2 μg/m3 (14) 21.0
 
May 17, 2022, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 22.0 ppb (21) 0.14 ppb (2) N/A 3.2 μg/m3 (14) 21.0
 
May 17, 2022, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 25.0 ppb (24) 0.14 ppb (2) N/A 3.2 μg/m3 (14) 24.0
 
May 17, 2022, noon N/A N/A N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) 0.14 ppb (2) N/A 3.3 μg/m3 (14) 26.0
 
May 17, 2022, noon N/A N/A N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) 0.14 ppb (2) N/A 3.3 μg/m3 (14) 26.0
 
May 17, 2022, 10 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) 0.13 ppb (2) N/A 2.1 μg/m3 (9) 30.0